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Pacific Journal of Science and Technology (PJST)
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To Search Archives, use the "Find" function <Ctr F> and type in the key word you are seeking. All articles are listed with key word references. Articles in print prior to 2004 were published under the name Greenwich Journal of Science and Technology.
Volume 23, Number 2 (November/December 2022)
Physics, Atmospheric Physics, and Health Physics
Ajiboye, T.K., M.O. Fabiyi, N. Mustapha, and S. Abdulkareem. 2022. “Development and Application of Clay and Granite Dust Blend as a Novel Insulating Material for Flat Plate Solar Collector”. Pacific Journal of Science and Technology. 23(2): 5-19. (Key words: renewable energy, solar collector, insulating material, clay, granite dust, thermal conductivity, thermal diffusivity)
pjst23_2_5.pdf
Mathematics and Statistics
Babando, K.A. 2022. “An Impact of Mathematical Modeling in Economic Growth in Nigeria”. Pacific Journal of Science and Technology. 23(2): 20-27.(Keywords: mathematical modeling, flowchart, graph, diagrams, exponential model)
pjst23_2_20.pdf
Ahmad, K.S., A.M. Auwal, Y. Bala, and H.A. Babando. 2022. “Mathematical Modeling for Understanding of Politics in the Presence of Violence: Contemporary Nigerian Politics in Focus”. Pacific Journal of Science and Technology. 23(2):28-40. (Keywords: mathematical model, politics, violence, equilibrium points, stability analysis, basic reproduction number, Nigeria)
pjst23_2_28.pdf
Information Technology and Communications
Tongo, N.I. and M.A. Ajayi. 2022. “Information Communication Technology (ICT) and Organizational Efficiency: A Study of Access Bank Plc”. Pacific Journal of Science and Technology. 23(2): 41-49. (Keywords: bank communication, efficiency, information communication technology, ICT, financial sector)
pjst23_2_41.pdf
Babando, K.A. and I.A. Bakari. 2022. “Distributed System for Population Analysis in Nigeria (National Population Commission)”. Pacific Journal of Science and Technology. 23(2): 50-65. (Key words: population, system, HTML, PHP, My SQL, National Population Commission)
pjst23_2_50.pdf
Management, Economics, Sociology, and Education
Enwezor, H.C. and N.M. Chukwunonye. 2022. “Employability Skills Applied by Principals for Managing Generated Revenue for Effective School Management in Anambra State, Nigeria”. Pacific Journal of Science and Technology. 23(2): 66-73. (Keywords: skills, principals, revenue, school management, COVID-19)
pjst23_2_66.pdf
Ugbada, J.B. 2022. “Impact of Domestic Debt on Economic Growth in Nigeria”. Pacific Journal of Science and Technology. 23(2): 74-82. (Key words: domestic debt, economic growth, gross domestic product, GDP, domestic debt servicing, auto regressive distributed lag, ARDL)
pjst23_2_74.pdf
Jayeola, O.E., M.E. Ogunbiyi, and A.O. Akinyele. 2022. “Perceived Risk and Insecurity of Road Transport Operations in Ado-Odo/Ota Local Government Area, Ogun State Nigeria”. Pacific Journal of Science and Technology. 23(2): 83-91. (Keywords: robbery, insecurity, accidents, kidnapping, Ado-Odo/Ota, Nigeria)
pjst23_2_83.pdf
Maranto, A.R. and J. Stern. 2022. “Historic Perspective on the use of Weapons-of-War and Military Technology by Private Citizens within the United States”. Pacific Journal of Science and Technology. 23(2): 92-11. (Keywords: artillery, cannon, military technology, private weapons ownership, gun control, privateering, military history, civil rights, US Supreme Court)
pjst23_2_92.pdf
Chemistry and Biochemistry
Njoku, I.S., M. Olaleye, and O.T. Asekun. 2022. “Comparative Study of Chemical Composition of the Essential Oils of Turnera diffusa (Josef August Schultes) Leaf and Stem”. Pacific Journal of Science and Technology. 23(2): 101-106. (Keywords: Turnera diffusa, damiana, essential oils, spathunelol, junenol, caryophyllene)
pjst23_2_101.pdf
Okon, I.E., I.B. Anweting, and N.A. Nwokem. 2022. “A Study on Heavy Metals Pollution Levels in Water and Sediment of River Kubani Dam, Zaria, Nigeria”. Pacific Journal of Science and Technology. 23(2): 107-116. (Key words: heavy metals, concentration, metal indices, water, sediment, pollution)
pjst23_2_107.pdf
Life Sciences and Medicine
Fayinminnu, O.O., O.F. Owolabi, and N.C. Isienyi. 2022. “Health Risk Assessment of Amaranthus Species Grown on Inorganic and Organic Fertilizers”. Pacific Journal of Science and Technology. 23(2): 117-131. (Key words: poultry droppings, NPK 15:15:15, Amaranthus species, heavy metals toxicity, health risk)
pjst23_2_117.pdf
Environmental Science and Ecology
Eze, M.O. and C.K. Ezugwu. 2022. “HydroStatistical Assessment of Anthropogenic Contamination of Groundwater in Nsukka Area, Enugu State Nigeria”. Pacific Journal of Science and Technology. 23(2): 132-144. (Keywords: perched aquifer, multivariate analysis, sewage contamination, Nsukka, hydrogeochemistry, contamination, heavy metals, environmental quality)
pjst23_2_132.pdf
Akomolafe, M.A., E.B. Oluwagbemi, and M.A. Mohammed. 2022. “Impact of Building Construction Activities on the Environment: A Case Study of Southwest, Nigeria”. Pacific Journal of Science and Technology. 23(2): 145- 153. (Key words: environmental impact, humidity, temperature, construction projects, building construction, materials)
pjst23_1_113.pdf
Geology, Geophysics, and Earth Science
Eze, M.O. 2022. “Hydrogeochemistry of Water Samples from some Boreholes in Umuahia North Local Government of Abia State”. Pacific Journal of Science and Technology. 23(2): 154-162. (Keywords: groundwater chemistry, host rock, hydrogeochemical analysis, drinking water, Piper trilinear diagram, Umuahia, Nigeria)
pjst23_2_154.pdf
Ajiboye, T.K., M.O. Fabiyi, N. Mustapha, and S. Abdulkareem. 2022. “Development and Application of Clay and Granite Dust Blend as a Novel Insulating Material for Flat Plate Solar Collector”. Pacific Journal of Science and Technology. 23(2): 5-19. (Key words: renewable energy, solar collector, insulating material, clay, granite dust, thermal conductivity, thermal diffusivity)
pjst23_2_5.pdf
Mathematics and Statistics
Babando, K.A. 2022. “An Impact of Mathematical Modeling in Economic Growth in Nigeria”. Pacific Journal of Science and Technology. 23(2): 20-27.(Keywords: mathematical modeling, flowchart, graph, diagrams, exponential model)
pjst23_2_20.pdf
Ahmad, K.S., A.M. Auwal, Y. Bala, and H.A. Babando. 2022. “Mathematical Modeling for Understanding of Politics in the Presence of Violence: Contemporary Nigerian Politics in Focus”. Pacific Journal of Science and Technology. 23(2):28-40. (Keywords: mathematical model, politics, violence, equilibrium points, stability analysis, basic reproduction number, Nigeria)
pjst23_2_28.pdf
Information Technology and Communications
Tongo, N.I. and M.A. Ajayi. 2022. “Information Communication Technology (ICT) and Organizational Efficiency: A Study of Access Bank Plc”. Pacific Journal of Science and Technology. 23(2): 41-49. (Keywords: bank communication, efficiency, information communication technology, ICT, financial sector)
pjst23_2_41.pdf
Babando, K.A. and I.A. Bakari. 2022. “Distributed System for Population Analysis in Nigeria (National Population Commission)”. Pacific Journal of Science and Technology. 23(2): 50-65. (Key words: population, system, HTML, PHP, My SQL, National Population Commission)
pjst23_2_50.pdf
Management, Economics, Sociology, and Education
Enwezor, H.C. and N.M. Chukwunonye. 2022. “Employability Skills Applied by Principals for Managing Generated Revenue for Effective School Management in Anambra State, Nigeria”. Pacific Journal of Science and Technology. 23(2): 66-73. (Keywords: skills, principals, revenue, school management, COVID-19)
pjst23_2_66.pdf
Ugbada, J.B. 2022. “Impact of Domestic Debt on Economic Growth in Nigeria”. Pacific Journal of Science and Technology. 23(2): 74-82. (Key words: domestic debt, economic growth, gross domestic product, GDP, domestic debt servicing, auto regressive distributed lag, ARDL)
pjst23_2_74.pdf
Jayeola, O.E., M.E. Ogunbiyi, and A.O. Akinyele. 2022. “Perceived Risk and Insecurity of Road Transport Operations in Ado-Odo/Ota Local Government Area, Ogun State Nigeria”. Pacific Journal of Science and Technology. 23(2): 83-91. (Keywords: robbery, insecurity, accidents, kidnapping, Ado-Odo/Ota, Nigeria)
pjst23_2_83.pdf
Maranto, A.R. and J. Stern. 2022. “Historic Perspective on the use of Weapons-of-War and Military Technology by Private Citizens within the United States”. Pacific Journal of Science and Technology. 23(2): 92-11. (Keywords: artillery, cannon, military technology, private weapons ownership, gun control, privateering, military history, civil rights, US Supreme Court)
pjst23_2_92.pdf
Chemistry and Biochemistry
Njoku, I.S., M. Olaleye, and O.T. Asekun. 2022. “Comparative Study of Chemical Composition of the Essential Oils of Turnera diffusa (Josef August Schultes) Leaf and Stem”. Pacific Journal of Science and Technology. 23(2): 101-106. (Keywords: Turnera diffusa, damiana, essential oils, spathunelol, junenol, caryophyllene)
pjst23_2_101.pdf
Okon, I.E., I.B. Anweting, and N.A. Nwokem. 2022. “A Study on Heavy Metals Pollution Levels in Water and Sediment of River Kubani Dam, Zaria, Nigeria”. Pacific Journal of Science and Technology. 23(2): 107-116. (Key words: heavy metals, concentration, metal indices, water, sediment, pollution)
pjst23_2_107.pdf
Life Sciences and Medicine
Fayinminnu, O.O., O.F. Owolabi, and N.C. Isienyi. 2022. “Health Risk Assessment of Amaranthus Species Grown on Inorganic and Organic Fertilizers”. Pacific Journal of Science and Technology. 23(2): 117-131. (Key words: poultry droppings, NPK 15:15:15, Amaranthus species, heavy metals toxicity, health risk)
pjst23_2_117.pdf
Environmental Science and Ecology
Eze, M.O. and C.K. Ezugwu. 2022. “HydroStatistical Assessment of Anthropogenic Contamination of Groundwater in Nsukka Area, Enugu State Nigeria”. Pacific Journal of Science and Technology. 23(2): 132-144. (Keywords: perched aquifer, multivariate analysis, sewage contamination, Nsukka, hydrogeochemistry, contamination, heavy metals, environmental quality)
pjst23_2_132.pdf
Akomolafe, M.A., E.B. Oluwagbemi, and M.A. Mohammed. 2022. “Impact of Building Construction Activities on the Environment: A Case Study of Southwest, Nigeria”. Pacific Journal of Science and Technology. 23(2): 145- 153. (Key words: environmental impact, humidity, temperature, construction projects, building construction, materials)
pjst23_1_113.pdf
Geology, Geophysics, and Earth Science
Eze, M.O. 2022. “Hydrogeochemistry of Water Samples from some Boreholes in Umuahia North Local Government of Abia State”. Pacific Journal of Science and Technology. 23(2): 154-162. (Keywords: groundwater chemistry, host rock, hydrogeochemical analysis, drinking water, Piper trilinear diagram, Umuahia, Nigeria)
pjst23_2_154.pdf
Volume 23, Number 1 (May/June 2022)
Physics, Atmospheric Physics, and Health Physics
Fernandes, J.L.P.R. 2022. “Simplified Method to Calculate the Radius of Particles”. Pacific Journal of Science and Technology. 23(1):5-10. (Keywords: particles, energy, potential, relativity, escape, quantum mechanics)
pjst23_1_5.pdf
Addendum published May 2023. https://www.akamai.university/uploads/1/2/7/7/127725089/pjst24_1_5.pdf
Ezeugo, J.C. 2022. “Probing into Cosmic Evolution Implication on Astronomical Distance Using Extragalactic Radio Sources”. Pacific Journal of Science and Technology. 23(1): 11-16. (Keywords: cosmic evolution, linear size, astronomical distance, luminosity, radio sources, quasars, dynamical evolution)
pjst23_1_11.pdf
Ezeugo, J.C. 2022. “Compact Steep Spectrum Sources – Subclass Diversity and Implication”. Pacific Journal of Science and Technology. 23(1): 17-21. (Keywords: linear size, luminosity, redshift, radio sources, quasars, galaxies, steep spectrum, epoch)
pjst23_1_17.pdf
Ezeugo, J.C. 2022. “Compact Steep Spectrum Sources: Jet Internal Pressure, Blackhole Power, and Ambient Density”. Pacific Journal of Science and Technology. 23(1): 22-27. (Keywords: radio jets, luminosity, linear size, radio sources, quasars, blackhole power)
pjst23_1_22.pdf
Ezeugo, J.C. 2022. “On Re-Acceleration Mechanism of the Radio Jets of Some Powerful Extragalactic Radio Sources”. Pacific Journal of Science and Technology. 23(1): 28-33. (Keywords: cosmic evolution, linear size, astronomical distance, luminosity, radio sources, quasars, dynamical evolution, re-acceleration)
pjst23_1_28.pdf
Mathematics and Statistics
Ishola, C.Y., O.A. Taiwo, K.A. Adedokun, and M.O. Ajisope. 2022. “Solution of Non-Linear Volterra Integral Equations by Chebyshev Collocation Approximation Method”. Pacific Journal of Science and Technology. 23(1): 34-39. (Keywords: collocation method, nonlinear integral equations, approximation method, linear Volterra integral equations)
pjst23_1_34.pdf
Victor, A.A., M.O. Etuk, A.O. Yekeen, O.E. Bello, and M.O. Ajisope. 2022. “Mathematical Model for the Control of Typhoid Fever with Effects of Early Treatment”. Pacific Journal of Science and Technology. 23(1): 40-46. (Keywords: transmission dynamics, typhoid fever, differential equations, transmission model, Next Generational Matrix, NGM)
pjst23_1_40.pdf
Information Technology and Communications
Nuruzzaman, M. 2022. “Semi Artificial Intelligent Graphics Design with Cylindrical Surface Test Case”. Pacific Journal of Science and Technology. 23(1): 47-56. (Keywords: artificial intelligence, AI, graphics design, visual art)
pjst23_1_47.pdf
Management, Economics, and Education
Olawoyin, R.O. and O.A. Adeniji. 2022. “Entrepreneurs’ Ratings of Finance Operational Strategies Needed for Improving the Performance of Small and Medium Enterprises in Oyo State”. Pacific Journal of Science and Technology. 23(1): 72-78. (Keywords: operational strategies, finance, marketing, SMEs, performance)
pjst23_1_72.pdf
Supina, D. and A. Mardon. 2022. “What is Wisdom?: A Philisophical and Metaphysical Examination”. Pacific Journal of Science and Technology. 23(1): 79-81. (Keywords: nature of wisdom, intelligence, metaphysics, scriptural tradition, cultural constructs)
pjst23_1_79.doc
Duong, M. and A. Mardon. 2022. “Elitism in Medicine: How the Pre-Medical Experience Fosters Elitism”. Pacific Journal of Science and Technology. 23(1): 82-84. (Keywords: medicine, pre-medical studies, medical school, elitism, diversity, institutional barriers, power structures)
pjst23_1_82.pdf
Chemistry and Biochemistry
Njoku, I.S. Nisar-Ur Rahman, A.M. Khan, I. Otunomo, O.T. Asekun, O.B. Familoni, and C. Ngozi. 2022. “Chemical Composition, Antioxidant, and Antibacterial Activity of the Essential Oil from the Leaves of Pinus sylvestris”. Pacific Journal of Science and Technology. 23(1): 85-93. (Keywords: essential oil, Pinus sylvestris, Scots pine, Scotch pine, Baltic pine, GC-MS, GC-FID, antibacterial, humulene, antioxidants)
pjst23_1_85.pdf
Life Sciences and Medicine
Aldada, A. and A. Mardon. 2022. “Effects of Electromagnetic Radiation on Honey Bees in the United States”. Pacific Journal of Science and Technology. 23(1): 94-97. (Keywords: honey bees, electromagnetic radiation, colony collapse syndrome, biological impacts, pollinators)
pjst23_1_94.pdf
Aldada, A. and A; Mardon. 2022. “Gender and Advertisement: Analysis of Aptamil Baby Formula’s Television Commercial”. Pacific Journal of Science and Technology. 23(1): 98- 100. (Keywords: gender stereotypes, advertisement influence on society, Aptamil baby formula)
pjst23_1_98.pdf
Environmental Science and Ecology
Madu, F.U., M.K. Duru, E.A. Sunday, P.C. Odika, S.U. Aglubuo, K.U. Akataobi, and A.C. Friday. 2022. “Air Quality Evaluation of Ugwuele Quarry Site, Uturu, Abia State, Nigeria”. Pacific Journal of Science and Technology. 23(1): 101-112. (Keywords: particulate matter, meteorological factors, noise, heavy metals)
pjst23_1_101.pdf
Kelle, H.I., E.C. Ogoko, J.K. Nduka, P.I. Udeozo, and M.C. Ubani. 2022. “Health Risk Assessment of Heavy Metal Exposures through Edible Clay from South-Eastern and South-Southern Nigeria”. Pacific Journal of Science and Technology. 23(1): 113-123. (Keywords: edible clays, heavy metals, public exposure, health risk assessment, southeast Nigeria)
pjst23_1_113.pdf
Aldada, A. and A. Mardon. 2022. “Effects of Tailpipe Emissions on Air Pollution in Canada”. Pacific Journal of Science and Technology. 23(1): 124-126. (Keywords: Canada air quality, tailpipe emissions, atmospheric pollution, smog, clean vehicle technology)
pjst23_1_124.pdf
Geology, Geophysics, and Earth Science
Aya, F.C., C.I. Okonkwo, and O.L. Alum. 2022. “Using the RUSLE and GIS Model to Predict Soil Degradation in Nguzu-Edda, Southeastern, Nigeria”. Pacific Journal of Science and Technology. 23(1): 127-140. (Keywords: RUSLE, Revised Universal Soil Loss Equation, Nguzu-Edda, GIS, Geographical Information System, soil degradation risk, gully erosion)
pjst23_1_127.pdf
Amos-Uhegbu, C. and D.N. Ndubueze. 2022. “Geophysical Investigation of the Groundwater Potentials in the Imo Shale Formation of Ehime Mbano Area, Southern Nigeria”. Pacific Journal of Science and Technology. 23(1): 141-149. (Keywords: groundwater, geoelectric, Imo Shale Formation, terrameter, vertical electrical sounding, VES)
pjst23_1_141.pdf
Fernandes, J.L.P.R. 2022. “Simplified Method to Calculate the Radius of Particles”. Pacific Journal of Science and Technology. 23(1):5-10. (Keywords: particles, energy, potential, relativity, escape, quantum mechanics)
pjst23_1_5.pdf
Addendum published May 2023. https://www.akamai.university/uploads/1/2/7/7/127725089/pjst24_1_5.pdf
Ezeugo, J.C. 2022. “Probing into Cosmic Evolution Implication on Astronomical Distance Using Extragalactic Radio Sources”. Pacific Journal of Science and Technology. 23(1): 11-16. (Keywords: cosmic evolution, linear size, astronomical distance, luminosity, radio sources, quasars, dynamical evolution)
pjst23_1_11.pdf
Ezeugo, J.C. 2022. “Compact Steep Spectrum Sources – Subclass Diversity and Implication”. Pacific Journal of Science and Technology. 23(1): 17-21. (Keywords: linear size, luminosity, redshift, radio sources, quasars, galaxies, steep spectrum, epoch)
pjst23_1_17.pdf
Ezeugo, J.C. 2022. “Compact Steep Spectrum Sources: Jet Internal Pressure, Blackhole Power, and Ambient Density”. Pacific Journal of Science and Technology. 23(1): 22-27. (Keywords: radio jets, luminosity, linear size, radio sources, quasars, blackhole power)
pjst23_1_22.pdf
Ezeugo, J.C. 2022. “On Re-Acceleration Mechanism of the Radio Jets of Some Powerful Extragalactic Radio Sources”. Pacific Journal of Science and Technology. 23(1): 28-33. (Keywords: cosmic evolution, linear size, astronomical distance, luminosity, radio sources, quasars, dynamical evolution, re-acceleration)
pjst23_1_28.pdf
Mathematics and Statistics
Ishola, C.Y., O.A. Taiwo, K.A. Adedokun, and M.O. Ajisope. 2022. “Solution of Non-Linear Volterra Integral Equations by Chebyshev Collocation Approximation Method”. Pacific Journal of Science and Technology. 23(1): 34-39. (Keywords: collocation method, nonlinear integral equations, approximation method, linear Volterra integral equations)
pjst23_1_34.pdf
Victor, A.A., M.O. Etuk, A.O. Yekeen, O.E. Bello, and M.O. Ajisope. 2022. “Mathematical Model for the Control of Typhoid Fever with Effects of Early Treatment”. Pacific Journal of Science and Technology. 23(1): 40-46. (Keywords: transmission dynamics, typhoid fever, differential equations, transmission model, Next Generational Matrix, NGM)
pjst23_1_40.pdf
Information Technology and Communications
Nuruzzaman, M. 2022. “Semi Artificial Intelligent Graphics Design with Cylindrical Surface Test Case”. Pacific Journal of Science and Technology. 23(1): 47-56. (Keywords: artificial intelligence, AI, graphics design, visual art)
pjst23_1_47.pdf
Management, Economics, and Education
Olawoyin, R.O. and O.A. Adeniji. 2022. “Entrepreneurs’ Ratings of Finance Operational Strategies Needed for Improving the Performance of Small and Medium Enterprises in Oyo State”. Pacific Journal of Science and Technology. 23(1): 72-78. (Keywords: operational strategies, finance, marketing, SMEs, performance)
pjst23_1_72.pdf
Supina, D. and A. Mardon. 2022. “What is Wisdom?: A Philisophical and Metaphysical Examination”. Pacific Journal of Science and Technology. 23(1): 79-81. (Keywords: nature of wisdom, intelligence, metaphysics, scriptural tradition, cultural constructs)
pjst23_1_79.doc
Duong, M. and A. Mardon. 2022. “Elitism in Medicine: How the Pre-Medical Experience Fosters Elitism”. Pacific Journal of Science and Technology. 23(1): 82-84. (Keywords: medicine, pre-medical studies, medical school, elitism, diversity, institutional barriers, power structures)
pjst23_1_82.pdf
Chemistry and Biochemistry
Njoku, I.S. Nisar-Ur Rahman, A.M. Khan, I. Otunomo, O.T. Asekun, O.B. Familoni, and C. Ngozi. 2022. “Chemical Composition, Antioxidant, and Antibacterial Activity of the Essential Oil from the Leaves of Pinus sylvestris”. Pacific Journal of Science and Technology. 23(1): 85-93. (Keywords: essential oil, Pinus sylvestris, Scots pine, Scotch pine, Baltic pine, GC-MS, GC-FID, antibacterial, humulene, antioxidants)
pjst23_1_85.pdf
Life Sciences and Medicine
Aldada, A. and A. Mardon. 2022. “Effects of Electromagnetic Radiation on Honey Bees in the United States”. Pacific Journal of Science and Technology. 23(1): 94-97. (Keywords: honey bees, electromagnetic radiation, colony collapse syndrome, biological impacts, pollinators)
pjst23_1_94.pdf
Aldada, A. and A; Mardon. 2022. “Gender and Advertisement: Analysis of Aptamil Baby Formula’s Television Commercial”. Pacific Journal of Science and Technology. 23(1): 98- 100. (Keywords: gender stereotypes, advertisement influence on society, Aptamil baby formula)
pjst23_1_98.pdf
Environmental Science and Ecology
Madu, F.U., M.K. Duru, E.A. Sunday, P.C. Odika, S.U. Aglubuo, K.U. Akataobi, and A.C. Friday. 2022. “Air Quality Evaluation of Ugwuele Quarry Site, Uturu, Abia State, Nigeria”. Pacific Journal of Science and Technology. 23(1): 101-112. (Keywords: particulate matter, meteorological factors, noise, heavy metals)
pjst23_1_101.pdf
Kelle, H.I., E.C. Ogoko, J.K. Nduka, P.I. Udeozo, and M.C. Ubani. 2022. “Health Risk Assessment of Heavy Metal Exposures through Edible Clay from South-Eastern and South-Southern Nigeria”. Pacific Journal of Science and Technology. 23(1): 113-123. (Keywords: edible clays, heavy metals, public exposure, health risk assessment, southeast Nigeria)
pjst23_1_113.pdf
Aldada, A. and A. Mardon. 2022. “Effects of Tailpipe Emissions on Air Pollution in Canada”. Pacific Journal of Science and Technology. 23(1): 124-126. (Keywords: Canada air quality, tailpipe emissions, atmospheric pollution, smog, clean vehicle technology)
pjst23_1_124.pdf
Geology, Geophysics, and Earth Science
Aya, F.C., C.I. Okonkwo, and O.L. Alum. 2022. “Using the RUSLE and GIS Model to Predict Soil Degradation in Nguzu-Edda, Southeastern, Nigeria”. Pacific Journal of Science and Technology. 23(1): 127-140. (Keywords: RUSLE, Revised Universal Soil Loss Equation, Nguzu-Edda, GIS, Geographical Information System, soil degradation risk, gully erosion)
pjst23_1_127.pdf
Amos-Uhegbu, C. and D.N. Ndubueze. 2022. “Geophysical Investigation of the Groundwater Potentials in the Imo Shale Formation of Ehime Mbano Area, Southern Nigeria”. Pacific Journal of Science and Technology. 23(1): 141-149. (Keywords: groundwater, geoelectric, Imo Shale Formation, terrameter, vertical electrical sounding, VES)
pjst23_1_141.pdf
Volume 22, Number 2 (November/December 2021)
Engineering and Material Science
Jimoh, M.O. and A.A. Adeyinka. 2021. “Development and Quality Evaluation of Cubing Machine for Fermented African Locus Beans (Parkia biglobosa)”. Pacific Journal of Science and Technology. 22(2): 5-14. (Keywords: design, fabrication, production, analysis, efficiency, capacity, statistical chart)
pjst22_2_5.pdf
Olubo, A.S., J.T. Stephen, O.O. Opadotun, J.A. Adebija, A. Adebayo, and G.J. Adeyemi.. 2021. “Design and Fabrication of a Low Cost Roasted Groundnut Seed Dehuller”. Pacific Journal of Science and Technology. 22(2): 15-22. (Keywords: groundnut, dehuller, design, efficiency, throughput capacity, mechanical milling)
pjst22_2_15.pdf
Idu, H.K., N.E. Idenyi, E.I. Ugwu, and D.U. Onah. 2021. “Study of Moringa oleifera and Vitex doniana Sweet Leaf Extracts for use as Ecofriendly Corrosion Inhibitors in NaOH”. Pacific Journal of Science and Technology. 22(2): 23-30. (Keywords: mild steel, corrosion penetration rate, corrosion inhibition, weight loss method, inhibitors)
pjst22_2_23.pdf
Energy and Power
Aliyu, H.B. and M.R. Odekunle. 2021. “Functional Relationship between the Energy Consumption and the Greenhouse Gas Emissions in Nigeria”. Pacific Journal of Science and Technology. 22(2): 31-39. (Keywords: greenhouse gasses, energy, consumption carbon dioxide, methane gas, nitrous oxide, emission factor)
pjst22_2_31.pdf
Physics, Atmospheric Physics, and Health Physics
Fernandes, J.L.P.R. 2021. “No Sense of Einstein's Principles of Relativity and the Origin of a New Relativity”. Pacific Journal of Science and Technology. 22(2): 40-48. (Keywords: relativity, space, time, universe, potential, gravitational, velocity, energy, mass)
pjst22_2_40.pdf
Mathematics and Statistics
Ajisope, M.O., A.Y. Akinyele, C.Y. Ishola, A.A. Victor, M.L. Olaosebikan, and T. Latunde. 2021. “Application of Least Squares Method for Solving Volterra Fractional Integro-Differential Equations Based on Constructed Orthogonal Polynomials”. Pacific Journal of Science and Technology. 22(2): 49-56. (Keywords: standard least squares method, SLSM, orthogonal polynomials, linear algebra, fractional integration, fractional calculus, differential equations, FIDE, MAPLE 18)
pjst22_2_49.pdf
Taiwo, S.A. and A.A. Akomolafe. 2021. “Complementary Generalized Transmuted Poisson Lomax Distribution with its Derived Properties and Application”. Pacific Journal of Science and Technology. 22(2): 70-80. (Keywords: lifetime distribution, maximum likelihood estimation, Lomax distribution, hazard function, order statistics)
pjst22_2_70.pdf
Oyeyemi, G.M., D.A. Aji, A.B. Ibraheem, and A.O. Kareem. 2021. “Comparison of some Robust Estimators in Multiple Regression in the Presence of Outliers”. Pacific Journal of Science and Technology. 22(2): 81-90. (Keywords: efficiency, outlier, parameter, rank, robust estimator)
pjst22_2_81.pdf
Edogbanya, H.O., S.O. Momoh, T.A. Ayoola, A.A. Victor, M.Sc., M.O. Ajisope, and A.A. Ayoade. 2021. “Transmission Dynamics of a SIR Infectious Disease Model using Multi-Step Homotopy Analysis Method”. Pacific Journal of Science and Technology. 22(2): 91-100. (Keywords: mathematical biology, disease model, stability theory, differential equations, epidemic indicator, MHAM, multi-step homotopy analysis method)
pjst22_2_91.pdf
Information Technology and Communications
Olabisi, O., A.O. Adeniran, A.G. Ebisemiju, and S.O. Areo. 2021. “Investigation on Effect of Homogenous Multiple Lines of Trees on Wireless Communication System”. Pacific Journal of Science and Technology. 22(2): 101-107. (Keywords: homogeneous, near field, LOS, line of sight, vegetation, communication systems, signal interference, path loss)
pjst22_2_101.pdf
Management, Economics, and Education
Omofunmi, O.E. and K.S. Ogunleye. 2021. “Precision Farming, Soil Conservation, and Irrigation as Veritable Impetus for Boosting Agricultural Productivity”. Pacific Journal of Science and Technology. 22(2):108-116. (Keywords: agricultural productivity, irrigation, precision farming, sensors, soil conservation)
pjst22_2_108.pdf
Ayinde, I.A., A.O. Ayegbokiki, and F.O. Aminu. 2021. “Socio-Economic Factors Influencing Quantity of Insecticide Use in Cowpea Production in Nigeria”. Pacific Journal of Science and Technology. 22(2): 117-129. (Keywords: cowpea, factors, influence, insecticide, production, socio-economic factors, agriculture management)
pjst22_2_117.pdf
Ifekwem, N.E., S.T. Olabosinde, and O.O. Amuah. 2021. “Sibling Rivalry and Succession Planning in Family Business in Nigeria”. Pacific Journal of Science and Technology. 22(2): 130- 136. (Keywords: business succession, rivalry, family dynamics, family business, planning, crossgenerational, multi-generational business)
pjst22_2_130.pdf
Oladeji, A.D. and O.A. Afolabi. 2021. “The Challenges and Prospects of Secretarial Profession in this Modern Technology Era in Oyo State Nigeria”. Pacific Journal of Science and Technology. 22(2): 137-144. (Keywords: challenges, prospects, secretarial profession, modern technology area, technological skills, employment skills, clerical activities)
pjst22_2_137.pdf
Emeka, I.D. and E.C. Thompson,. 2021. “Continuing Education: A Strategy for Achieving Educational Transformation for Sustainable National Development in Nigeria”. Pacific Journal of Science and Technology. 22(2): 145-151. (Keywords: education, continuing education, sustainable development, sustainable national development)
pjst22_2_145.pdf
Chapman, T., P.A. Johnson, J.C. Johnson J.C. and A. Mardon. 2021. “Canadian Victory on Vimy Ridge: The Creation of the Creeping Barrage and the Defining Moment of a Nation”. Pacific Journal of Science and Technology. 22(2): 152-158. (Keywords: artillery, Canadians, Canada, First World War, WWI, Vimy Ridge, military history, military science, tactical planning, flash spotting, sound ranging, creeping barrage)
pjst22_2_152.pdf
Situ, A. and F. Omilabu. 2021. “Assessment of Financial Reporting Quality of Federal Universities in Nigeria: A Case Study of the Federal University of Agriculture, Abeokuta”. Pacific Journal of Science and Technology. 22(2): 159-166. (Keywords: financial reporting, economic audits, Benford’s Law, economic reform, governance, accountability, financial report validation, public sector accounting standards)
pjst22_2_159.pdf
Chemistry and Biochemistry
Odika, P., M. Duru, C. Onyeabor, O. Nana, C. Nwadike, and P. Okafor. 2021. “Bioactive Profiling of Vitex doniana Leaf and its Effect on Rat Erythrocyte Membrane Stabilization Activity”. Pacific Journal of Science and Technology. 22(2): 167-181. (Keywords: bioactive profiling, membrane stabilization, traditional medicine, Vitex doniana leaf)
pjst22_2_167.pdf
Busari, F.A., S.B. Adekoya, M.B. Adebo, S.R. Oyefeso, S.A. Sigbeku, and M.E. Oladele. 2021. “Kinetic, Isothermal, and Thermodynamics Studies of the Biosorption of Pb (II) from Aqueous Solution by White Star Apple (Chrysophyllum albidum G.) Seed Shells”. Pacific Journal of Science and Technology. 22(2): 182-193. (Keywords: biosorption, metal ions, toxic, pH, initial metal ion concentration, kinetic study, thermodynamics, Freundlich and Langmuir models)
pjst22_2_182.pdf
Life Sciences and Medicine
Ogunjobi, K.M., K.O. Okunola, V.A. Jayeola, A.C. Adetogun, and O.F. Gakenou. 2021. “Evaluation of Density and Anatomical Properties of Stem Wood of Five Commercial Trees in Nigeria using a Non- Destructive Approach”. Pacific Journal of Science and Technology. 22(2): 194-200. (Keyword: non- destructive, increment borer, density, anatomical properties, derived values, tree species, commercial wood, timber)
pjst22_2_194.pdf
Oduntan, O.O. and M. Morgan. 2021. “Proximate Composition and Public Perception of Variegated Grasshoppers (Zonocerus variegatus) as a Source of Animal-Based Protein”. Pacific Journal of Science and Technology. 22(2): 201-206. (Keywords: entomophagy, grasshoppers, wildlife consumption, nutrition, utilization)
pjst22_2_201.pdf
Oduntan, O.O. and A.K. Taiwo. 2021. “Survey of Endo-Parasite Composition of Selected Wildlife Species and their Economic Importance”. Pacific Journal of Science and Technology. 22(2): 207- 212. (Keywords: zoological garden, wildlife management, disease, parasitology, animal health, conservation)
pjst22_2_207.pdf
Tiamiyu, K.A. and B.O. Ajibola. 2021. “Self Efficacy, Emotional Intelligence, and Locus of Control as Predictors of Substance Abuse amount Undergraduates in Nigeria”. Pacific Journal of Science and Technology. 22(2): 213- 220. (Keywords: self-efficacy, emotional intelligence, locus of control, substance abuse, university students)
pjst22_2_213.pdf
Environmental Science and Ecology
Bamigboye, S.O. and M.O. Jimoh. 2021. “Evaluating Threats and Conservation Status of South African Rhynchosia”. Pacific Journal of Science and Technology. 22(2): 221-226. (Keywords: conservation, endemism, ethnobotanical uses, extinction risks, threats, biodiversity)
pjst22_2_221.pdf
Akintola, O.O., J.T. Arojojoye, M.O. Ojo, and R.T. Ibode. 2021. “Remediation Potential of Jatropha integerrima (Jacq) in Lead Contaminated Soil”. Pacific Journal of Science and Technology. 22(2): 227-239. (Keywords: anthropogenic heavy metal pollution, lead, Pb, bioaccumulation, industrialization, bioaccumulation, bioremediation, sustainability)
pjst22_2_227.pdf
Usman, R., A.M. Kamal, E.I. Ugwu, I.M. Mustapha, A. Mamman, and A. Hudu. 2020. “Assessment and Analysis of the Presence of Heavy Metals in Water in Ara and Laminga of Nasarawa State, Nigeria: Health Implication on the Populace”. Pacific Journal of Science and Technology. 21(2):240-246. (Keyword: water assessment, heavy metals, accumulation, public health, concentration, gastropods, Micro Plasma Atomic Emission Spectroscopy, MP-AES. potable water)
pjst22_2_240.pdf
Akintola, O.O., B.L. Olajiire-Ajayi, R.T. Ibode, and O.D. Ayeni. 2021. “Influence of Wastes on Some Properties of Soil around Ajakanga Dumpsite in Ibadan, Southwestern Nigeria”. Pacific Journal of Science and Technology. 22(2): 247-256. (Keywords: dumpsites, soil properties, compost, re-use, nutrients, agricultural impact)
pjst22_2_247.pdf
Ogundiran, A.A., N.A. Adesola Babarinde, E.A. Ofudje, and O.O. Ogundiran. 2021. “Removal of Heavy Metals from Aqueous Solutions using Modified Irish Potato Leaf as Low Cost Biosorbent: Kinetic and Thermodynamic Studies”. Pacific Journal of Science and Technology. 22(2): 257-271. (Keywords: biosorption, bioremediation, Irish potato leaf, kinetics, heavy metals, thermodynamics)
pjst22_2_257.pdf
Uche, J.J. 2021. “The Impact of Solid Waste Dumpsites on Ambient Air Quality in Obio/Akpor Local Government Area, Rivers State: A Case Study of Nkpolu Community”. Pacific Journal of Science and Technology. 22(2): 272-279. (Keywords: air quality, dump sites, off-gassing, ozone, methane, carbon monoxide, nitrogen dioxide, sulfur dioxide, carbon dioxide, ammonia, hydrogen sulfide, volatile organic carbon, particulate matter, environmental monitoring, solid waste dumps)
pjst22_2_272.pdf
Badmus, A.M., B.B. Alhaji, and N. Abdullahi. 2021. “Mathematical Modeling of Ecological Restoration of Gully Erosion in Chukun Local Government Area in Kaduna State”. Pacific Journal of Science and Technology. 22(2): 280- 294. (Keywords: mathematical modeling, ecological restoration, gully erosion)
pjst22_2_280.pdf
Geology, Geophysics, and Earth Science
Olorunfemi, M.O., A.G. Oni, T.K. Fadare, and O.E. Olajuyigbe. 2021. “On the Application of the Magnetic Method in the Mapping of Mineralized Pegmatites in Mica Schist underlain Basement Complex of Southwest Nigeria”. Pacific Journal of Science and Technology. 22(2): 295-306. (Keywords: linear feature, mineralized pegmatites, magnetic lineaments, mica schist, Nigerian Precambrian Basement Complex)
pjst22_2_295.pdf
Jimoh, M.O. and A.A. Adeyinka. 2021. “Development and Quality Evaluation of Cubing Machine for Fermented African Locus Beans (Parkia biglobosa)”. Pacific Journal of Science and Technology. 22(2): 5-14. (Keywords: design, fabrication, production, analysis, efficiency, capacity, statistical chart)
pjst22_2_5.pdf
Olubo, A.S., J.T. Stephen, O.O. Opadotun, J.A. Adebija, A. Adebayo, and G.J. Adeyemi.. 2021. “Design and Fabrication of a Low Cost Roasted Groundnut Seed Dehuller”. Pacific Journal of Science and Technology. 22(2): 15-22. (Keywords: groundnut, dehuller, design, efficiency, throughput capacity, mechanical milling)
pjst22_2_15.pdf
Idu, H.K., N.E. Idenyi, E.I. Ugwu, and D.U. Onah. 2021. “Study of Moringa oleifera and Vitex doniana Sweet Leaf Extracts for use as Ecofriendly Corrosion Inhibitors in NaOH”. Pacific Journal of Science and Technology. 22(2): 23-30. (Keywords: mild steel, corrosion penetration rate, corrosion inhibition, weight loss method, inhibitors)
pjst22_2_23.pdf
Energy and Power
Aliyu, H.B. and M.R. Odekunle. 2021. “Functional Relationship between the Energy Consumption and the Greenhouse Gas Emissions in Nigeria”. Pacific Journal of Science and Technology. 22(2): 31-39. (Keywords: greenhouse gasses, energy, consumption carbon dioxide, methane gas, nitrous oxide, emission factor)
pjst22_2_31.pdf
Physics, Atmospheric Physics, and Health Physics
Fernandes, J.L.P.R. 2021. “No Sense of Einstein's Principles of Relativity and the Origin of a New Relativity”. Pacific Journal of Science and Technology. 22(2): 40-48. (Keywords: relativity, space, time, universe, potential, gravitational, velocity, energy, mass)
pjst22_2_40.pdf
Mathematics and Statistics
Ajisope, M.O., A.Y. Akinyele, C.Y. Ishola, A.A. Victor, M.L. Olaosebikan, and T. Latunde. 2021. “Application of Least Squares Method for Solving Volterra Fractional Integro-Differential Equations Based on Constructed Orthogonal Polynomials”. Pacific Journal of Science and Technology. 22(2): 49-56. (Keywords: standard least squares method, SLSM, orthogonal polynomials, linear algebra, fractional integration, fractional calculus, differential equations, FIDE, MAPLE 18)
pjst22_2_49.pdf
Taiwo, S.A. and A.A. Akomolafe. 2021. “Complementary Generalized Transmuted Poisson Lomax Distribution with its Derived Properties and Application”. Pacific Journal of Science and Technology. 22(2): 70-80. (Keywords: lifetime distribution, maximum likelihood estimation, Lomax distribution, hazard function, order statistics)
pjst22_2_70.pdf
Oyeyemi, G.M., D.A. Aji, A.B. Ibraheem, and A.O. Kareem. 2021. “Comparison of some Robust Estimators in Multiple Regression in the Presence of Outliers”. Pacific Journal of Science and Technology. 22(2): 81-90. (Keywords: efficiency, outlier, parameter, rank, robust estimator)
pjst22_2_81.pdf
Edogbanya, H.O., S.O. Momoh, T.A. Ayoola, A.A. Victor, M.Sc., M.O. Ajisope, and A.A. Ayoade. 2021. “Transmission Dynamics of a SIR Infectious Disease Model using Multi-Step Homotopy Analysis Method”. Pacific Journal of Science and Technology. 22(2): 91-100. (Keywords: mathematical biology, disease model, stability theory, differential equations, epidemic indicator, MHAM, multi-step homotopy analysis method)
pjst22_2_91.pdf
Information Technology and Communications
Olabisi, O., A.O. Adeniran, A.G. Ebisemiju, and S.O. Areo. 2021. “Investigation on Effect of Homogenous Multiple Lines of Trees on Wireless Communication System”. Pacific Journal of Science and Technology. 22(2): 101-107. (Keywords: homogeneous, near field, LOS, line of sight, vegetation, communication systems, signal interference, path loss)
pjst22_2_101.pdf
Management, Economics, and Education
Omofunmi, O.E. and K.S. Ogunleye. 2021. “Precision Farming, Soil Conservation, and Irrigation as Veritable Impetus for Boosting Agricultural Productivity”. Pacific Journal of Science and Technology. 22(2):108-116. (Keywords: agricultural productivity, irrigation, precision farming, sensors, soil conservation)
pjst22_2_108.pdf
Ayinde, I.A., A.O. Ayegbokiki, and F.O. Aminu. 2021. “Socio-Economic Factors Influencing Quantity of Insecticide Use in Cowpea Production in Nigeria”. Pacific Journal of Science and Technology. 22(2): 117-129. (Keywords: cowpea, factors, influence, insecticide, production, socio-economic factors, agriculture management)
pjst22_2_117.pdf
Ifekwem, N.E., S.T. Olabosinde, and O.O. Amuah. 2021. “Sibling Rivalry and Succession Planning in Family Business in Nigeria”. Pacific Journal of Science and Technology. 22(2): 130- 136. (Keywords: business succession, rivalry, family dynamics, family business, planning, crossgenerational, multi-generational business)
pjst22_2_130.pdf
Oladeji, A.D. and O.A. Afolabi. 2021. “The Challenges and Prospects of Secretarial Profession in this Modern Technology Era in Oyo State Nigeria”. Pacific Journal of Science and Technology. 22(2): 137-144. (Keywords: challenges, prospects, secretarial profession, modern technology area, technological skills, employment skills, clerical activities)
pjst22_2_137.pdf
Emeka, I.D. and E.C. Thompson,. 2021. “Continuing Education: A Strategy for Achieving Educational Transformation for Sustainable National Development in Nigeria”. Pacific Journal of Science and Technology. 22(2): 145-151. (Keywords: education, continuing education, sustainable development, sustainable national development)
pjst22_2_145.pdf
Chapman, T., P.A. Johnson, J.C. Johnson J.C. and A. Mardon. 2021. “Canadian Victory on Vimy Ridge: The Creation of the Creeping Barrage and the Defining Moment of a Nation”. Pacific Journal of Science and Technology. 22(2): 152-158. (Keywords: artillery, Canadians, Canada, First World War, WWI, Vimy Ridge, military history, military science, tactical planning, flash spotting, sound ranging, creeping barrage)
pjst22_2_152.pdf
Situ, A. and F. Omilabu. 2021. “Assessment of Financial Reporting Quality of Federal Universities in Nigeria: A Case Study of the Federal University of Agriculture, Abeokuta”. Pacific Journal of Science and Technology. 22(2): 159-166. (Keywords: financial reporting, economic audits, Benford’s Law, economic reform, governance, accountability, financial report validation, public sector accounting standards)
pjst22_2_159.pdf
Chemistry and Biochemistry
Odika, P., M. Duru, C. Onyeabor, O. Nana, C. Nwadike, and P. Okafor. 2021. “Bioactive Profiling of Vitex doniana Leaf and its Effect on Rat Erythrocyte Membrane Stabilization Activity”. Pacific Journal of Science and Technology. 22(2): 167-181. (Keywords: bioactive profiling, membrane stabilization, traditional medicine, Vitex doniana leaf)
pjst22_2_167.pdf
Busari, F.A., S.B. Adekoya, M.B. Adebo, S.R. Oyefeso, S.A. Sigbeku, and M.E. Oladele. 2021. “Kinetic, Isothermal, and Thermodynamics Studies of the Biosorption of Pb (II) from Aqueous Solution by White Star Apple (Chrysophyllum albidum G.) Seed Shells”. Pacific Journal of Science and Technology. 22(2): 182-193. (Keywords: biosorption, metal ions, toxic, pH, initial metal ion concentration, kinetic study, thermodynamics, Freundlich and Langmuir models)
pjst22_2_182.pdf
Life Sciences and Medicine
Ogunjobi, K.M., K.O. Okunola, V.A. Jayeola, A.C. Adetogun, and O.F. Gakenou. 2021. “Evaluation of Density and Anatomical Properties of Stem Wood of Five Commercial Trees in Nigeria using a Non- Destructive Approach”. Pacific Journal of Science and Technology. 22(2): 194-200. (Keyword: non- destructive, increment borer, density, anatomical properties, derived values, tree species, commercial wood, timber)
pjst22_2_194.pdf
Oduntan, O.O. and M. Morgan. 2021. “Proximate Composition and Public Perception of Variegated Grasshoppers (Zonocerus variegatus) as a Source of Animal-Based Protein”. Pacific Journal of Science and Technology. 22(2): 201-206. (Keywords: entomophagy, grasshoppers, wildlife consumption, nutrition, utilization)
pjst22_2_201.pdf
Oduntan, O.O. and A.K. Taiwo. 2021. “Survey of Endo-Parasite Composition of Selected Wildlife Species and their Economic Importance”. Pacific Journal of Science and Technology. 22(2): 207- 212. (Keywords: zoological garden, wildlife management, disease, parasitology, animal health, conservation)
pjst22_2_207.pdf
Tiamiyu, K.A. and B.O. Ajibola. 2021. “Self Efficacy, Emotional Intelligence, and Locus of Control as Predictors of Substance Abuse amount Undergraduates in Nigeria”. Pacific Journal of Science and Technology. 22(2): 213- 220. (Keywords: self-efficacy, emotional intelligence, locus of control, substance abuse, university students)
pjst22_2_213.pdf
Environmental Science and Ecology
Bamigboye, S.O. and M.O. Jimoh. 2021. “Evaluating Threats and Conservation Status of South African Rhynchosia”. Pacific Journal of Science and Technology. 22(2): 221-226. (Keywords: conservation, endemism, ethnobotanical uses, extinction risks, threats, biodiversity)
pjst22_2_221.pdf
Akintola, O.O., J.T. Arojojoye, M.O. Ojo, and R.T. Ibode. 2021. “Remediation Potential of Jatropha integerrima (Jacq) in Lead Contaminated Soil”. Pacific Journal of Science and Technology. 22(2): 227-239. (Keywords: anthropogenic heavy metal pollution, lead, Pb, bioaccumulation, industrialization, bioaccumulation, bioremediation, sustainability)
pjst22_2_227.pdf
Usman, R., A.M. Kamal, E.I. Ugwu, I.M. Mustapha, A. Mamman, and A. Hudu. 2020. “Assessment and Analysis of the Presence of Heavy Metals in Water in Ara and Laminga of Nasarawa State, Nigeria: Health Implication on the Populace”. Pacific Journal of Science and Technology. 21(2):240-246. (Keyword: water assessment, heavy metals, accumulation, public health, concentration, gastropods, Micro Plasma Atomic Emission Spectroscopy, MP-AES. potable water)
pjst22_2_240.pdf
Akintola, O.O., B.L. Olajiire-Ajayi, R.T. Ibode, and O.D. Ayeni. 2021. “Influence of Wastes on Some Properties of Soil around Ajakanga Dumpsite in Ibadan, Southwestern Nigeria”. Pacific Journal of Science and Technology. 22(2): 247-256. (Keywords: dumpsites, soil properties, compost, re-use, nutrients, agricultural impact)
pjst22_2_247.pdf
Ogundiran, A.A., N.A. Adesola Babarinde, E.A. Ofudje, and O.O. Ogundiran. 2021. “Removal of Heavy Metals from Aqueous Solutions using Modified Irish Potato Leaf as Low Cost Biosorbent: Kinetic and Thermodynamic Studies”. Pacific Journal of Science and Technology. 22(2): 257-271. (Keywords: biosorption, bioremediation, Irish potato leaf, kinetics, heavy metals, thermodynamics)
pjst22_2_257.pdf
Uche, J.J. 2021. “The Impact of Solid Waste Dumpsites on Ambient Air Quality in Obio/Akpor Local Government Area, Rivers State: A Case Study of Nkpolu Community”. Pacific Journal of Science and Technology. 22(2): 272-279. (Keywords: air quality, dump sites, off-gassing, ozone, methane, carbon monoxide, nitrogen dioxide, sulfur dioxide, carbon dioxide, ammonia, hydrogen sulfide, volatile organic carbon, particulate matter, environmental monitoring, solid waste dumps)
pjst22_2_272.pdf
Badmus, A.M., B.B. Alhaji, and N. Abdullahi. 2021. “Mathematical Modeling of Ecological Restoration of Gully Erosion in Chukun Local Government Area in Kaduna State”. Pacific Journal of Science and Technology. 22(2): 280- 294. (Keywords: mathematical modeling, ecological restoration, gully erosion)
pjst22_2_280.pdf
Geology, Geophysics, and Earth Science
Olorunfemi, M.O., A.G. Oni, T.K. Fadare, and O.E. Olajuyigbe. 2021. “On the Application of the Magnetic Method in the Mapping of Mineralized Pegmatites in Mica Schist underlain Basement Complex of Southwest Nigeria”. Pacific Journal of Science and Technology. 22(2): 295-306. (Keywords: linear feature, mineralized pegmatites, magnetic lineaments, mica schist, Nigerian Precambrian Basement Complex)
pjst22_2_295.pdf
Volume 22, Number 1 (May/June 2021)
Engineering and Material Science
Nworie, S.I. and E.I. Ugwu. 2021. “The Effect of Annealing Temperature on Structural and Solid State Properties of Aluminum Zinc Oxide (AlZnO) Deposited by Chemical Bath Technique”. Pacific Journal of Science and Technology. 22(1):5-13. (Keywords: AlZnO, thin films, annealing temperature, chemical bath deposition, structural and solid state properties)
pjst22_1_5.pdf
Physics, Atmospheric Physics, and Health Physics
Ezeugo, J.C. 2021. “Jet Production in the More Extended Extragalactic Radio Sources and Unification with Compact Steep Spectrum Sources”. Pacific Journal of Science and Technology. 22(1):14-19. (Keywords: jet, magnetization, radio sources, accretion, magnetic field)
pjst22_1_14.pdf
Ezeugo, J.C. 2021. “On the Components of Large Extended Extragalactic Radio Sources”. Pacific Journal of Science and Technology. 22(1):20-23. (Keywords: radio sources, ambient density, radio jet, radio lobe, source age, galaxies)
pjst22_1_20.pdf
Mathematics and Statistics
Akeyede, I., M. Kaka, and H.R. Bakari. 2021. “Estimation of Two-Sided Exponential Distribution Using the Maximum Likelihood Function”. Pacific Journal of Science and Technology. 22(1): 24-29. (Keywords: exponential distribution, MLE, LSE)
pjst22_1_24.pdf
Oyedepo, T., A.F. Adebisi, M.T. Raji, M.O. Ajisope, J.A. Adedeji, J.O. Lawal, and O.A. Uwaheren. 2021. “Bernstein Modified Homotopy Perturbation Method for the Solution of Volterra Fractional Integro-Differential Equations”. Pacific Journal of Science and Technology. 22(1): 30-36. (Keywords: modified homotopy perturbation method, Bernstein polynomials, fractional integro-differential equations)
pjst22_1_30.pdf
Adebisi, A.F., O.A. Uwaheren, M.O. Etuk, O.E. Abolarin, M.T. Raji, K.A. Bello, and J.A. Adedeji. 2021. “Standard Collocation Method by Legendre Basis Polynomial Function for Solving Integro-Differential Equations”. Pacific Journal of Science and Technology. 22(1): 37-46. (Keywords: integro-differential difference equations, Gauss-Legendre polynomials)
pjst22_1_37.pdf
Salisu, K.A., Y. Bala, A. Audu, and M.A. Ayinde. 2021. “Mathematical Model for the Dynamics of Drug-Abuse and Violence Co-Menace”. Pacific Journal of Science and Technology. 22(1):47-60. (Keywords: mathematical model, drug abuse, violence, co-menace, mathematical model, basic reproduction number)
pjst22_1_47.pdf
Information Technology and Communications
Oliha, F.O. 2021. “Bridging Technological Gulfs for Valuers in Fiscal Cadaster”. Pacific Journal of Science and Technology. 22(1):61-67. (Keywords: property valuation, land use charge, system usability, fiscal cadaster, web solution, GIS)
pjst22_1_61.pdf
Oliha, F.O. 2021. “Evaluating Usability of Academic Web Portals for Social-Academic Learning”. Pacific Journal of Science and Technology. 22(1):68-76. (Keywords: collaborative learning, web portal usability, social academic platform, academic web portals )
pjst22_1_68.pdf
Management, Economics, and Education
Ogunwolu, F.O., O.F. Odeyinka, and O.A. Oluwaji. 2021. “A Review of Lean Manufacturing, Six Sigma and Lean Six Sigma”. Pacific Journal of Science and Technology. 22(1):77-90. (Keywords: Lean manufacturing, Six Sigma, Lean Six Sigma, LSS)
pjst22_1_77.pdf
Bello, B.A., P. Ologbenla, and B.F. Sanusi. 2021. “Employee Welfare and Retention in Dangote Flour Mills PLC., Apapa Lagos”. Pacific Journal of Science and Technology. 22(1):91-98. (Keywords: employee welfare programs, work-life balance, employee retention, employee management)
pjst22_1_91.pdf
Babatunde, O.O., K.O. Babatunde, T.O. Babatunde, A.T. Ademigbuji, S.O. Okeleke, and A.A. Ekaun. 2021. “Marketing of Timber in Selected Sawmills in Ibadan North Local Government Area of Oyo State Nigeria”. Pacific Journal of Science and Technology. 22(1): 99- 106. (Keywords: profitability, marketing, timber, Ibadan NGA, sawmills)
pjst22_1_99.pdf
Babatunde, O.O., K.O. Babatunde, T.O. Babatunde, A.T. Ademigbuji, S.O. Okeleke, and A.A. Ekaun. 2021. “Overview of Students’ Topic Difficulties in Mathematics: A Case Study of Federal College of Forestry, Ibadan, Oyo State, Nigeria”. Pacific Journal of Science and Technology. 22(1): 107-111. (Keywords: education, student views, overview, topics, difficulties, mathematics)
pjst22_1_107.pdf
Aremu, A.O. and N. Ozurumba. 2021. “Measured Influence of Personal Factors on Academic Dishonesty among University Postgraduate Students in South-west, Nigeria”. Pacific Journal of Science and Technology. 22(1):112-120. (Keywords: academic dishonesty, personal factors, University postgraduate students)
pjst22_1_112.pdf
Zhang, Y., L.E. Lombo, J. Singh and A. Mardon. 2021. “How COVID-19 Will Affect the Future of Universities”. Pacific Journal of Science and Technology. 22(1):121-124. (Keywords: COVID-19, higher education, blended or hybrid learning model)
pjst22_1_121.pdf
Chemistry and Biochemistry
Dim, P.E., A.U. Iloka, M. Termtanun, and J.O. Okafo. 2021. “Isotherm and Kinetics Studies of Pb (II) Adsorption onto Pandanus Candelabrum Activated Carbon”. Pacific Journal of Science and Technology. 22(1): 125-135. (Keywords: Pandanus candelabrum, activated carbon, chemical activation, adsorption, isotherm, kinetics)
pjst22_1_125.pdf
Oruma, U.S., P.O. Ukoha, and C.J. Ezeorah. 2021. “Synthesis, Characterization, and Biological Studies of Trinuclear Nd(III) Salen Capped Complex with 2,4,6-tris(4-carboxybenzimino)- 1,3,5-triazine”. Pacific Journal of Science and Technology. 22(1): 136-153. (Keywords: synthesis, trinuclear Nd(III) salen capped complex, antimicrobial activity)
pjst22_1_136.pdf
Tachie, N.B.S, O.A. Mosunmade, B. Habila, U. Ibeneme, and K.E. Ibe. 2021. “Investigating the Effect of Alkaline-Peroxide Treatment on the Chemical Composition and Mechanical Properties of Sisal Fiber”. Pacific Journal of Science and Technology. 22(1):154-163.
(Keywords: alkaline treatment, mechanical properties, sisal fiber, FTIR, biofibers)
pjst22_1_154.pdf
Life Sciences and Medicine
Anotaenwere, C.C., P.A. Dele, B.T. Akinyemi, F.E. Enwete, J.I. Akinyode, D.S. Oyelola, O.A. Okukenu, and A.O. Jolaosho. 2021. “Effect of Soil Sampling Point and Age at Harvest on the Growth and Dry Matter Yield of Two Panicum maximum Varieties”. Pacific Journal of Science and Technology. 22(1): 164-169. (Keywords: grasses, soil, tiller, varieties, yield)
pjst22_1_164.pdf
Akinyode, J.I., P.A. Dele, B.T. Akinyemi, F.E. Enwete, C.C. Anotaenwere, and V.O.A. Ojo. 2021. “Effect of Fertilizer Rate and Age at Harvest on the Growth and Dry Matter Yield of Brachiaria ruziziensis.” Pacific Journal of Science and Technology. 22(1):170-177. (Keywords: fertilizer, grass, growth, nitrogen, yield)
pjst22_1_170.pdf
Opadotun, O.O., F.B. Olotu, K.A. Iyalabani, F.M. Bolarin, and O.A. Ogunjirin. 2021. “Optimum Drying Temperature and Treatment for Commercial Production of Cocoyam Flour”. Pacific Journal of Science and Technology. 22(1): 178-182. (Keywords: agriculture products, cocoyam, commercial production, optimum drying, treatment, utilization, post-harvest properties)
pjst22_1_178.pdf
Ofoegbu, E.C. 2021. “Effect of Leaf Extract of Psidium guajava (Guava) on the Hematological Indices of Albino Rats.” Pacific Journal of Science and Technology. 22(1): 183-189. (Keywords: haematological parameters, hematological indices, guava leaves)
pjst22_1_183.pdf
Enwete, F.E., O.S. Iyasere, P.A. Dele, B.T. Akinyemi, C.C. Anotaenwere, J.I. Akinyode, and O.S. Onifade. 2021. “Short-Term Grazing Behavior of White Fulani Calves as Affected by Grazing Cycle, Plant Spacing and Species.” Pacific Journal of Science and Technology. 22(1): 190-196. (Keywords: calves, grooming, forages, grasses, tropical)
pjst22_1_190.pdf
Nyajo, T.A., A.P. Annune, and O.V. Ayuba. 2021. “Effects of Tannic Acid on Stickiness Removal and Time of Hatching of African Catfish, Clarias gariepinus Eggs.” Pacific Journal of Science and Technology. 22(1): 197-202. (Keywords: Clarias gariepinus, concentrations, hatchability, stickiness elimination, photophilic eggs, Tannic acid)
pjst22_1_197.pdf
Peer, L.S., L. Lombo, J. Singh, and A. Mardon. 2021. “The Pet Transience During the COVID-19 Pandemic”. Pacific Journal of Science and Technology. 22(1): 203-206. (Keywords: COVID-19, animals, pets, non-human companionship, loneliness, isolation, mental health)
pjst22_1_203.pdf
Akintola, O.O., I.O. Abiola, E.K. Abodunrin, T. Adeniran, F.O. Agboola, and E.A Ekaun. 2021. “Comparative Analysis of Phytochemical Compounds in Ethanolic Extracts of Leaf, Bark, and Root of Dacryodes edulis (G. Don) and their Medicinal Importance”. Pacific Journal of Science and Technology. 22(1): 207-217. (Keywords: Dacryodes edulis, phytochemical screening, reducing sugar, tannin, saponin, flavonoids)
pjst22_1_207.pdf
Kang, N. and A.A. Mardon. 2021. “Pathogenesis of COVID-19”. Pacific Journal of Science and Technology. 22(1):218-225. (Keywords: Coronavirus, COVID-19, SARS, Severe Acute Respiratory Syndrome, pathogenesis, virus, global pandemic)
pjst22_1_218.pdf
Environmental Science and Ecology
Uzor, A.O. 2021. “Assessment of Heavy Metals in Prawn (Macrobrachium macrobrachium) along selected stations of New Calabar River, Rivers State, Nigeria”. Pacific Journal of Science and Technology. 22(1): 226-231. (Keywords: heavy metals, prawn, environmental pollution)
pjst22_1_226.pdf
Ejiogu, I.K., U. Ibeneme, and O.M. Aiyejagbara. 2021. “Degradable Polymers - The Future for Environmental Management in Nigeria: A Review”. Pacific Journal of Science and Technology. 22(1): 232-240. (Keywords: degradation, eco-friendly composite, biodegradation, plastic wastes, environment)
pjst22_1_232.pdf
Akintola, O.O., A.I. Bodede, A.T. Ademigbuji, E.A. Ekaun, and O.O. Adekoya. 2021. “Leachate Characteristics and Pollution Index Assessment of an Active Dumpsite in Ibadan, Southwestern Nigeria”. Pacific Journal of Science and Technology. 22(1): 241-253. (Keywords: leachates, active dumpsite, Leachates Pollution Index, LPI, remediation, environmental hazards)
pjst22_1_241.pdf
Nwugha, V.N., A.C. Ezebunanwa, P.I. Okeke, and A.I. Chinaka. 2021. “Environmental Implications of Leachates of Sewage Dumpsites in some parts of Owerri, Southeastern Nigeria”. Pacific Journal of Science and Technology. 22(1): 254-261. (Keywords: leachates, wastes, analysis, physio[1]chemical, ion concentration, heavy metals, pH)
pjst22_1_254.pdf
Kelle, H.I., E.C. Ogoko, P.I. Udeozo, D. Achem, and J.O. Otumala. 2021. “Health Risk Assessment of Exposure to Heavy Metals in Rice Grown in Nigeria”. Pacific Journal of Science and Technology. 22(1): 262-273. (Keywords: rice, heavy metals, estimated daily intake, hazard quotient, incremental lifetime cancer risk)
pjst22_1_262.pdf
Geology, Geophysics, and Earth Science
Akanji, A.A., A.G. Oni, and M.O. Olorunfemi. 2021. “Groundwater Prospectivity Assessment of a Field of Hand-Dug Wells in the Area Around the Murtala Muhammed Postgraduate Hall OAU, Ile-Ife, Using Geoelectric Parametric Soundings”. Pacific Journal of Science and Technology. 22(1): 274-287. (Keywords: hand-dug wells, geoelectric parametric soundings, well depths, enhanced groundwater yield)
pjst22_1_274.pdf
Olorunfemi, M.O., A.G. Oni, and T.K. Fadare. 2021. “The Use of 2D Resistivity Images to Constrain 1D Vertical Electrical Sounding (VES) Curve Interpretation for Suppression-Prone Confined Fractured Basement Column”. Pacific Journal of Science and Technology. 22(1): 288- 301. (Keywords: confined fractured basement, suppression, 2D resistivity images, ID VES, groundwater development)
pjst22_1_288.pdf
Iduseri, M.O. and O.M. Alile. 2021. “2D and 3D Electrical Resistivity Imaging (ERI) for Erosion Vulnerability and Subsurface Characterization for Engineering Constructions and Groundwater Potential in Owanoba and Obaretin Areas of Edo State, South-South Nigeria”. Pacific Journal of Science and Technology. 22(1): 302-316. (Keywords: stratification, engineering constructions, depth slice, clayey sand, Obaretin)
pjst22_1_302.pdf
Ajayi, O., C.I. Konwea, and O.B. Ogunjobi. 2021. “Geotechnical Assessment of the Residual Soils Beneath the Ile-Ife – Ilesha Bypass Road Pavement, Southwestern Nigeria”. Pacific Journal of Science and Technology. 22(1): 317-326. Keywords: geotechnical properties, Atterberg consistency limits, grain size distribution, CBR test, soil classification)
pjst22_1_317.pdf
Anyadiegwu, F.C., M.O. Eze, D.E. Azunna, C.Y. Ahamefule, and V.C. Obi. 2021. “Depositional Environment of Red Field in Niger-Delta, Nigeria, Obtained from Gamma Ray Log”. Pacific Journal of Science and Technology. 22(1): 327-335. (Keywords: gamma ray log, facies, depositional environment, sand, shale)
pjst22_1_327.pdf
Nworie, S.I. and E.I. Ugwu. 2021. “The Effect of Annealing Temperature on Structural and Solid State Properties of Aluminum Zinc Oxide (AlZnO) Deposited by Chemical Bath Technique”. Pacific Journal of Science and Technology. 22(1):5-13. (Keywords: AlZnO, thin films, annealing temperature, chemical bath deposition, structural and solid state properties)
pjst22_1_5.pdf
Physics, Atmospheric Physics, and Health Physics
Ezeugo, J.C. 2021. “Jet Production in the More Extended Extragalactic Radio Sources and Unification with Compact Steep Spectrum Sources”. Pacific Journal of Science and Technology. 22(1):14-19. (Keywords: jet, magnetization, radio sources, accretion, magnetic field)
pjst22_1_14.pdf
Ezeugo, J.C. 2021. “On the Components of Large Extended Extragalactic Radio Sources”. Pacific Journal of Science and Technology. 22(1):20-23. (Keywords: radio sources, ambient density, radio jet, radio lobe, source age, galaxies)
pjst22_1_20.pdf
Mathematics and Statistics
Akeyede, I., M. Kaka, and H.R. Bakari. 2021. “Estimation of Two-Sided Exponential Distribution Using the Maximum Likelihood Function”. Pacific Journal of Science and Technology. 22(1): 24-29. (Keywords: exponential distribution, MLE, LSE)
pjst22_1_24.pdf
Oyedepo, T., A.F. Adebisi, M.T. Raji, M.O. Ajisope, J.A. Adedeji, J.O. Lawal, and O.A. Uwaheren. 2021. “Bernstein Modified Homotopy Perturbation Method for the Solution of Volterra Fractional Integro-Differential Equations”. Pacific Journal of Science and Technology. 22(1): 30-36. (Keywords: modified homotopy perturbation method, Bernstein polynomials, fractional integro-differential equations)
pjst22_1_30.pdf
Adebisi, A.F., O.A. Uwaheren, M.O. Etuk, O.E. Abolarin, M.T. Raji, K.A. Bello, and J.A. Adedeji. 2021. “Standard Collocation Method by Legendre Basis Polynomial Function for Solving Integro-Differential Equations”. Pacific Journal of Science and Technology. 22(1): 37-46. (Keywords: integro-differential difference equations, Gauss-Legendre polynomials)
pjst22_1_37.pdf
Salisu, K.A., Y. Bala, A. Audu, and M.A. Ayinde. 2021. “Mathematical Model for the Dynamics of Drug-Abuse and Violence Co-Menace”. Pacific Journal of Science and Technology. 22(1):47-60. (Keywords: mathematical model, drug abuse, violence, co-menace, mathematical model, basic reproduction number)
pjst22_1_47.pdf
Information Technology and Communications
Oliha, F.O. 2021. “Bridging Technological Gulfs for Valuers in Fiscal Cadaster”. Pacific Journal of Science and Technology. 22(1):61-67. (Keywords: property valuation, land use charge, system usability, fiscal cadaster, web solution, GIS)
pjst22_1_61.pdf
Oliha, F.O. 2021. “Evaluating Usability of Academic Web Portals for Social-Academic Learning”. Pacific Journal of Science and Technology. 22(1):68-76. (Keywords: collaborative learning, web portal usability, social academic platform, academic web portals )
pjst22_1_68.pdf
Management, Economics, and Education
Ogunwolu, F.O., O.F. Odeyinka, and O.A. Oluwaji. 2021. “A Review of Lean Manufacturing, Six Sigma and Lean Six Sigma”. Pacific Journal of Science and Technology. 22(1):77-90. (Keywords: Lean manufacturing, Six Sigma, Lean Six Sigma, LSS)
pjst22_1_77.pdf
Bello, B.A., P. Ologbenla, and B.F. Sanusi. 2021. “Employee Welfare and Retention in Dangote Flour Mills PLC., Apapa Lagos”. Pacific Journal of Science and Technology. 22(1):91-98. (Keywords: employee welfare programs, work-life balance, employee retention, employee management)
pjst22_1_91.pdf
Babatunde, O.O., K.O. Babatunde, T.O. Babatunde, A.T. Ademigbuji, S.O. Okeleke, and A.A. Ekaun. 2021. “Marketing of Timber in Selected Sawmills in Ibadan North Local Government Area of Oyo State Nigeria”. Pacific Journal of Science and Technology. 22(1): 99- 106. (Keywords: profitability, marketing, timber, Ibadan NGA, sawmills)
pjst22_1_99.pdf
Babatunde, O.O., K.O. Babatunde, T.O. Babatunde, A.T. Ademigbuji, S.O. Okeleke, and A.A. Ekaun. 2021. “Overview of Students’ Topic Difficulties in Mathematics: A Case Study of Federal College of Forestry, Ibadan, Oyo State, Nigeria”. Pacific Journal of Science and Technology. 22(1): 107-111. (Keywords: education, student views, overview, topics, difficulties, mathematics)
pjst22_1_107.pdf
Aremu, A.O. and N. Ozurumba. 2021. “Measured Influence of Personal Factors on Academic Dishonesty among University Postgraduate Students in South-west, Nigeria”. Pacific Journal of Science and Technology. 22(1):112-120. (Keywords: academic dishonesty, personal factors, University postgraduate students)
pjst22_1_112.pdf
Zhang, Y., L.E. Lombo, J. Singh and A. Mardon. 2021. “How COVID-19 Will Affect the Future of Universities”. Pacific Journal of Science and Technology. 22(1):121-124. (Keywords: COVID-19, higher education, blended or hybrid learning model)
pjst22_1_121.pdf
Chemistry and Biochemistry
Dim, P.E., A.U. Iloka, M. Termtanun, and J.O. Okafo. 2021. “Isotherm and Kinetics Studies of Pb (II) Adsorption onto Pandanus Candelabrum Activated Carbon”. Pacific Journal of Science and Technology. 22(1): 125-135. (Keywords: Pandanus candelabrum, activated carbon, chemical activation, adsorption, isotherm, kinetics)
pjst22_1_125.pdf
Oruma, U.S., P.O. Ukoha, and C.J. Ezeorah. 2021. “Synthesis, Characterization, and Biological Studies of Trinuclear Nd(III) Salen Capped Complex with 2,4,6-tris(4-carboxybenzimino)- 1,3,5-triazine”. Pacific Journal of Science and Technology. 22(1): 136-153. (Keywords: synthesis, trinuclear Nd(III) salen capped complex, antimicrobial activity)
pjst22_1_136.pdf
Tachie, N.B.S, O.A. Mosunmade, B. Habila, U. Ibeneme, and K.E. Ibe. 2021. “Investigating the Effect of Alkaline-Peroxide Treatment on the Chemical Composition and Mechanical Properties of Sisal Fiber”. Pacific Journal of Science and Technology. 22(1):154-163.
(Keywords: alkaline treatment, mechanical properties, sisal fiber, FTIR, biofibers)
pjst22_1_154.pdf
Life Sciences and Medicine
Anotaenwere, C.C., P.A. Dele, B.T. Akinyemi, F.E. Enwete, J.I. Akinyode, D.S. Oyelola, O.A. Okukenu, and A.O. Jolaosho. 2021. “Effect of Soil Sampling Point and Age at Harvest on the Growth and Dry Matter Yield of Two Panicum maximum Varieties”. Pacific Journal of Science and Technology. 22(1): 164-169. (Keywords: grasses, soil, tiller, varieties, yield)
pjst22_1_164.pdf
Akinyode, J.I., P.A. Dele, B.T. Akinyemi, F.E. Enwete, C.C. Anotaenwere, and V.O.A. Ojo. 2021. “Effect of Fertilizer Rate and Age at Harvest on the Growth and Dry Matter Yield of Brachiaria ruziziensis.” Pacific Journal of Science and Technology. 22(1):170-177. (Keywords: fertilizer, grass, growth, nitrogen, yield)
pjst22_1_170.pdf
Opadotun, O.O., F.B. Olotu, K.A. Iyalabani, F.M. Bolarin, and O.A. Ogunjirin. 2021. “Optimum Drying Temperature and Treatment for Commercial Production of Cocoyam Flour”. Pacific Journal of Science and Technology. 22(1): 178-182. (Keywords: agriculture products, cocoyam, commercial production, optimum drying, treatment, utilization, post-harvest properties)
pjst22_1_178.pdf
Ofoegbu, E.C. 2021. “Effect of Leaf Extract of Psidium guajava (Guava) on the Hematological Indices of Albino Rats.” Pacific Journal of Science and Technology. 22(1): 183-189. (Keywords: haematological parameters, hematological indices, guava leaves)
pjst22_1_183.pdf
Enwete, F.E., O.S. Iyasere, P.A. Dele, B.T. Akinyemi, C.C. Anotaenwere, J.I. Akinyode, and O.S. Onifade. 2021. “Short-Term Grazing Behavior of White Fulani Calves as Affected by Grazing Cycle, Plant Spacing and Species.” Pacific Journal of Science and Technology. 22(1): 190-196. (Keywords: calves, grooming, forages, grasses, tropical)
pjst22_1_190.pdf
Nyajo, T.A., A.P. Annune, and O.V. Ayuba. 2021. “Effects of Tannic Acid on Stickiness Removal and Time of Hatching of African Catfish, Clarias gariepinus Eggs.” Pacific Journal of Science and Technology. 22(1): 197-202. (Keywords: Clarias gariepinus, concentrations, hatchability, stickiness elimination, photophilic eggs, Tannic acid)
pjst22_1_197.pdf
Peer, L.S., L. Lombo, J. Singh, and A. Mardon. 2021. “The Pet Transience During the COVID-19 Pandemic”. Pacific Journal of Science and Technology. 22(1): 203-206. (Keywords: COVID-19, animals, pets, non-human companionship, loneliness, isolation, mental health)
pjst22_1_203.pdf
Akintola, O.O., I.O. Abiola, E.K. Abodunrin, T. Adeniran, F.O. Agboola, and E.A Ekaun. 2021. “Comparative Analysis of Phytochemical Compounds in Ethanolic Extracts of Leaf, Bark, and Root of Dacryodes edulis (G. Don) and their Medicinal Importance”. Pacific Journal of Science and Technology. 22(1): 207-217. (Keywords: Dacryodes edulis, phytochemical screening, reducing sugar, tannin, saponin, flavonoids)
pjst22_1_207.pdf
Kang, N. and A.A. Mardon. 2021. “Pathogenesis of COVID-19”. Pacific Journal of Science and Technology. 22(1):218-225. (Keywords: Coronavirus, COVID-19, SARS, Severe Acute Respiratory Syndrome, pathogenesis, virus, global pandemic)
pjst22_1_218.pdf
Environmental Science and Ecology
Uzor, A.O. 2021. “Assessment of Heavy Metals in Prawn (Macrobrachium macrobrachium) along selected stations of New Calabar River, Rivers State, Nigeria”. Pacific Journal of Science and Technology. 22(1): 226-231. (Keywords: heavy metals, prawn, environmental pollution)
pjst22_1_226.pdf
Ejiogu, I.K., U. Ibeneme, and O.M. Aiyejagbara. 2021. “Degradable Polymers - The Future for Environmental Management in Nigeria: A Review”. Pacific Journal of Science and Technology. 22(1): 232-240. (Keywords: degradation, eco-friendly composite, biodegradation, plastic wastes, environment)
pjst22_1_232.pdf
Akintola, O.O., A.I. Bodede, A.T. Ademigbuji, E.A. Ekaun, and O.O. Adekoya. 2021. “Leachate Characteristics and Pollution Index Assessment of an Active Dumpsite in Ibadan, Southwestern Nigeria”. Pacific Journal of Science and Technology. 22(1): 241-253. (Keywords: leachates, active dumpsite, Leachates Pollution Index, LPI, remediation, environmental hazards)
pjst22_1_241.pdf
Nwugha, V.N., A.C. Ezebunanwa, P.I. Okeke, and A.I. Chinaka. 2021. “Environmental Implications of Leachates of Sewage Dumpsites in some parts of Owerri, Southeastern Nigeria”. Pacific Journal of Science and Technology. 22(1): 254-261. (Keywords: leachates, wastes, analysis, physio[1]chemical, ion concentration, heavy metals, pH)
pjst22_1_254.pdf
Kelle, H.I., E.C. Ogoko, P.I. Udeozo, D. Achem, and J.O. Otumala. 2021. “Health Risk Assessment of Exposure to Heavy Metals in Rice Grown in Nigeria”. Pacific Journal of Science and Technology. 22(1): 262-273. (Keywords: rice, heavy metals, estimated daily intake, hazard quotient, incremental lifetime cancer risk)
pjst22_1_262.pdf
Geology, Geophysics, and Earth Science
Akanji, A.A., A.G. Oni, and M.O. Olorunfemi. 2021. “Groundwater Prospectivity Assessment of a Field of Hand-Dug Wells in the Area Around the Murtala Muhammed Postgraduate Hall OAU, Ile-Ife, Using Geoelectric Parametric Soundings”. Pacific Journal of Science and Technology. 22(1): 274-287. (Keywords: hand-dug wells, geoelectric parametric soundings, well depths, enhanced groundwater yield)
pjst22_1_274.pdf
Olorunfemi, M.O., A.G. Oni, and T.K. Fadare. 2021. “The Use of 2D Resistivity Images to Constrain 1D Vertical Electrical Sounding (VES) Curve Interpretation for Suppression-Prone Confined Fractured Basement Column”. Pacific Journal of Science and Technology. 22(1): 288- 301. (Keywords: confined fractured basement, suppression, 2D resistivity images, ID VES, groundwater development)
pjst22_1_288.pdf
Iduseri, M.O. and O.M. Alile. 2021. “2D and 3D Electrical Resistivity Imaging (ERI) for Erosion Vulnerability and Subsurface Characterization for Engineering Constructions and Groundwater Potential in Owanoba and Obaretin Areas of Edo State, South-South Nigeria”. Pacific Journal of Science and Technology. 22(1): 302-316. (Keywords: stratification, engineering constructions, depth slice, clayey sand, Obaretin)
pjst22_1_302.pdf
Ajayi, O., C.I. Konwea, and O.B. Ogunjobi. 2021. “Geotechnical Assessment of the Residual Soils Beneath the Ile-Ife – Ilesha Bypass Road Pavement, Southwestern Nigeria”. Pacific Journal of Science and Technology. 22(1): 317-326. Keywords: geotechnical properties, Atterberg consistency limits, grain size distribution, CBR test, soil classification)
pjst22_1_317.pdf
Anyadiegwu, F.C., M.O. Eze, D.E. Azunna, C.Y. Ahamefule, and V.C. Obi. 2021. “Depositional Environment of Red Field in Niger-Delta, Nigeria, Obtained from Gamma Ray Log”. Pacific Journal of Science and Technology. 22(1): 327-335. (Keywords: gamma ray log, facies, depositional environment, sand, shale)
pjst22_1_327.pdf
Volume 21, Number 2 (November/December 2020)
Engineering and Material Science
Oladebeye, D.H., S.B. Adejuyigbe, and S.P. Ayodeji. 2020. “Statistical Comparative Analyses of the Effects of Welding Processes on Break Point and Modulus of Elasticity Properties of Welded Mild Steel Plates”. Pacific Journal of Science and Technology. 21(2):5-11. (Keywords: welding processes, break point, modulus of elasticity, mild steel, statistical analysis)
pjst21_2_5.pdf
Oladebeye, D.H., S.B. Adejuyigbe, and A.A.G. Olorunnishola. 2020. “The Development of Computer Program for the Welding Interface of the Developed Welding Mini-Robot”. Pacific Journal of Science and Technology. 21(2):12-28. (Keywords: computer program, welding interface, welding, mini-robot, manual arc welding)
pjst21_2_12.pdf
Oladebeye, D.H., E.R. Adefidipe, and M.O. Ibiwoye. 2020. “Effect of Permanent and Squeeze Casting Methods on Impact and Fatigue Properties of Cast 6063 Aluminum Rods”. Pacific Journal of Science and Technology. 21(2):29-35. (Keywords: permanent mould, squeeze cast mould, impact properties, fatigue properties, cast rods)
pjst21_2_29.pdf
Folorunsho, O.W. and A.N. Amadi. 2020. “Production of Pavement Blocks from Plastic Waste”. Pacific Journal of Science and Technology. 21(2):36-43.
(Keywords: pavement blocks, geomaterials, engineering properties, Lagos, Nigria)
pjst21_2_36.pdf
Johnson, P.A., J.C. Johnson, S. Zirnov, R. Witiw, G. Zhou, and A.A. Mardon. 2020. “On the In Situ Utilization of Sulfur-Based Concrete on the Lunar Surface”. Pacific Journal of Science and Technology. 21(2):44-47. (Keywords: in situ resource utilization, ISRU, space exploration, space colonization, space construction Lunar exploration, extraterrestrial resource exploitation, lunar concrete)
pjst21_2_44.pdf
Shoewu, O.O., O.J. Ayangbekun, and D.O. Olayinka. 2020. “An Intelligent Walking Stick for the Blind in Indoor Environment”. Pacific Journal of Science and Technology. 21(2):48-52. (Keywords: blind, visually impaired, walking, sensor, stick, system, adaptive technologies)
pjst21_2_48.pdf
Shoewu, O.O., O.J. Ayangbekun, and K.O. Odo. 2020. “Development of a Smart Bin for Garbage Level Detection”. Pacific Journal of Science and Technology. 21(2):53-58. (Keywords: dustbin, garbage, dumpster, IoT, sensor, smart, solid waste management, residential waste)
pjst21_2_53.pdf
Shoewu, O.O., L.A. Akinyemi, R.A. Lawal, and O.R. Otagburuagu. 2020. “Enhanced Smart Biometric Based Attendance (ES2BASYS) System Interfaced with POS Facility for a Smart Academic Institution”. Pacific Journal of Science and Technology. 21(2):59-70. (Keywords: class, campus, design, module, POS, attendance management)
pjst21_2_59.pdf
Ogbebor, O.E. and R.S. Ebhojiaye. 2020. “Design and Fabrication of a Detachable Motorcycle Trailer Combination”. Pacific Journal of Science and Technology. 21(2):71-79. (Keywords: motorcycle, trailer, drawbar pull, tongue, hitch rod)
pjst21_2_71.pdf
Adeleke, A.E., T. Ogudana, S. Oyelami, and T.O. Yusuf. 2020. “Production of Biogas using Locally Fabricated Bioreactor”. Pacific Journal of Science and Technology. 21(2):80-87. (Keywords: biogas, bioreactor, cow dung, goat dung, renewable energy).
pjst21_2_80.pdf
Iorpev, T., I.C. Ozumba, F.O. Anyaeji, E.I. Eze, L.O. Ayuba, and J.A. Adebija,. 2020. “Effect of a Closed and Unclosed Rotating Drum of a Melon Seed Sheller on its Shelling Efficiency”. Pacific Journal of Science and Technology. 21(2):88-94. (Keywords: closed, melon seed, moisture content, rotating-drum, sheller, unclosed)
pjst21_2_88.pdf
Oladebeye, D.H., E.R. Adefidipe; and O. Awogbemi. 2020. “Performance Evaluation of Dewatered Cassava Mash Sieving Machine using Rotary Sweepers”. Pacific Journal of Science and Technology. 21(2):95-102. (Keywords: dewatered cassava mash, performance evaluation, sieving machine, sieving rate)
pjst21_2_95.pdf
Johnson, J.C., P.A. Johnson, S. Zirnov, C.C. Mardon, and A.A. Mardon. 2020. “Counting, Prospecting, and Analyzing Craters using Unmanned Aerial Vehicles”. Pacific Journal of Science and Technology. 21(2):103-104. (Keywords: unmanned aerial vehicles, UAV, lunar exploration, interplanetary exploration, atmospheric measurements).
pjst21_2_103.pdf
Johnson, J.C., P.A. Johnson, S. Zirnov, and A.A. Mardon. 2020. “Nanoscale Movement Detection on Martian Craters using Sophisticated Sampling Techniques”. Pacific Journal of Science and Technology. 21(2):105-106. (Keywords: extant life, movement detection, interplanetary exploration, soil sampling, Martian craters)
pjst21_2_105.pdf
Johnson, P.A., J.C. Johnson, S. Zirnov, and A.A. Mardon. 2020. “Infrared Thermal Remote Sensing to Detect Life-Sustaining Niches in Space”. Pacific Journal of Science and Technology. 21(2):107-108. (Keywords: life detection, extraterrestrial life, thermal detection, infrared detection, thermal biomarkers, remote sensing probes).
pjst21_2_107.pdf
Mardon, C., J.C. Johnson, P.A. Johnson, S. Zirnov, G. Zhou, and A.A. Mardon. 2020. “Feasibility and Practicality of Mining for Asteroids”. Pacific Journal of Science and Technology. 21(2):109-111. (Keywords: asteroid mining, in situ resource utilization, ISRU, space exploration, space economy, Mars colonization, Lunar exploration, extraterrestrial resource exploitation)
pjst21_2_109.pdf
Energy and Power
Adeleke, A.E., T. Ogudana, O.A. Sotunde, S. Oyelami, and A.E. Ogbebor. 2020. “A Cost Analysis of Renewable Energy as an Alternative Energy Source for Selected Poultry Farms in Ekiti Metropolis, Nigeria”. Pacific Journal of Science and Technology. 21(2):112-127. (Keywords: biomass cost analysis, poultry farms, renewable energy)
pjst21_2_112.pdf
Physics, Atmospheric Physics, and Health Physics
Okoye, I.F. and A.O.C. Nwokoye. 2020. “The Optical Properties of Cassiasiamea (Kassod) Plant Natural Dye-Doped Nanocrystalline -TiO2 and the Photovoltaic Efficiency On DSSC”. Pacific Journal of Science and Technology. 21(2):128- 134. (Keywords: nanocrystalline, optical, spectrophotometer, conversion, sensitized)
pjst21_2_128.pdf
Amalu, P.C. 2020. “Analysis of Error in a Very High Frequency Omni-directional Radio Range (VOR) Station in an international Airport in Nigeria”. Pacific Journal of Science and Technology. 21(2):135-143. (Keywords: VOR, NAVAIDS, base station signal, radiations, ground check error curves, maximum error, minimum error, spread geomagnetic, frequency, interference)
pjst21_2_135.pdf
Zhou, G., P.A. Johnson, J.C. Johnson, S. Zirnov, I. Oboh, D. Santhosh, and A.A. Mardon. 2020. “Exposure and Shielding from Radiation on Mars”. Pacific Journal of Science and Technology. 21(2):144-145. (Keywords: radiation assurance, ionizing radiation, space biology, radiation shielding, interplanetary exploration, human space flight)
pjst21_2_144.pdf
Mathematics and Statistics
Awogbemi, C.A. 2020. “Annotations on Discriminant Functions”. Pacific Journal of Science and Technology. 21(2):146-151. (Keywords: discriminant functions, classification statistics, classification problems, covariance matrix, probability of misclassification)
pjst21_2_146.pdf
Akintunde, A.A., S.O.N. Agwuegbo, O.M. Olayiwola, G.A. Dawodu, A.T. Soyinka, and O.A. Wale-Orojo. 2020. “Sine Diffusion Model for Nonlinear Dynamical Systems”. Pacific Journal of Science and Technology. 21(2):152-158. (Keywords: dynamical systems, stochastic differential equations, mean reversion, Euler scheme)
pjst21_2_152.pdf
Halid M.A. and A.A. Akomolafe. 2020. “Extension of Comparative Analysis of Estimation Methods for Dirichlet Distribution Parameters”. Pacific Journal of Science and Technology. 21(2):159- 169. (Keywords: Dirichlet distribution, parameter estimation, maximum likelihood estimator, method of moment estimator and quasi-likelihood estimator)
pjst21_2_159.pdf
Folounso, O.P., A.A. Akomolafe, and A.S. Ajiboye. 2020. “Extension of Transmuted HalfNormal Distribution Properties and Its Application”. Pacific Journal of Science and Technology. 21(2):388-401. (Keywords: transmuted halfnormal distribution, moment, reliability function, hazard function, cumulative distribution function)
pjst21_2_388.pdf
Information Technology and Communications
Egwali, F., A. Egwali, and J. Ogene. 2020. “An Appraisal of Artform as Usable Design Elements of RGPM”. Pacific Journal of Science and Technology. 21(2):170-180. (Keywords: artform, security, graphical password, design elements, authenticate)
pjst21_2_170.pdf
Egwali, A.O. and F.C. Egwali. 2020. “Aesthetic Evaluation of Artforms in RGPM: User’s Perspective”. Pacific Journal of Science and Technology. 21(2): 181-189. (Keywords: artforms, aesthetics, design choices, usability, security, user interface, recognition-based graphical password models)
pjst21_2_181.pdf
Shoewu, O.O., O.J. Ayangbekun, M.A. Adedoyin, E. Aigbovbioise-Job, L.A. Akinyemi, and F.C. Oluwaseyi. 2020. “Design and Development of Health Centre Management System with Fingerprint Identification”. Pacific Journal of Science and Technology. 21(2):190-202.
(Keywords: biometric, ERM, fingerprint, health, healthcare records, hospital)
pjst21_2_190.pdf
Evwiekpaefe, A.E., M.M. Isa, and F. Ajakaiye. 2020. “Analyzing Factors Affecting Academic Performance of Postgraduate Students using Data Mining Techniques”. Pacific Journal of Science and Technology. 21(2):203-213. (Keywords: academic performance classifier, data mining, feature selection, NDA, Nigeria, WEKA)
pjst21_2_203.pdf
Enikuomehin, A.O. and A.A. Tijani. 2020. “Implementation of Hidden Markov Model on Lagos Nigeria Women Union (NWU) Yoruba Speech Corpus”. Pacific Journal of Science and Technology. 21(2): 214-223. (Keywords: Yoruba, corpus, POS Tagger, part of speech, NLP, natural language processing, speech synthesis, speech recognition, information retrieval)
pjst21_2_214.pdf
Management, Economics, and Education
Somoye, R.O.C., A.O. Akisanya, and K.O. Makinde. 2020. “The Impact of Corporate Governance on Auditors’ Independence of Some Selected Quoted Companies in Nigeria”. Pacific Journal of Science and Technology. 21(2):224- 234. (Keywords: corporate governance, auditors’ independence, audit committee, board size, non-executive and executive directors)
pjst21_2_224.pdf
Bolarinwa, K.K., B.G. Abiona, O. Oyekunle, and O.J. Soetan. 2020. “Job Burnout among Land, Water Conservation Personnel (LWCP) in Forestry Research Institute of Nigeria (FRIN)”. Pacific Journal of Science and Technology. 21(2):235-240. (Keywords: perceived effect, job burnout, over-commitment, job frustration, job fatigue)
pjst21_2_235.pdf
Eze, A.N. and R.O. Olawoyin. 2020. “Business Education Students’ Perception of the Skills Needed for Self-Employment in South-West Colleges of Education, Nigeria”. Pacific Journal of Science and Technology. 21(2):241-247. (Keywords: business education, self-employment, skills, students and perception)
pjst21_2_241.pdf
Emeka, I.D. and A.C. Onyebuchi. 2020. “Teachers Motivation and Job Satisfaction: A Strategy for Achieving Educational Transformation of Secondary Education in Anambra State, Nigeria”. Pacific Journal of Science and Technology. 21(2):248-254. (Keywords: motivation, job satisfaction, teacher, education)
pjst21_2_248.pdf
Babatunde, T.O., O.O. Babatunde, K.O. Babatunde, A.R. Aduloju, S.O. Okeleke, and A.A. Ekaun. 2020. “Cost and Return Structure of Some Selected Non-Timber Forest Products in Adjoining Community in Arakanga Forest Reserve in Ogun State”. Pacific Journal of Science and Technology. 21(2):255-263. (Keywords: cost returns, NTFP, non-timber forest products, communities, Arakanga, forest reserves)
pjst21_2_255.pdf
Oluwakemi, O. and B.A. Bolaji. 2020. “Determinants of Market Participation by Plantain Farmers in Ifedore Local Government Area, Ondo State, Nigeria”. Pacific Journal of Science and Technology. 21(2):264-271. (Keywords: determinants, farmers, agriculture, horticulture, plantain, market participation, Nigeria)
pjst21_2_264.pdf
Chemistry and Biochemistry
Akpomie, T.M., A.U. Augustine, S.E. Anwani, and J.I. Iorbee. 2020. “Determination of Caffeine Content in Two Varieties of Kola Nut and Some Tea Products Sold in Lafia, North Central Nigeria”. Pacific Journal of Science and Technology. 21(2):272-278. (Keywords: kola nuts, caffeine, tea, beverages, bioaccumulation)
pjst21_2_272.pdf
Otunomo. I.I. 2020. “A Review on Cnidoscolus aconifolius: Potential Therapeutic Plant”. Pacific Journal of Science and Technology. 21(2):279- 285.
(Keywords: Cnidoscolus aconitifolius, phytochemicals, therapeutic, chemical analysis, Chaya, tree spinach).
pjst21_2_279.pdf
Alum, O.L., C.E. Eledalachi, E.M. Orji, H.O. Abugu, A.C. Ofomatah, and N.C Isienyi. 2020. “Feed Analyses of Proximate Composition and Heavy Metals: A Case Study of Some Poultry Feeds Distributed in Aba, Southeastern, Nigeria”. Pacific Journal of Science and Technology. 21(2):286-292.
(Keywords: poultry feeds, proximate analysis, heavy metals, atomic absorption spectrophotometry, public health)
pjst21_2_286.pdf
Odewole, O.A. and D.I. Onidoma. 2020. “Physiochemical Properties of Ajona-Obukpa Clay Mineral for Refractory and Industrial Application”. Pacific Journal of Science and Technology. 21(2):293-301. (Keywords: Ajona-Obukpa clay, refractory, industrial use, geochemistry)
pjst21_2_293.pdf
Chokor, A.A. 2020. “Removal of Zinc and Lead Ions from Liquefied Natural Gas Flow Station Wastewater using Modified and Unmodified Water Hyacinths Biomass”. Pacific Journal of Science and Technology. 21(2):302-309. (Keywords: water hyacinth, zinc, lead, biosorbent, adsorption, single metal ions solution.)
pjst21_2_302.pdf
Life Sciences and Medicine
Akintunde, O.A. and S.A. Olayiwola. 2020. “Effect of Habitat on Diet, Morphological Parameters, and Sex Morphism of Common Wall Gecko (Hemidactylus frenatus) Abeokuta, Ogun State, Nigeria”. Pacific Journal of Science and Technology. 21(2):310-319. (Keywords: diet, habitat, location, sex, morphometry, economic importance, gecko).
pjst21_2_310.pdf
Anotaenwere, C.C., P.A. Dele, F.E. Enwete, O.A. Okukenu, T.T. Akpensuen, T. Amole, and A.O. Jolaosho. 2020. “Effect of Nitrogen Source and Phenological Stage on the in vitro Digestibility of Oba Super II Maize Fodder”. Pacific Journal of Science and Technology. 21(2):320-326.
(Keywords: in vitro, fodder, nitrogen source, phenological, livestock feed)
pjst21_2_320.pdf
Enwete, F.E., P.A. Dele, C.C. Anotaenwere, B.T. Akinyemi, Y.M. Ishiaku, A.B. Adekeye, and O.S. Onifade. 2020. “Effects of Drying Condition and Storage Length on the Physical Characteristics and In Vitro Gas Production of Megathyrsus maximus (Ntchisi) Hay”. Pacific Journal of Science and Technology. 21(2):327-331. (Keywords: digestibility, drying conditions, hay, in vitro, storage, livestock food, ruminant forage)
pjst21_2_327.pdf
Olaosebikan, A., S.A. Aderoju, and O.S. Balogun. 2020. “Modeling of Tuberculosis and Tuberculosis Co-infected with Human Immunodeficiency Virus Patents using some Parametric Survival Models”. Pacific Journal of Science and Technology. 21(2):332-340. (Keywords: survival analysis, TB, HIV co-infection, parametric, Kaplan_Meier, Cox PH)
pjst21_2_332.pdf
Park, L., J. Singh, J. Malbeuf, and A.A. Mardon. 2020. “Evaluation of Effectiveness of Digital GPS Contact Tracing Technology in Response to COVID-19”. Pacific Journal of Science and Technology. 21(2):341-345. (Keywords: digital contact-tracing, COVID-19, quarantine, testing, data privacy, dilemma, decentralized system)
pjst21_2_341.pdf
Environmental Science and Ecology
Akintunde, O.A., A.L.A. Shotuyo, T.M. Obuotor, and L.A. Ayodele. 2020. “The Impact of Location on Diet and Morphological Features of Frog (Hoplobatrachus occipitalis) in Ogun State, Nigeria”. Pacific Journal of Science and Technology. 21(2):346-359. (Keywords: amphibian, frog, abundance, location, diet, habitat, morphometry, habitat ecology)
pjst21_2_346.pdf
Godwin, O.F., Y.I. Alhaji. O.C. Chinweuba, and A.M. Olatunde. 2020. “Application of Multivariate Statistical Methods for Assessment of Sediment Quality in Selected Locations of the Flood Plain of River Kaduna in Niger State, Nigeria”. Pacific Journal of Science and Technology. 21(2):360- 370.
(Keywords: sediments, heavy metals, multivariate, Polychlorinated Biphenyls, cluster analysis)
pjst21_2_360.pdf
Babatunde, T.O., O.O. Babatunde, K.O. Babatunde, A.R. Aduloju, S.O. Okeleke, and A.A. Ekaun. 2020. “Roles of Women in Bush Meat Trade in Oluyole Local Government Area of Oyo State”. Pacific Journal of Science and Technology. 21(2):371-378. (Keywords: bush meat, game animals, animal protein, women, role, gender roles, Oluyole, challenges, environmental impact, economic impact, poaching)
pjst21_2_371.pdf
Geology, Geophysics, and Earth Science
Amadi, A.N., T.A. Umoru, O.P. Umeugochukwu, H.O. Nwankwoala, T.U.N. Sule, A.S. Oguntade, H.A. Ibrahim, and S.U. Hussaini. 2020. “Suitability of Groundwater in Auchi and Its Environs for Irrigation Purposes”. Pacific Journal of Science and Technology. 21(2):379-387. (Keywords: suitability, groundwater, irrigation purposes, physicochemical characteristics, Auchi, Edo State, Nigeria)
pjst21_2_379.pdf
Oladebeye, D.H., S.B. Adejuyigbe, and S.P. Ayodeji. 2020. “Statistical Comparative Analyses of the Effects of Welding Processes on Break Point and Modulus of Elasticity Properties of Welded Mild Steel Plates”. Pacific Journal of Science and Technology. 21(2):5-11. (Keywords: welding processes, break point, modulus of elasticity, mild steel, statistical analysis)
pjst21_2_5.pdf
Oladebeye, D.H., S.B. Adejuyigbe, and A.A.G. Olorunnishola. 2020. “The Development of Computer Program for the Welding Interface of the Developed Welding Mini-Robot”. Pacific Journal of Science and Technology. 21(2):12-28. (Keywords: computer program, welding interface, welding, mini-robot, manual arc welding)
pjst21_2_12.pdf
Oladebeye, D.H., E.R. Adefidipe, and M.O. Ibiwoye. 2020. “Effect of Permanent and Squeeze Casting Methods on Impact and Fatigue Properties of Cast 6063 Aluminum Rods”. Pacific Journal of Science and Technology. 21(2):29-35. (Keywords: permanent mould, squeeze cast mould, impact properties, fatigue properties, cast rods)
pjst21_2_29.pdf
Folorunsho, O.W. and A.N. Amadi. 2020. “Production of Pavement Blocks from Plastic Waste”. Pacific Journal of Science and Technology. 21(2):36-43.
(Keywords: pavement blocks, geomaterials, engineering properties, Lagos, Nigria)
pjst21_2_36.pdf
Johnson, P.A., J.C. Johnson, S. Zirnov, R. Witiw, G. Zhou, and A.A. Mardon. 2020. “On the In Situ Utilization of Sulfur-Based Concrete on the Lunar Surface”. Pacific Journal of Science and Technology. 21(2):44-47. (Keywords: in situ resource utilization, ISRU, space exploration, space colonization, space construction Lunar exploration, extraterrestrial resource exploitation, lunar concrete)
pjst21_2_44.pdf
Shoewu, O.O., O.J. Ayangbekun, and D.O. Olayinka. 2020. “An Intelligent Walking Stick for the Blind in Indoor Environment”. Pacific Journal of Science and Technology. 21(2):48-52. (Keywords: blind, visually impaired, walking, sensor, stick, system, adaptive technologies)
pjst21_2_48.pdf
Shoewu, O.O., O.J. Ayangbekun, and K.O. Odo. 2020. “Development of a Smart Bin for Garbage Level Detection”. Pacific Journal of Science and Technology. 21(2):53-58. (Keywords: dustbin, garbage, dumpster, IoT, sensor, smart, solid waste management, residential waste)
pjst21_2_53.pdf
Shoewu, O.O., L.A. Akinyemi, R.A. Lawal, and O.R. Otagburuagu. 2020. “Enhanced Smart Biometric Based Attendance (ES2BASYS) System Interfaced with POS Facility for a Smart Academic Institution”. Pacific Journal of Science and Technology. 21(2):59-70. (Keywords: class, campus, design, module, POS, attendance management)
pjst21_2_59.pdf
Ogbebor, O.E. and R.S. Ebhojiaye. 2020. “Design and Fabrication of a Detachable Motorcycle Trailer Combination”. Pacific Journal of Science and Technology. 21(2):71-79. (Keywords: motorcycle, trailer, drawbar pull, tongue, hitch rod)
pjst21_2_71.pdf
Adeleke, A.E., T. Ogudana, S. Oyelami, and T.O. Yusuf. 2020. “Production of Biogas using Locally Fabricated Bioreactor”. Pacific Journal of Science and Technology. 21(2):80-87. (Keywords: biogas, bioreactor, cow dung, goat dung, renewable energy).
pjst21_2_80.pdf
Iorpev, T., I.C. Ozumba, F.O. Anyaeji, E.I. Eze, L.O. Ayuba, and J.A. Adebija,. 2020. “Effect of a Closed and Unclosed Rotating Drum of a Melon Seed Sheller on its Shelling Efficiency”. Pacific Journal of Science and Technology. 21(2):88-94. (Keywords: closed, melon seed, moisture content, rotating-drum, sheller, unclosed)
pjst21_2_88.pdf
Oladebeye, D.H., E.R. Adefidipe; and O. Awogbemi. 2020. “Performance Evaluation of Dewatered Cassava Mash Sieving Machine using Rotary Sweepers”. Pacific Journal of Science and Technology. 21(2):95-102. (Keywords: dewatered cassava mash, performance evaluation, sieving machine, sieving rate)
pjst21_2_95.pdf
Johnson, J.C., P.A. Johnson, S. Zirnov, C.C. Mardon, and A.A. Mardon. 2020. “Counting, Prospecting, and Analyzing Craters using Unmanned Aerial Vehicles”. Pacific Journal of Science and Technology. 21(2):103-104. (Keywords: unmanned aerial vehicles, UAV, lunar exploration, interplanetary exploration, atmospheric measurements).
pjst21_2_103.pdf
Johnson, J.C., P.A. Johnson, S. Zirnov, and A.A. Mardon. 2020. “Nanoscale Movement Detection on Martian Craters using Sophisticated Sampling Techniques”. Pacific Journal of Science and Technology. 21(2):105-106. (Keywords: extant life, movement detection, interplanetary exploration, soil sampling, Martian craters)
pjst21_2_105.pdf
Johnson, P.A., J.C. Johnson, S. Zirnov, and A.A. Mardon. 2020. “Infrared Thermal Remote Sensing to Detect Life-Sustaining Niches in Space”. Pacific Journal of Science and Technology. 21(2):107-108. (Keywords: life detection, extraterrestrial life, thermal detection, infrared detection, thermal biomarkers, remote sensing probes).
pjst21_2_107.pdf
Mardon, C., J.C. Johnson, P.A. Johnson, S. Zirnov, G. Zhou, and A.A. Mardon. 2020. “Feasibility and Practicality of Mining for Asteroids”. Pacific Journal of Science and Technology. 21(2):109-111. (Keywords: asteroid mining, in situ resource utilization, ISRU, space exploration, space economy, Mars colonization, Lunar exploration, extraterrestrial resource exploitation)
pjst21_2_109.pdf
Energy and Power
Adeleke, A.E., T. Ogudana, O.A. Sotunde, S. Oyelami, and A.E. Ogbebor. 2020. “A Cost Analysis of Renewable Energy as an Alternative Energy Source for Selected Poultry Farms in Ekiti Metropolis, Nigeria”. Pacific Journal of Science and Technology. 21(2):112-127. (Keywords: biomass cost analysis, poultry farms, renewable energy)
pjst21_2_112.pdf
Physics, Atmospheric Physics, and Health Physics
Okoye, I.F. and A.O.C. Nwokoye. 2020. “The Optical Properties of Cassiasiamea (Kassod) Plant Natural Dye-Doped Nanocrystalline -TiO2 and the Photovoltaic Efficiency On DSSC”. Pacific Journal of Science and Technology. 21(2):128- 134. (Keywords: nanocrystalline, optical, spectrophotometer, conversion, sensitized)
pjst21_2_128.pdf
Amalu, P.C. 2020. “Analysis of Error in a Very High Frequency Omni-directional Radio Range (VOR) Station in an international Airport in Nigeria”. Pacific Journal of Science and Technology. 21(2):135-143. (Keywords: VOR, NAVAIDS, base station signal, radiations, ground check error curves, maximum error, minimum error, spread geomagnetic, frequency, interference)
pjst21_2_135.pdf
Zhou, G., P.A. Johnson, J.C. Johnson, S. Zirnov, I. Oboh, D. Santhosh, and A.A. Mardon. 2020. “Exposure and Shielding from Radiation on Mars”. Pacific Journal of Science and Technology. 21(2):144-145. (Keywords: radiation assurance, ionizing radiation, space biology, radiation shielding, interplanetary exploration, human space flight)
pjst21_2_144.pdf
Mathematics and Statistics
Awogbemi, C.A. 2020. “Annotations on Discriminant Functions”. Pacific Journal of Science and Technology. 21(2):146-151. (Keywords: discriminant functions, classification statistics, classification problems, covariance matrix, probability of misclassification)
pjst21_2_146.pdf
Akintunde, A.A., S.O.N. Agwuegbo, O.M. Olayiwola, G.A. Dawodu, A.T. Soyinka, and O.A. Wale-Orojo. 2020. “Sine Diffusion Model for Nonlinear Dynamical Systems”. Pacific Journal of Science and Technology. 21(2):152-158. (Keywords: dynamical systems, stochastic differential equations, mean reversion, Euler scheme)
pjst21_2_152.pdf
Halid M.A. and A.A. Akomolafe. 2020. “Extension of Comparative Analysis of Estimation Methods for Dirichlet Distribution Parameters”. Pacific Journal of Science and Technology. 21(2):159- 169. (Keywords: Dirichlet distribution, parameter estimation, maximum likelihood estimator, method of moment estimator and quasi-likelihood estimator)
pjst21_2_159.pdf
Folounso, O.P., A.A. Akomolafe, and A.S. Ajiboye. 2020. “Extension of Transmuted HalfNormal Distribution Properties and Its Application”. Pacific Journal of Science and Technology. 21(2):388-401. (Keywords: transmuted halfnormal distribution, moment, reliability function, hazard function, cumulative distribution function)
pjst21_2_388.pdf
Information Technology and Communications
Egwali, F., A. Egwali, and J. Ogene. 2020. “An Appraisal of Artform as Usable Design Elements of RGPM”. Pacific Journal of Science and Technology. 21(2):170-180. (Keywords: artform, security, graphical password, design elements, authenticate)
pjst21_2_170.pdf
Egwali, A.O. and F.C. Egwali. 2020. “Aesthetic Evaluation of Artforms in RGPM: User’s Perspective”. Pacific Journal of Science and Technology. 21(2): 181-189. (Keywords: artforms, aesthetics, design choices, usability, security, user interface, recognition-based graphical password models)
pjst21_2_181.pdf
Shoewu, O.O., O.J. Ayangbekun, M.A. Adedoyin, E. Aigbovbioise-Job, L.A. Akinyemi, and F.C. Oluwaseyi. 2020. “Design and Development of Health Centre Management System with Fingerprint Identification”. Pacific Journal of Science and Technology. 21(2):190-202.
(Keywords: biometric, ERM, fingerprint, health, healthcare records, hospital)
pjst21_2_190.pdf
Evwiekpaefe, A.E., M.M. Isa, and F. Ajakaiye. 2020. “Analyzing Factors Affecting Academic Performance of Postgraduate Students using Data Mining Techniques”. Pacific Journal of Science and Technology. 21(2):203-213. (Keywords: academic performance classifier, data mining, feature selection, NDA, Nigeria, WEKA)
pjst21_2_203.pdf
Enikuomehin, A.O. and A.A. Tijani. 2020. “Implementation of Hidden Markov Model on Lagos Nigeria Women Union (NWU) Yoruba Speech Corpus”. Pacific Journal of Science and Technology. 21(2): 214-223. (Keywords: Yoruba, corpus, POS Tagger, part of speech, NLP, natural language processing, speech synthesis, speech recognition, information retrieval)
pjst21_2_214.pdf
Management, Economics, and Education
Somoye, R.O.C., A.O. Akisanya, and K.O. Makinde. 2020. “The Impact of Corporate Governance on Auditors’ Independence of Some Selected Quoted Companies in Nigeria”. Pacific Journal of Science and Technology. 21(2):224- 234. (Keywords: corporate governance, auditors’ independence, audit committee, board size, non-executive and executive directors)
pjst21_2_224.pdf
Bolarinwa, K.K., B.G. Abiona, O. Oyekunle, and O.J. Soetan. 2020. “Job Burnout among Land, Water Conservation Personnel (LWCP) in Forestry Research Institute of Nigeria (FRIN)”. Pacific Journal of Science and Technology. 21(2):235-240. (Keywords: perceived effect, job burnout, over-commitment, job frustration, job fatigue)
pjst21_2_235.pdf
Eze, A.N. and R.O. Olawoyin. 2020. “Business Education Students’ Perception of the Skills Needed for Self-Employment in South-West Colleges of Education, Nigeria”. Pacific Journal of Science and Technology. 21(2):241-247. (Keywords: business education, self-employment, skills, students and perception)
pjst21_2_241.pdf
Emeka, I.D. and A.C. Onyebuchi. 2020. “Teachers Motivation and Job Satisfaction: A Strategy for Achieving Educational Transformation of Secondary Education in Anambra State, Nigeria”. Pacific Journal of Science and Technology. 21(2):248-254. (Keywords: motivation, job satisfaction, teacher, education)
pjst21_2_248.pdf
Babatunde, T.O., O.O. Babatunde, K.O. Babatunde, A.R. Aduloju, S.O. Okeleke, and A.A. Ekaun. 2020. “Cost and Return Structure of Some Selected Non-Timber Forest Products in Adjoining Community in Arakanga Forest Reserve in Ogun State”. Pacific Journal of Science and Technology. 21(2):255-263. (Keywords: cost returns, NTFP, non-timber forest products, communities, Arakanga, forest reserves)
pjst21_2_255.pdf
Oluwakemi, O. and B.A. Bolaji. 2020. “Determinants of Market Participation by Plantain Farmers in Ifedore Local Government Area, Ondo State, Nigeria”. Pacific Journal of Science and Technology. 21(2):264-271. (Keywords: determinants, farmers, agriculture, horticulture, plantain, market participation, Nigeria)
pjst21_2_264.pdf
Chemistry and Biochemistry
Akpomie, T.M., A.U. Augustine, S.E. Anwani, and J.I. Iorbee. 2020. “Determination of Caffeine Content in Two Varieties of Kola Nut and Some Tea Products Sold in Lafia, North Central Nigeria”. Pacific Journal of Science and Technology. 21(2):272-278. (Keywords: kola nuts, caffeine, tea, beverages, bioaccumulation)
pjst21_2_272.pdf
Otunomo. I.I. 2020. “A Review on Cnidoscolus aconifolius: Potential Therapeutic Plant”. Pacific Journal of Science and Technology. 21(2):279- 285.
(Keywords: Cnidoscolus aconitifolius, phytochemicals, therapeutic, chemical analysis, Chaya, tree spinach).
pjst21_2_279.pdf
Alum, O.L., C.E. Eledalachi, E.M. Orji, H.O. Abugu, A.C. Ofomatah, and N.C Isienyi. 2020. “Feed Analyses of Proximate Composition and Heavy Metals: A Case Study of Some Poultry Feeds Distributed in Aba, Southeastern, Nigeria”. Pacific Journal of Science and Technology. 21(2):286-292.
(Keywords: poultry feeds, proximate analysis, heavy metals, atomic absorption spectrophotometry, public health)
pjst21_2_286.pdf
Odewole, O.A. and D.I. Onidoma. 2020. “Physiochemical Properties of Ajona-Obukpa Clay Mineral for Refractory and Industrial Application”. Pacific Journal of Science and Technology. 21(2):293-301. (Keywords: Ajona-Obukpa clay, refractory, industrial use, geochemistry)
pjst21_2_293.pdf
Chokor, A.A. 2020. “Removal of Zinc and Lead Ions from Liquefied Natural Gas Flow Station Wastewater using Modified and Unmodified Water Hyacinths Biomass”. Pacific Journal of Science and Technology. 21(2):302-309. (Keywords: water hyacinth, zinc, lead, biosorbent, adsorption, single metal ions solution.)
pjst21_2_302.pdf
Life Sciences and Medicine
Akintunde, O.A. and S.A. Olayiwola. 2020. “Effect of Habitat on Diet, Morphological Parameters, and Sex Morphism of Common Wall Gecko (Hemidactylus frenatus) Abeokuta, Ogun State, Nigeria”. Pacific Journal of Science and Technology. 21(2):310-319. (Keywords: diet, habitat, location, sex, morphometry, economic importance, gecko).
pjst21_2_310.pdf
Anotaenwere, C.C., P.A. Dele, F.E. Enwete, O.A. Okukenu, T.T. Akpensuen, T. Amole, and A.O. Jolaosho. 2020. “Effect of Nitrogen Source and Phenological Stage on the in vitro Digestibility of Oba Super II Maize Fodder”. Pacific Journal of Science and Technology. 21(2):320-326.
(Keywords: in vitro, fodder, nitrogen source, phenological, livestock feed)
pjst21_2_320.pdf
Enwete, F.E., P.A. Dele, C.C. Anotaenwere, B.T. Akinyemi, Y.M. Ishiaku, A.B. Adekeye, and O.S. Onifade. 2020. “Effects of Drying Condition and Storage Length on the Physical Characteristics and In Vitro Gas Production of Megathyrsus maximus (Ntchisi) Hay”. Pacific Journal of Science and Technology. 21(2):327-331. (Keywords: digestibility, drying conditions, hay, in vitro, storage, livestock food, ruminant forage)
pjst21_2_327.pdf
Olaosebikan, A., S.A. Aderoju, and O.S. Balogun. 2020. “Modeling of Tuberculosis and Tuberculosis Co-infected with Human Immunodeficiency Virus Patents using some Parametric Survival Models”. Pacific Journal of Science and Technology. 21(2):332-340. (Keywords: survival analysis, TB, HIV co-infection, parametric, Kaplan_Meier, Cox PH)
pjst21_2_332.pdf
Park, L., J. Singh, J. Malbeuf, and A.A. Mardon. 2020. “Evaluation of Effectiveness of Digital GPS Contact Tracing Technology in Response to COVID-19”. Pacific Journal of Science and Technology. 21(2):341-345. (Keywords: digital contact-tracing, COVID-19, quarantine, testing, data privacy, dilemma, decentralized system)
pjst21_2_341.pdf
Environmental Science and Ecology
Akintunde, O.A., A.L.A. Shotuyo, T.M. Obuotor, and L.A. Ayodele. 2020. “The Impact of Location on Diet and Morphological Features of Frog (Hoplobatrachus occipitalis) in Ogun State, Nigeria”. Pacific Journal of Science and Technology. 21(2):346-359. (Keywords: amphibian, frog, abundance, location, diet, habitat, morphometry, habitat ecology)
pjst21_2_346.pdf
Godwin, O.F., Y.I. Alhaji. O.C. Chinweuba, and A.M. Olatunde. 2020. “Application of Multivariate Statistical Methods for Assessment of Sediment Quality in Selected Locations of the Flood Plain of River Kaduna in Niger State, Nigeria”. Pacific Journal of Science and Technology. 21(2):360- 370.
(Keywords: sediments, heavy metals, multivariate, Polychlorinated Biphenyls, cluster analysis)
pjst21_2_360.pdf
Babatunde, T.O., O.O. Babatunde, K.O. Babatunde, A.R. Aduloju, S.O. Okeleke, and A.A. Ekaun. 2020. “Roles of Women in Bush Meat Trade in Oluyole Local Government Area of Oyo State”. Pacific Journal of Science and Technology. 21(2):371-378. (Keywords: bush meat, game animals, animal protein, women, role, gender roles, Oluyole, challenges, environmental impact, economic impact, poaching)
pjst21_2_371.pdf
Geology, Geophysics, and Earth Science
Amadi, A.N., T.A. Umoru, O.P. Umeugochukwu, H.O. Nwankwoala, T.U.N. Sule, A.S. Oguntade, H.A. Ibrahim, and S.U. Hussaini. 2020. “Suitability of Groundwater in Auchi and Its Environs for Irrigation Purposes”. Pacific Journal of Science and Technology. 21(2):379-387. (Keywords: suitability, groundwater, irrigation purposes, physicochemical characteristics, Auchi, Edo State, Nigeria)
pjst21_2_379.pdf
Volume 21, Number 1 (May/June 2020)
Engineering and Material Science
Eze, U.E., A.I. Ali, E.C. Ugwuoke, O.P. Emeka, and I. Ofili. 2020. “Solar Desalination of Water Collected from River Niger for Domestic Purposes”. Pacific Journal of Science and Technology. 21(1):5-12. (Keywords: desalination, river water, purification, solar energy, distillate)
pjst21_1_5.pdf
Johnson, J.C., P.A. Johnson, R. Witiw, and A.A. Mardon,. 2020. “Design and Development of Reusable Facial Deactivation Masks for COVID19”. Pacific Journal of Science and Technology. 21(1):13-15. (Keywords: deactivation system, protective mask, personal protective equipment, PPE, sodium chloride, coronavirus, respirator mask)
pjst21_1_13.pdf
Johnson, P.A., J.C. Johnson, R. Witiw, and A.A. Mardon. 2020. “An Ionic Wind-Based Propulsion System for Space Transport”. Pacific Journal of Science and Technology. 21(1):16-17. (Keywords: ionic wind propulsion, aircraft propulsion, interplanetary exploration, transport)
pjst21_1_16.pdf
Johnson, J.C., P.A. Johnson, and A.A. Mardon. 2020. “Remote Sensing Elemental Composition Analysis Technology for Analysis of Microorganisms In Outer Space”. Pacific Journal of Science and Technology. 21(1):18-19. (Keywords: extant life, Mars, remote sensing, biomarkers, nano-scale vibration sensors, microorganisms)
pjst21_1_18.pdf
Energy and Power
Ugada, C.M., N.S. Ugwuanyi, and I.O. Ozioko. 2020. “Transmission Line Fault Detection using Prony Method: A Case Study of Nigerian 330kV Network”. Pacific Journal of Science and Technology. 21(1):20-29. (Keywords: distance relay, fault detection, power systems, Prony method, transmission line)
pjst21_1_20.pdf
Ofili, I., A.I. Ali, O.P. Emeka, E.C. Ugwuoke, and U.E. Eze. 2020. “Biogas Production from Anaerobic Digestion of Food Waste Generated in Enugu Metropolis”. Pacific Journal of Science and Technology. 21(1):30-37. (Keywords: food waste, biogas, digester, inoculum, energy)
pjst21_1_30.pdf
Johnson, P.A., J.C. Johnson, R. Witiw, and A.A. Mardon. 2020. “Mirrors for Harnessing Solar Energy on the Moon”. Pacific Journal of Science and Technology. 21(1):38-39. (Keywords: space-based solar power, lunar exploration, solar arrays, solar irradiation, peaks of eternal light, PEL)
pjst21_1_38.pdf
Physics, Atmospheric Physics, and Health Physics
Nworie, S.I. and E.I. Ugwu. 2020. “Study of the Optical Characteristics of Aluminum Doped ZnO Thin Film”. Pacific Journal of Science and Technology. 21(1):40-44. (Keywords: zinc oxide, ZnO, aluminum, Al, influence, doping, thin film, chemical bath deposition, optical properties, band gap, semiconductors)
pjst21_1_40.pdf
Ugwu, E.I. 2020. “Comparative Study on the Influence of Different Growth Mechanisms on the Structural and Optical Properties of Aluminum Doped Zinc Oxide Thin Film, AlZnO”. Pacific Journal of Science and Technology. 21(1):45-51. (Keywords: zinc oxide, ZnO, aluminum, Al, doping influence, thin film, deposition methods, structural and optical properties, semiconductors)
pjst21_1_45.pdf
Dawodu, G.A., A.O. Mustapha, and O.M. Olayiwola. 2020. “Radon Concentration using Zero Inflated Negative Binomial (ZINB) Modeling”. Pacific Journal of Science and Technology. 21(1):52-62. (Keywords: temperature, relative humidity, pressure, time, radon concentration, R, ZINB, logit, bootstrapping)
pjst21_1_52.pdf
Ojo, O.A. and P.A. Oluwafisoye. 2020. “Investigation of Radionuclide Concentration on an Agricultural Farm at Osun State University, Ejigbo Campus”. Pacific Journal of Science and Technology. 21(1):63-66. (Keywords: radionuclides, agricultural farm, farmlands, fish-ponds, gamma radiation, concentration, sodium iodide, health physics)
pjst21_1_63.pdf
Mathematics and Statistics
Alkali, A.M., D. Umar, S. Adamu, and T.P. Pantuvo. 2020. “A Two-Step Hybrid Nonlinear Multistep Method for the Solution of Stiff and Singular First Order Initial Value Problems”. Pacific Journal of Science and Technology. 21(1):67-75. (Keywords: rational approximate solution, interpolation, collocation, stiff problems, singular problems, convergent)
pjst21_1_67.pdf
Alkali, A.M., D. Umar, A.I. Ahmad, and S. Timothy. 2020. “Extended Three-Step Iterative Method for Solving System of Nonlinear Equations”. Pacific Journal of Science and Technology. 21(1):76-81. (Keywords: nonlinear equations, iterative method, convergence)
pjst21_1_76.pdf
Oyedepo, T., A.F. Adebisi, O.A. Uwaheren, C.Y. Ishola, S. Amadiegwu, and T. Latunde. 2020. “Least Squares Technique for Solving Volterra Fractional Integro-Differential Equations Based on Constructed Orthogonal Polynomials”. Pacific Journal of Science and Technology. 21(1):82-92. (Keywords: orthogonal polynomial; standard least squares, numerical method)
pjst21_1_82.pdf
Agwuegbo, S.O.N, E.E. Onugha, and A.A. Akintunde. 2020. “Modeling Chaotic Time Series using Stochastic Differential Equation”. Pacific Journal of Science and Technology. 21(1):93-100. (Keywords: Langevin equation, stochastic differentia equation, Ornstein-Uhlenbeck process, dependent time series model)
pjst21_1_93.pdf
Azuaba, E., R.A. Azeez, and J.M. Orverem. 2020. “Reff a Function of Drug Therapy and Treatment in the Mathematical Model of Malaria Disease Dynamics”. Pacific Journal of Science and Technology. 21(1):101-110. (Keywords: effective reproductive number, malaria disease, drug therapy, treatment, sensitivity)
pjst21_1_101.pdf
Alhassan, A., A.A. Momoh, S.A. Abdullahi, and D. Umar. 2020. “Optimal Control Analysis on the Transmission Dynamics of Hepatitis C Virus Infection with Asymptomatic Carriers”. Pacific Journal of Science and Technology. 21(1):111-120. (Keywords: transmission, acute, chronic, hepatitis, control, strategy, disease, infection, protection, treatment, susceptible, recovered)
pjst21_1_111.pdf
Dawodu, G.A., I.A. Ogunsola, and O.E. Asiribo. 2020. “Hierarchical Clustering and the Determination of Maturity in Trees”. Pacific Journal of Science and Technology. 21(1):121-127. (Keywords: Euclidean, forest management, girth, hierarchical clustering, tree harvesting)
pjst21_1_121.pdf
Information Technology and Communications
Chidi, E.M. and I.B. Asianuba. 2020. “Mitigating the Problem of Dispersion in Optical Fiber Communication Link”. Pacific Journal of Science and Technology. 21(1):128-137. (Keywords: communication, dispersion compensation fiber, EDFA, Fiber Bragg Grating, OSNR, bit error rate, Q- factor)
pjst21_1_128.pdf
Asianuba, I. and C. Nwabueze. 2020. “Reduction of Micro-Bending Losses in Fiber Optic Communication System”. Pacific Journal of Science and Technology. 21(1):138-149. (Keywords: throughput, micro-bend, refractive index, fiber channel, optical losses, fiber clad, fiber fore)
pjst21_1_138.pdf
Management, Economics, and Education
Ogbechi, A.D., B.N. Dixon-Ogbechi, and H.C.Halim. 2020. “An Assessment of Strategic Marketing Planning and Sustainable Corporate Performance of Insurance Organization in Nigeria”. Pacific Journal of Science and Technology. 21(1):150-160. (Keywords: strategic marketing, planning, strategic planning, marketing strategy, sustainable corporate performance)
pjst21_1_150.pdf
Sharma, N.K., D. Capogrossi, H. Mendon, and N. Ray. 2020. “Indian Money, Capital, and Stock Markets and Their Important Segments”. Pacific Journal of Science and Technology. 21(1):161-169. (Keywords: India, national economy, money market, capital market, stock market)
pjst21_1_161.pdf
Sharma, N.K., D. Capogrossi, H. Mendon, and N. Ray. 2020. “History of Scams, Corruptions, and Low Financial Literacy in Indian Stock, Capital, and Money Markets”. Pacific Journal of Science and Technology. 21(1):170-178. (Keywords: India, national economy, money market, capital market, stock market, fraud, scam, corruption)
pjst21_1_170.pdf
Sharma, N.K., D. Capogrossi, H. Mendon, and N. Ray. 2020. “Effective Management of the Capital Market Investment Strategies or Small Investors – Research Conclusions”. Pacific Journal of Science and Technology. 21(1):179-187. (Keywords: investors, investments, primary markets, secondary markets, corruption, financial literacy)
pjst21_1_179.pdf
Ikuelogbon, O.J., E.C. Nzeakor, and E.O. Ikuelogbon. 2020. “Entrepreneurship Skills Required by Head Teachers for Practicing Entrepreneurship at Retirement in Ekiti State”. Pacific Journal of Science and Technology. 21(1):188-195. (Keywords: entrepreneurship education, retirement, coping skills, Ekiti State)
pjst21_1_188.pdf
Ayolugbe, C.J., O.J. Ikuelogbon; and I.O. Odo. 2020. “Extent of Utilization of Instructional Materials in Teaching and Learning of Marketing in Secondary Schools in Nsukka Education Zone”. Pacific Journal of Science and Technology. 21(1):196-203. (Keywords: instructional materials, marketing, utilization, teaching and learning)
pjst21_1_196.pdf
Salami, S.S., J.A. Mafikuyomi, and T.A. Ogundare. 2020. “Competencies Required by Business Education Students in Acquisition of Entrepreneurial Skills for Job Security in Nigeria”. Pacific Journal of Science and Technology. 21(1):204-210. (Keywords: entrepreneur, skills, job security, business education)
pjst21_1_204.pdf
Olawoyin, R.O. 2020. “Self-Employment Skills Needed by Business Education Students in Colleges of Education in Southwest Nigeria for National Development”. Pacific Journal of Science and Technology. 21(1):211-218. (Keywords: business education students, self employment skills, education to work, colleges of education, Nigerian education system)
pjst21_1_211.pdf
Chemistry and Biochemistry
Ayoola, A.A., D.A. Ekunseitan, S.B. Muhammad, M.A. Oguntoye, and Y.A. Adejola. 2020. “Phytochemicals Analysis and GC-MS Determination of Ethanolic Extracts of Azadirachta indica and Mangifera indica Stem Bark and their Biological Potentials”. Pacific Journal of Science and Technology. 21(1):219-229. (Keywords: phytochemicals, active ingredient, ethanolic extract, biological activities)
pjst21_1_219.pdf
Life Sciences and Medicine
Oguntade, D.O., B.M. Ilori, T. Oyeniyi, and S.O. Durosaro. 2020. “Repeatability Estimates of Body Weight and Linear Body Measurements of Improved Indigenous and Exotic Meat Type Chickens Reared in the Tropics”. Pacific Journal of Science and Technology. 21(1):230-238. (Keywords: conformational traits, Anak titan, exotic, improved indigenous, FUNAAB alpha repeatability, chicken).
pjst21_1_230.pdf
Kehinde, A.S., P.C. Aguihe, and B.T. Oluwasola. 2020. “Effect of Differential Fermented Periods of Cooked Shea Butter Cake on Hematological and Serum Biochemical Indices of Broiler Chicks”. Pacific Journal of Science and Technology. 21(1):239-246. (Keywords: shea butter cake, fermentation periods, hematology, serum biochemistry, broiler)
pjst21_1_239.pdf
Kehinde, A.S., T.O. Babatunde, and O.J. Kehinde. 2020. “Performance and Economics of Production of Broiler Chicks Fed on Diets with Different Levels of Protein”. Pacific Journal of Science and Technology. 21(1):247-252. (Keywords: protein, profitability, growth, broiler chicks)
pjst21_1_247.pdf
Kehinde, A.S., T. Babatunde, and O.J. Kehinde. 2020. “Growth Performance, Qualitative and Economic Evaluation of Snails (Archachatina marginata) Fed Cassava Byproducts”. Pacific Journal of Science and Technology. 21(1):253-259. (Keywords: haemolymph, snail meat, cassava byproducts, carcass yield)
pjst21_1_253.pdf
Kehinde, A.S., T.O. Babatunde, and O.J. Kehinde. 2020. “Nutritional and Mineral Evaluation of Meat and Haemolymph of African Land Snail (Archachatina marginata Swainson)”. Pacific Journal of Science and Technology. 21(1):260-264. (Keywords: snail, mineral elements, proximate composition, haemolymph)
pjst21_1_260.pdf
Ekpiwre, V., H. Godwin; and R. Faith. 2020. “Seroprevalence of Chlamydia trachomatis Among HIV Patients Attending Faith Alive Hospital, Jos, Plateau State”. Pacific Journal of Science and Technology. 21(1):265-273. (Keywords: sexually transmitted infections, HIV, Chlamydia, Jos, Nigeria, risk factors, coinfection)
pjst21_1_265.pdf
Johnson, J.C., P.A. Johnson, and A.A. Mardon. 2020. Development of a Mechanical Strain Device to Prevent Microgravity-Induced Bone Loss”. Pacific Journal of Science and Technology. 21(1):274-275. (Keywords: bone mass, mechanical strain device, microgravity, space flight biology, osteoporosis)
pjst21_1_274.pdf
Johnson, J.C., P.A. Johnson, and A.A. Mardon. 2020. “Detecting Biosignatures for Chemosynthetic Life Forms on Mars Using Geological Mapping Data”. Pacific Journal of Science and Technology. 21(1):276-279. (Keywords: extant life, Mars, remote sensing, biomarkers, Martian geological data)
pjst21_1_276.pdf
Environmental Science and Ecology
Amadi, A.N. B.O. Udoh, T.M. Ozoji, W.G. Akande, I. Shaibu, M.A. Dan-Hassan, S.U. Hussaini, and A.S. Oguntade. 2020. “Quality Assessment of Groundwater in Parts of Niger Delta, Southern Nigeria using Metal Pollution Index and Factor Analysis”. Pacific Journal of Science and Technology. 21(1):280-289. (Keywords: evaluation, groundwater quality, metal pollution index, factor analysis, Niger Delta)
pjst21_1_280.pdf
Udoh, B.O., and A.N. Amadi. 2020. “Evaluation of Heavy Metal Pollution Level in Soils and Plants around Ibeno Area, Akwa-Ibom State, Niger Delta, Nigeria”. Pacific Journal of Science and Technology. 21(1):290-303. (Keywords: assessment, heavy metals, pollution indices, soil, plant, Niger Delta, oil spills, gas flaring)
pjst21_1_290.pdf
Osadebamwen, O.S., B. Ikhajiagbe, and F.A. Igiebor. 2020. “Occurrence and Distribution of Plants within Selected Mechanic Workshops with Potential for Phytoremediation”. Pacific Journal of Science and Technology. 21(1):304-314. (Keywords: auto mechanic workshops, naturally occurring plants, lawn, plant distribution, phytoremediation potential, heavy metal contamination, oil contamination control, biodiversity)
pjst21_1_304.pdf
Geology, Geophysics, and Earth Science
Ibrahim, K.O. and T.O. Adeoye. 2020. “Application of Surface Geophysics to Groundwater Investigations: A Case Study of Rural Area in Ilorin, Northcentral Nigeria”. Pacific Journal of Science and Technology. 21(1):315-325. (Keywords: groundwater potential, Vertical Electrical Sounding, VES, Schlumberger array, IPI2 WIN software, geoelectric selection, regolith)
pjst21_1_315.pdf
Egesi, N., J.I. Nwosu; and M. Opuwari. 2020. “Petrography and the Need to Establish Optimum Blasting Parameters for Rocks in Akamkpa-Oban Mining Area, Southeastern Nigeria”. Pacific Journal of Science and Technology. 21(1):326-332. (Keywords: petrography, rock boulders, blasting, tested parameters, fragmentation, Akamkpa-Oban)
pjst21_1_326.pdf
Fadare, T.K., A.G. Oni, M.O. Olorunfemi, and B.A. Ogunfolakan. 2020. “Geoelectric Characterizationof Igbo Oritaa Archaeological Site, Iwo, Southwestern Nigeria”. Pacific Journal of Science and Technology. 21(1):333-344. (Keywords: geoelectric characteristics, anomalous zones, archaeological artifacts, cultural resources, Igbo Oritaa)
pjst21_1_333.pdf
Evurani, D.E., A.B. Fajobi, J.O. Ajayi, and C.I. Konwea. 2020. “Evaluation of Geotechnical Properties of Subgrade Materials Below the Failed and Stable Flexible Pavement along Osogbo-Ikirun Road, South-Western Nigeria”. Pacific Journal of Science and Technology. 21(1):345-351. (Keywords: geotechnical properties, subgrade soils, particle size test, Atterberg limit test, compaction test, CBR test, soil classification)
pjst21_1_345.pdf
Akintola, O.O., I.A. Bodede, and O.O. Adekoya. 2020. “Influence of Waste Dump on Geotechnical Properties of Soil in Ibadan, Southwestern Nigeria”. Pacific Journal of Science and Technology. 21(1):352-360. (Keywords: dumpsite, geotechnical properties, natural conditions, waste, soils, sanitary landfill)
pjst21_1_352.pdf
Eze, U.E., A.I. Ali, E.C. Ugwuoke, O.P. Emeka, and I. Ofili. 2020. “Solar Desalination of Water Collected from River Niger for Domestic Purposes”. Pacific Journal of Science and Technology. 21(1):5-12. (Keywords: desalination, river water, purification, solar energy, distillate)
pjst21_1_5.pdf
Johnson, J.C., P.A. Johnson, R. Witiw, and A.A. Mardon,. 2020. “Design and Development of Reusable Facial Deactivation Masks for COVID19”. Pacific Journal of Science and Technology. 21(1):13-15. (Keywords: deactivation system, protective mask, personal protective equipment, PPE, sodium chloride, coronavirus, respirator mask)
pjst21_1_13.pdf
Johnson, P.A., J.C. Johnson, R. Witiw, and A.A. Mardon. 2020. “An Ionic Wind-Based Propulsion System for Space Transport”. Pacific Journal of Science and Technology. 21(1):16-17. (Keywords: ionic wind propulsion, aircraft propulsion, interplanetary exploration, transport)
pjst21_1_16.pdf
Johnson, J.C., P.A. Johnson, and A.A. Mardon. 2020. “Remote Sensing Elemental Composition Analysis Technology for Analysis of Microorganisms In Outer Space”. Pacific Journal of Science and Technology. 21(1):18-19. (Keywords: extant life, Mars, remote sensing, biomarkers, nano-scale vibration sensors, microorganisms)
pjst21_1_18.pdf
Energy and Power
Ugada, C.M., N.S. Ugwuanyi, and I.O. Ozioko. 2020. “Transmission Line Fault Detection using Prony Method: A Case Study of Nigerian 330kV Network”. Pacific Journal of Science and Technology. 21(1):20-29. (Keywords: distance relay, fault detection, power systems, Prony method, transmission line)
pjst21_1_20.pdf
Ofili, I., A.I. Ali, O.P. Emeka, E.C. Ugwuoke, and U.E. Eze. 2020. “Biogas Production from Anaerobic Digestion of Food Waste Generated in Enugu Metropolis”. Pacific Journal of Science and Technology. 21(1):30-37. (Keywords: food waste, biogas, digester, inoculum, energy)
pjst21_1_30.pdf
Johnson, P.A., J.C. Johnson, R. Witiw, and A.A. Mardon. 2020. “Mirrors for Harnessing Solar Energy on the Moon”. Pacific Journal of Science and Technology. 21(1):38-39. (Keywords: space-based solar power, lunar exploration, solar arrays, solar irradiation, peaks of eternal light, PEL)
pjst21_1_38.pdf
Physics, Atmospheric Physics, and Health Physics
Nworie, S.I. and E.I. Ugwu. 2020. “Study of the Optical Characteristics of Aluminum Doped ZnO Thin Film”. Pacific Journal of Science and Technology. 21(1):40-44. (Keywords: zinc oxide, ZnO, aluminum, Al, influence, doping, thin film, chemical bath deposition, optical properties, band gap, semiconductors)
pjst21_1_40.pdf
Ugwu, E.I. 2020. “Comparative Study on the Influence of Different Growth Mechanisms on the Structural and Optical Properties of Aluminum Doped Zinc Oxide Thin Film, AlZnO”. Pacific Journal of Science and Technology. 21(1):45-51. (Keywords: zinc oxide, ZnO, aluminum, Al, doping influence, thin film, deposition methods, structural and optical properties, semiconductors)
pjst21_1_45.pdf
Dawodu, G.A., A.O. Mustapha, and O.M. Olayiwola. 2020. “Radon Concentration using Zero Inflated Negative Binomial (ZINB) Modeling”. Pacific Journal of Science and Technology. 21(1):52-62. (Keywords: temperature, relative humidity, pressure, time, radon concentration, R, ZINB, logit, bootstrapping)
pjst21_1_52.pdf
Ojo, O.A. and P.A. Oluwafisoye. 2020. “Investigation of Radionuclide Concentration on an Agricultural Farm at Osun State University, Ejigbo Campus”. Pacific Journal of Science and Technology. 21(1):63-66. (Keywords: radionuclides, agricultural farm, farmlands, fish-ponds, gamma radiation, concentration, sodium iodide, health physics)
pjst21_1_63.pdf
Mathematics and Statistics
Alkali, A.M., D. Umar, S. Adamu, and T.P. Pantuvo. 2020. “A Two-Step Hybrid Nonlinear Multistep Method for the Solution of Stiff and Singular First Order Initial Value Problems”. Pacific Journal of Science and Technology. 21(1):67-75. (Keywords: rational approximate solution, interpolation, collocation, stiff problems, singular problems, convergent)
pjst21_1_67.pdf
Alkali, A.M., D. Umar, A.I. Ahmad, and S. Timothy. 2020. “Extended Three-Step Iterative Method for Solving System of Nonlinear Equations”. Pacific Journal of Science and Technology. 21(1):76-81. (Keywords: nonlinear equations, iterative method, convergence)
pjst21_1_76.pdf
Oyedepo, T., A.F. Adebisi, O.A. Uwaheren, C.Y. Ishola, S. Amadiegwu, and T. Latunde. 2020. “Least Squares Technique for Solving Volterra Fractional Integro-Differential Equations Based on Constructed Orthogonal Polynomials”. Pacific Journal of Science and Technology. 21(1):82-92. (Keywords: orthogonal polynomial; standard least squares, numerical method)
pjst21_1_82.pdf
Agwuegbo, S.O.N, E.E. Onugha, and A.A. Akintunde. 2020. “Modeling Chaotic Time Series using Stochastic Differential Equation”. Pacific Journal of Science and Technology. 21(1):93-100. (Keywords: Langevin equation, stochastic differentia equation, Ornstein-Uhlenbeck process, dependent time series model)
pjst21_1_93.pdf
Azuaba, E., R.A. Azeez, and J.M. Orverem. 2020. “Reff a Function of Drug Therapy and Treatment in the Mathematical Model of Malaria Disease Dynamics”. Pacific Journal of Science and Technology. 21(1):101-110. (Keywords: effective reproductive number, malaria disease, drug therapy, treatment, sensitivity)
pjst21_1_101.pdf
Alhassan, A., A.A. Momoh, S.A. Abdullahi, and D. Umar. 2020. “Optimal Control Analysis on the Transmission Dynamics of Hepatitis C Virus Infection with Asymptomatic Carriers”. Pacific Journal of Science and Technology. 21(1):111-120. (Keywords: transmission, acute, chronic, hepatitis, control, strategy, disease, infection, protection, treatment, susceptible, recovered)
pjst21_1_111.pdf
Dawodu, G.A., I.A. Ogunsola, and O.E. Asiribo. 2020. “Hierarchical Clustering and the Determination of Maturity in Trees”. Pacific Journal of Science and Technology. 21(1):121-127. (Keywords: Euclidean, forest management, girth, hierarchical clustering, tree harvesting)
pjst21_1_121.pdf
Information Technology and Communications
Chidi, E.M. and I.B. Asianuba. 2020. “Mitigating the Problem of Dispersion in Optical Fiber Communication Link”. Pacific Journal of Science and Technology. 21(1):128-137. (Keywords: communication, dispersion compensation fiber, EDFA, Fiber Bragg Grating, OSNR, bit error rate, Q- factor)
pjst21_1_128.pdf
Asianuba, I. and C. Nwabueze. 2020. “Reduction of Micro-Bending Losses in Fiber Optic Communication System”. Pacific Journal of Science and Technology. 21(1):138-149. (Keywords: throughput, micro-bend, refractive index, fiber channel, optical losses, fiber clad, fiber fore)
pjst21_1_138.pdf
Management, Economics, and Education
Ogbechi, A.D., B.N. Dixon-Ogbechi, and H.C.Halim. 2020. “An Assessment of Strategic Marketing Planning and Sustainable Corporate Performance of Insurance Organization in Nigeria”. Pacific Journal of Science and Technology. 21(1):150-160. (Keywords: strategic marketing, planning, strategic planning, marketing strategy, sustainable corporate performance)
pjst21_1_150.pdf
Sharma, N.K., D. Capogrossi, H. Mendon, and N. Ray. 2020. “Indian Money, Capital, and Stock Markets and Their Important Segments”. Pacific Journal of Science and Technology. 21(1):161-169. (Keywords: India, national economy, money market, capital market, stock market)
pjst21_1_161.pdf
Sharma, N.K., D. Capogrossi, H. Mendon, and N. Ray. 2020. “History of Scams, Corruptions, and Low Financial Literacy in Indian Stock, Capital, and Money Markets”. Pacific Journal of Science and Technology. 21(1):170-178. (Keywords: India, national economy, money market, capital market, stock market, fraud, scam, corruption)
pjst21_1_170.pdf
Sharma, N.K., D. Capogrossi, H. Mendon, and N. Ray. 2020. “Effective Management of the Capital Market Investment Strategies or Small Investors – Research Conclusions”. Pacific Journal of Science and Technology. 21(1):179-187. (Keywords: investors, investments, primary markets, secondary markets, corruption, financial literacy)
pjst21_1_179.pdf
Ikuelogbon, O.J., E.C. Nzeakor, and E.O. Ikuelogbon. 2020. “Entrepreneurship Skills Required by Head Teachers for Practicing Entrepreneurship at Retirement in Ekiti State”. Pacific Journal of Science and Technology. 21(1):188-195. (Keywords: entrepreneurship education, retirement, coping skills, Ekiti State)
pjst21_1_188.pdf
Ayolugbe, C.J., O.J. Ikuelogbon; and I.O. Odo. 2020. “Extent of Utilization of Instructional Materials in Teaching and Learning of Marketing in Secondary Schools in Nsukka Education Zone”. Pacific Journal of Science and Technology. 21(1):196-203. (Keywords: instructional materials, marketing, utilization, teaching and learning)
pjst21_1_196.pdf
Salami, S.S., J.A. Mafikuyomi, and T.A. Ogundare. 2020. “Competencies Required by Business Education Students in Acquisition of Entrepreneurial Skills for Job Security in Nigeria”. Pacific Journal of Science and Technology. 21(1):204-210. (Keywords: entrepreneur, skills, job security, business education)
pjst21_1_204.pdf
Olawoyin, R.O. 2020. “Self-Employment Skills Needed by Business Education Students in Colleges of Education in Southwest Nigeria for National Development”. Pacific Journal of Science and Technology. 21(1):211-218. (Keywords: business education students, self employment skills, education to work, colleges of education, Nigerian education system)
pjst21_1_211.pdf
Chemistry and Biochemistry
Ayoola, A.A., D.A. Ekunseitan, S.B. Muhammad, M.A. Oguntoye, and Y.A. Adejola. 2020. “Phytochemicals Analysis and GC-MS Determination of Ethanolic Extracts of Azadirachta indica and Mangifera indica Stem Bark and their Biological Potentials”. Pacific Journal of Science and Technology. 21(1):219-229. (Keywords: phytochemicals, active ingredient, ethanolic extract, biological activities)
pjst21_1_219.pdf
Life Sciences and Medicine
Oguntade, D.O., B.M. Ilori, T. Oyeniyi, and S.O. Durosaro. 2020. “Repeatability Estimates of Body Weight and Linear Body Measurements of Improved Indigenous and Exotic Meat Type Chickens Reared in the Tropics”. Pacific Journal of Science and Technology. 21(1):230-238. (Keywords: conformational traits, Anak titan, exotic, improved indigenous, FUNAAB alpha repeatability, chicken).
pjst21_1_230.pdf
Kehinde, A.S., P.C. Aguihe, and B.T. Oluwasola. 2020. “Effect of Differential Fermented Periods of Cooked Shea Butter Cake on Hematological and Serum Biochemical Indices of Broiler Chicks”. Pacific Journal of Science and Technology. 21(1):239-246. (Keywords: shea butter cake, fermentation periods, hematology, serum biochemistry, broiler)
pjst21_1_239.pdf
Kehinde, A.S., T.O. Babatunde, and O.J. Kehinde. 2020. “Performance and Economics of Production of Broiler Chicks Fed on Diets with Different Levels of Protein”. Pacific Journal of Science and Technology. 21(1):247-252. (Keywords: protein, profitability, growth, broiler chicks)
pjst21_1_247.pdf
Kehinde, A.S., T. Babatunde, and O.J. Kehinde. 2020. “Growth Performance, Qualitative and Economic Evaluation of Snails (Archachatina marginata) Fed Cassava Byproducts”. Pacific Journal of Science and Technology. 21(1):253-259. (Keywords: haemolymph, snail meat, cassava byproducts, carcass yield)
pjst21_1_253.pdf
Kehinde, A.S., T.O. Babatunde, and O.J. Kehinde. 2020. “Nutritional and Mineral Evaluation of Meat and Haemolymph of African Land Snail (Archachatina marginata Swainson)”. Pacific Journal of Science and Technology. 21(1):260-264. (Keywords: snail, mineral elements, proximate composition, haemolymph)
pjst21_1_260.pdf
Ekpiwre, V., H. Godwin; and R. Faith. 2020. “Seroprevalence of Chlamydia trachomatis Among HIV Patients Attending Faith Alive Hospital, Jos, Plateau State”. Pacific Journal of Science and Technology. 21(1):265-273. (Keywords: sexually transmitted infections, HIV, Chlamydia, Jos, Nigeria, risk factors, coinfection)
pjst21_1_265.pdf
Johnson, J.C., P.A. Johnson, and A.A. Mardon. 2020. Development of a Mechanical Strain Device to Prevent Microgravity-Induced Bone Loss”. Pacific Journal of Science and Technology. 21(1):274-275. (Keywords: bone mass, mechanical strain device, microgravity, space flight biology, osteoporosis)
pjst21_1_274.pdf
Johnson, J.C., P.A. Johnson, and A.A. Mardon. 2020. “Detecting Biosignatures for Chemosynthetic Life Forms on Mars Using Geological Mapping Data”. Pacific Journal of Science and Technology. 21(1):276-279. (Keywords: extant life, Mars, remote sensing, biomarkers, Martian geological data)
pjst21_1_276.pdf
Environmental Science and Ecology
Amadi, A.N. B.O. Udoh, T.M. Ozoji, W.G. Akande, I. Shaibu, M.A. Dan-Hassan, S.U. Hussaini, and A.S. Oguntade. 2020. “Quality Assessment of Groundwater in Parts of Niger Delta, Southern Nigeria using Metal Pollution Index and Factor Analysis”. Pacific Journal of Science and Technology. 21(1):280-289. (Keywords: evaluation, groundwater quality, metal pollution index, factor analysis, Niger Delta)
pjst21_1_280.pdf
Udoh, B.O., and A.N. Amadi. 2020. “Evaluation of Heavy Metal Pollution Level in Soils and Plants around Ibeno Area, Akwa-Ibom State, Niger Delta, Nigeria”. Pacific Journal of Science and Technology. 21(1):290-303. (Keywords: assessment, heavy metals, pollution indices, soil, plant, Niger Delta, oil spills, gas flaring)
pjst21_1_290.pdf
Osadebamwen, O.S., B. Ikhajiagbe, and F.A. Igiebor. 2020. “Occurrence and Distribution of Plants within Selected Mechanic Workshops with Potential for Phytoremediation”. Pacific Journal of Science and Technology. 21(1):304-314. (Keywords: auto mechanic workshops, naturally occurring plants, lawn, plant distribution, phytoremediation potential, heavy metal contamination, oil contamination control, biodiversity)
pjst21_1_304.pdf
Geology, Geophysics, and Earth Science
Ibrahim, K.O. and T.O. Adeoye. 2020. “Application of Surface Geophysics to Groundwater Investigations: A Case Study of Rural Area in Ilorin, Northcentral Nigeria”. Pacific Journal of Science and Technology. 21(1):315-325. (Keywords: groundwater potential, Vertical Electrical Sounding, VES, Schlumberger array, IPI2 WIN software, geoelectric selection, regolith)
pjst21_1_315.pdf
Egesi, N., J.I. Nwosu; and M. Opuwari. 2020. “Petrography and the Need to Establish Optimum Blasting Parameters for Rocks in Akamkpa-Oban Mining Area, Southeastern Nigeria”. Pacific Journal of Science and Technology. 21(1):326-332. (Keywords: petrography, rock boulders, blasting, tested parameters, fragmentation, Akamkpa-Oban)
pjst21_1_326.pdf
Fadare, T.K., A.G. Oni, M.O. Olorunfemi, and B.A. Ogunfolakan. 2020. “Geoelectric Characterizationof Igbo Oritaa Archaeological Site, Iwo, Southwestern Nigeria”. Pacific Journal of Science and Technology. 21(1):333-344. (Keywords: geoelectric characteristics, anomalous zones, archaeological artifacts, cultural resources, Igbo Oritaa)
pjst21_1_333.pdf
Evurani, D.E., A.B. Fajobi, J.O. Ajayi, and C.I. Konwea. 2020. “Evaluation of Geotechnical Properties of Subgrade Materials Below the Failed and Stable Flexible Pavement along Osogbo-Ikirun Road, South-Western Nigeria”. Pacific Journal of Science and Technology. 21(1):345-351. (Keywords: geotechnical properties, subgrade soils, particle size test, Atterberg limit test, compaction test, CBR test, soil classification)
pjst21_1_345.pdf
Akintola, O.O., I.A. Bodede, and O.O. Adekoya. 2020. “Influence of Waste Dump on Geotechnical Properties of Soil in Ibadan, Southwestern Nigeria”. Pacific Journal of Science and Technology. 21(1):352-360. (Keywords: dumpsite, geotechnical properties, natural conditions, waste, soils, sanitary landfill)
pjst21_1_352.pdf
Volume 20, Number 2 (November / December 2019)
Engineering and Material Science
Response Surface Regression Modelling of Orthogonal Cutting of Stainless Steel Using HSS Tool. Morakinyo Kehinde Onifade. (Keywords: stainless steel; HSS tool; response surface regression; tool life; surface roughness).
pjst20_2_5.pdf
Design of Single Effect Solar Still for Water Purification. Audu Ibrahim Ali; Ugwoke Emmanuel Eze; K.C. Onyeneho; I.C. Iloani (M.Eng In View); and A. Okpanachi. (Keywords: solar still, cover plate, distillate, design parameters, insolation).
pjst20_2_19.pdf
Energy and Power
Anaerobic Digestion of Potato Peel Waste for Methane Generation. Audu Ibrahim Ali; K.C. Onyeneho; I.C. Iloani (M.Eng In View); Ajibili Edibo Haruna; and E.C. Ugwuoke. (Keywords: anaerobic digestion, biogas, inoculum, potato peel, energy).
pjst20_2_27.pdf
Production of Biogas from Cassava Peels Blended with Goat Manure. K.C. Onyeneho; Okoh Promise Emeka; Audu Ibrahim Ali; I.C. Iloani (M.Eng In View); and Ajibili Edibo Haruna. (Keywords: Cassava peels, goat dung, biogas, waste management, inoculum).
pjst20_2_35.pdf
Physics and Atmospheric Physics
Radial Basis Function - Finite Difference (RBF-FD) Approximations for Two Dimensional Heat Equations. M.O. Durojaye and J.K. Odeyemi. (Keywords: Radial Basis Function, Gaussian (GA), Multiquadrics (MQ), Inverse Multiquadrics (IMQ) and Inverse Quadratic (IQ)).
pjst20_2_43.pdf
Verification of the Accuracy of an Instrument Landing System’s Localizer: A Study of an International Airport in Nigeria. P.C. Amalu; C.O. Okonkwo; and O.M. Olayiwola. (Keywords: accuracy, ILS localizer, transmitter and receiver, runway centerline, course line, DDM deviation, frequency, equi-signal, in-flight, electromagnetic, and radiation).
pjst20_2_68.pdf
Mathematics and Statistics
On Hybrid Block Methods for the Solution of Optimal Control Problems. A.M. Alkali, Ph.D.; B.D. Shalom, M.Sc.; and D. Umar, M.Sc. (Keywords: optimal control, interpolation, collocation, convergent).
pjst20_2_76.pdf
Mathematical Modeling of Algae Population Dynamics on the Surface of Water. Nurat O. Abdurrahman M.Tech.; Ninuola I. Akinwande, Ph.D.; and Samuel A. Somma, Ph.D. (Keywords: exponential growth, phytoplankton, diffusion, source term, sink term).
pjst20_2_83.pdf
Information Technology and Communications
Cyber Insecurity: End User Vulnerability Awareness and Perception Assessment. Dorothy E. Akpon-Ebiyonare, Ph.D. and Susan Konyeha, Ph.D. (Keywords: cyber security, threat, user awareness, vulnerability, cyber crime, security breach, social engineering).
pjst20_2_88.pdf
Use of Mobile Devices in Teaching and Learning in Traditional Higher Institutions in Nigeria. Susan Konyeha, Ph.D. and Dorothy E. Akpon-Ebiyonare, Ph.D. (Keywords: e-learning, smart phones, mobile devices, digital aids, m-learning).
pjst20_2_95.pdf
Augmented Reality: User Perception on Effectiveness in Educational Delivery Assessment in Kaduna. Martins E. Irhebhude, Ph.D.; Abdullahi, Fatima B.Sc.; Agwi, U. Celestine, M.Sc.; Adeola O. Kolawole, B.Sc.; and Lydia Mohammed, B.Tech. (Keywords: technology, augmented reality, AR, virtual reality, VR, teaching and learning, education).
pjst20_2_102.pdf
Maximum Daily Cash Transaction Limit Enforcement in Nigeria Cash-Lite Economy. Oluwasogo Adekunle Okunade, M.Sc. (Keywords: multiple financial transaction, Bayes’ Theorem, Central Bank of Nigeria, CBN, electronic payment).
pjst20_2_151.pdf
Management, Economics, and Education
An Evaluation of the Failure Pattern of Defunct Airlines in Nigeria. Akin Babatunde Adeoye and Abdulrahman Musa. (Keywords: airlines, operations, defunct, transport, aviation).
pjst20_2_112.pdf
Employee Retention Strategies and Organizational Performance in Selected Private Universities in Ogun State Nigeria. Linus I. Okafor; Nkiruka E. Ifekwem; and Adedoyin O. Adeyi. (Keywords: career growth, retention, training and development, rewards).
pjst20_2_123.pdf
Strategic Management Practices and Performance of Small and Medium Scale Enterprises (SMEs). Ola O. Oyedele, Ph.D.; Adenike F. Oyedele, Ph.D.; Olalekan A. Sotunde, M.Sc.; Kazeem O. Makinde, B.Sc. (Ed); Babatunde T. Fabinu, M.Sc.; and Oluwakemi O. Oladokun, M.Sc. (Keywords: strategic management practices, small and medium scale enterprises, performance and profitability).
pjst20_2_132.pdf
The Relationship of Strategy Formulation, Adoption, and Implementation to Small Scale Market Share Performance. Adenike F. Oyedele, Ph.D.; Olalekan A. Sotunde, M.Sc.; Ola O. Oyedele, Ph.D.; Oluwakemi O. Oladokun, M.Sc.; Kazeem O. Makinde, B.Sc. (Ed); and Babatunde T. Fabinu, M.Sc. (Keywords: strategy formulation, adoption implementation, business performance, and small business enterprises).
pjst20_2_141.pdf
Entrepreneurship Education: A Viable Tool in Mitigating Rural-Urban Migration in Anambra State. Chinedu J. Ayolugbe; Ngozi J. Igwe; and Innocent U. Ishiwu. (Keywords: education, entrepreneur, entrepreneurship education, migration, and ruralurban migration).
pjst20_2_161.pdf
Challenges of Teaching and Learning of Marketing in Secondary School in Nsukka Educational Zone, Enugu State Nigeria. Chinedu J. Ayolugbe; Innocent U. Ishiwu; and Amaka S. Ugodinamba. (Keywords: education, secondary education, marketing curriculum, teaching and learning).
pjst20_2_170.pdf
Assessment of Apprenticeship Training on Entrepreneurship Development in Ilobu, Osun State. Oyeniyi Aderonke Agnes, Ph.D. and Abdulsalam Kabirat Adenike, B.Sc. (Keywords: training, entrepreneurship, apprentice program, apprenticeship).
pjst20_2_179.pdf
Enhancing Quality University Education for Sustainable Development in Nigeria: Private Sector Roles and Challenges. Sarafadeen Segun Salami and Kamoru Abidoye Tiamiyu. (Keywords: private university, roles, challenges, sustainable development, higher education).
pjst20_2_187.pdf
Chemistry and Biochemistry
Extraction, Purification, and Preliminary Characterization of Dyestuff from Adansonia digita Root (Baobaba). T.N. Alumona; N. Ekere; S.I. Ogbuefi; and I.I. Otunomo. (Keywords: Adansonia digitata, dye extraction, characterization, dyestuff, purification).
pjst20_2_196.pdf
Physicochemical Analysis of a Local Clay and its Utilization in Ceramic Tiles. G.N. Chikwelu ; T.U. Onuegbu; K.G. Akpomie; and E.L. Onyeyilim. (Keywords: physicochemical analysis, water absorption, apparent porosity, Mbaukwu clay, ceramic tiles).
pjst20_2_200.pdf
Life Sciences and Medicine
Variational Iteration Method for Solving an Infectious Disease Model. A.A. Ayoade, Ph.D.; T.F. Aminu M.Sc.; M.O. Ajisope, Ph.D.; A.I. Abioye, M.Sc.; A.A. Victor, M.Sc.; and S. Amadiegwu, M.Sc. (Keywords: infectious disease, Variational Iteration Method, Runge-Kutta method).
pjst20_2_205.pdf
Evolution of Exon 3 Region of Interferon Regulatory Factor-5 Gene in Nigerian Indigenous Chickens. Samuel Olutunde Durosaro, Ph.D.; Babatunde Moses Ilori, Ph.D.; David Oluwafemi Oguntade, M.Agric.; Ayotunde Olutumininu Adebambo, Ph.D.; and Michael Ozoje, Ph.D. (Keywords: chickens, evolution, exon, interferon regulatory factor-5, phylogeny, purines, genetic analysis).
pjst20_2_211.pdf
Effect of Moisture Content and Drying Methods on the Thermal Properties of African Walnut Flour. Anita C. Ezeagba, M.Eng.; Ike S. Oluka, P.Eng.; and Ejike P. Ide, M.Eng. (Keywords: specific heat, thermal conductivity, thermal diffusivity, African Walnut flour).
pjst20_2_217.pdf
Effect of Temperature Variation by Forced Air Dryer on Solar Drying of Okra. Ugwoke Emmanuel Eze; Audu Ibrahim Ali; I.C. Iloani (M.Eng In View); K.C. Onyeneho; and E.C Ugwuoke. (Keywords: okra, drying, preservation, temperature, solar drying).
pjst20_2_224.pdf
Effect of Feather Color on Heat Tolerance Traits and Growth Performance of Nigerian Indigenous Turkey. Babatunde Moses Ilori, Ph.D.; Samuel Olutunde Durosaro, Ph.D.; Clement Ebanehitah Isidahomen, Ph.D.; Nafisah Abiola Uthman, B.Agric.; David Temitayo Komolafe, B.Agric.; Kayode Akano, Ph.D.; and Prof. Michael Ohiokhuaobo Ozoje. (Keywords: poultry production, heat stress, heat tolerance, growth performance, Nigerian indigenous turkey).
pjst20_2_231.pdf
Environmental Science and Ecology
Impact of Waste Dumpsite on Groundwater Quality in Ibadan, Southwestern Nigeria. Oluwatoyin Opeyemi Akintola, Ph.D. and Bodede Adewunmi Idayat. (Keywords: Anthropogenic influence, Dumpsite, Groundwater quality, Leachates, Public health).
pjst20_2_242.pdf
Investigation of Groundwater Quality in parts of Onitsha, Southeastern Nigeria. B.A. Igbomor and A.N. Amadi. (Keywords: groundwater, assessment, Onitsha, southeastern Nigeria).
pjst20_2_266.pdf
Effects of Trace Metal Compositions of Igneous Intrusions on Public Health in Ishiagu Area of the Southern Benue Trough, Southern Nigeria. I. Nwachukwu; V.U. Ukaebgu; and N. Egesi. (Keywords: geochemistry, geostatistical studies, environmental chemistry, bioaccumulation, health effects, trace metals).
pjst20_2_276.pdf
Geology, Geophysics, and Earth Science
A Review of the Heavy Mineral Provinces of the Paleogene Sediments, SouthEastern Nigeria: Factors Controlling the Distribution of the Heavy Minerals. Ogechi C. Ekwenye, Ph.D. and Ogechukwu C. Onyemesili, Ph.D. (Keywords: high resolution, heavy minerals, ultrastable, ultra-stable minerals, provinces, Palegene, Niger Delta).
pjst20_2_289.pdf
Reservoir Permeability Prediction Using Artificial Neural Network; A Case Study of “XZ” Field, Offshore Niger Delta. Vitalis C. Ozebo, Ph.D. and Chuks C. Ezimadu, M.Sc. (Keywords: artificial neural networks, reservoir permeability, petrel, Niger delta).
pjst20_2_309.pdf
Integrated Geophysical Investigation of Suspected Structurally Controlled Valleys within the Basement Complex Underlain Federal University, Oye-Ekiti, Southwestern Nigeria. Olaniyi D. Abiye, B.Sc.; Ademakinwa G. Oni, Ph.D.; and Martins O. Olorunfemi, Ph.D. (Keywords: integrated geophysics, geomorphic valleys, structure control, basement complex terrain).
pjst20_2_319.pdf
Geophysical Evaluation of Foundation Soils in a Basement Complex Terrain: A Case Study of LAUTECH Campus, Ogbomoso, Southwestern Nigeria. Ismaila Abiodun Akinlabi, Ph.D.; Titilope Adegoke, B.Tech.; and Olusola Bolatan, B.Tech. (Keywords: geoelectric parameters, subsoil characteristics, foundation integrity, engineering structures, overburden thickness, bedrock relief).
pjst20_2_332.pdf
Geoelectrical Prospecting for Shallow Aquifers in Otukpo, North-Central Nigeria. Ameh I. Mark, M.Tech. and Amadi A. Nwanosike, Ph.D. (Keywords: geoelectrical, resistivity, profile, Otukpo, 2D, well, Wenner, groundwater).
pjst20_2_352.pdf
Geotechnical Investigation of Soils and Underlying Basement Rock for the Construction of Southern Parkway Bridge at Federal Capital Territory (FCT), Abuja, Northcentral Nigeria. Waheed Gbenga Akande; Olumuyiwa Temitope Akinsanpe; Adeyemi Israel Oyeniran; Yahaya Baba Alkali; Adekola Amos Alabi; and Ibrahim Asema Abdulfatai. (Keywords: Southern Parkway Bridge, federal capital territory, Nigeria, geotechnical survey, geotechnical analyses, strength, basement rock).
pjst20_2_360.pdf
Lineament Analysis and Inference of Geological Structures in Bansara-Boki Area, Southeastern Nigeria. M.A. Agbebia and N. Egesi. (Keywords: lineament, topography, planar and linear structures, index parameters, SE Nigeria).
pjst20_2_372.pdf
Integration of in-situ Susceptibility and Petrographic Data in Study of the Magnetic Properties of some Rocks of Parts of Anambra Basin and Southern Benue Trough, Nigeria. Martina O. Eze, Ph.D. and Ikechukwu B. Ijeh, Ph.D. (Keywords: magnetism, magnetic susceptibility, aeromagnetic, Benue trough).
pjst20_2_387.pdf
Response Surface Regression Modelling of Orthogonal Cutting of Stainless Steel Using HSS Tool. Morakinyo Kehinde Onifade. (Keywords: stainless steel; HSS tool; response surface regression; tool life; surface roughness).
pjst20_2_5.pdf
Design of Single Effect Solar Still for Water Purification. Audu Ibrahim Ali; Ugwoke Emmanuel Eze; K.C. Onyeneho; I.C. Iloani (M.Eng In View); and A. Okpanachi. (Keywords: solar still, cover plate, distillate, design parameters, insolation).
pjst20_2_19.pdf
Energy and Power
Anaerobic Digestion of Potato Peel Waste for Methane Generation. Audu Ibrahim Ali; K.C. Onyeneho; I.C. Iloani (M.Eng In View); Ajibili Edibo Haruna; and E.C. Ugwuoke. (Keywords: anaerobic digestion, biogas, inoculum, potato peel, energy).
pjst20_2_27.pdf
Production of Biogas from Cassava Peels Blended with Goat Manure. K.C. Onyeneho; Okoh Promise Emeka; Audu Ibrahim Ali; I.C. Iloani (M.Eng In View); and Ajibili Edibo Haruna. (Keywords: Cassava peels, goat dung, biogas, waste management, inoculum).
pjst20_2_35.pdf
Physics and Atmospheric Physics
Radial Basis Function - Finite Difference (RBF-FD) Approximations for Two Dimensional Heat Equations. M.O. Durojaye and J.K. Odeyemi. (Keywords: Radial Basis Function, Gaussian (GA), Multiquadrics (MQ), Inverse Multiquadrics (IMQ) and Inverse Quadratic (IQ)).
pjst20_2_43.pdf
Verification of the Accuracy of an Instrument Landing System’s Localizer: A Study of an International Airport in Nigeria. P.C. Amalu; C.O. Okonkwo; and O.M. Olayiwola. (Keywords: accuracy, ILS localizer, transmitter and receiver, runway centerline, course line, DDM deviation, frequency, equi-signal, in-flight, electromagnetic, and radiation).
pjst20_2_68.pdf
Mathematics and Statistics
On Hybrid Block Methods for the Solution of Optimal Control Problems. A.M. Alkali, Ph.D.; B.D. Shalom, M.Sc.; and D. Umar, M.Sc. (Keywords: optimal control, interpolation, collocation, convergent).
pjst20_2_76.pdf
Mathematical Modeling of Algae Population Dynamics on the Surface of Water. Nurat O. Abdurrahman M.Tech.; Ninuola I. Akinwande, Ph.D.; and Samuel A. Somma, Ph.D. (Keywords: exponential growth, phytoplankton, diffusion, source term, sink term).
pjst20_2_83.pdf
Information Technology and Communications
Cyber Insecurity: End User Vulnerability Awareness and Perception Assessment. Dorothy E. Akpon-Ebiyonare, Ph.D. and Susan Konyeha, Ph.D. (Keywords: cyber security, threat, user awareness, vulnerability, cyber crime, security breach, social engineering).
pjst20_2_88.pdf
Use of Mobile Devices in Teaching and Learning in Traditional Higher Institutions in Nigeria. Susan Konyeha, Ph.D. and Dorothy E. Akpon-Ebiyonare, Ph.D. (Keywords: e-learning, smart phones, mobile devices, digital aids, m-learning).
pjst20_2_95.pdf
Augmented Reality: User Perception on Effectiveness in Educational Delivery Assessment in Kaduna. Martins E. Irhebhude, Ph.D.; Abdullahi, Fatima B.Sc.; Agwi, U. Celestine, M.Sc.; Adeola O. Kolawole, B.Sc.; and Lydia Mohammed, B.Tech. (Keywords: technology, augmented reality, AR, virtual reality, VR, teaching and learning, education).
pjst20_2_102.pdf
Maximum Daily Cash Transaction Limit Enforcement in Nigeria Cash-Lite Economy. Oluwasogo Adekunle Okunade, M.Sc. (Keywords: multiple financial transaction, Bayes’ Theorem, Central Bank of Nigeria, CBN, electronic payment).
pjst20_2_151.pdf
Management, Economics, and Education
An Evaluation of the Failure Pattern of Defunct Airlines in Nigeria. Akin Babatunde Adeoye and Abdulrahman Musa. (Keywords: airlines, operations, defunct, transport, aviation).
pjst20_2_112.pdf
Employee Retention Strategies and Organizational Performance in Selected Private Universities in Ogun State Nigeria. Linus I. Okafor; Nkiruka E. Ifekwem; and Adedoyin O. Adeyi. (Keywords: career growth, retention, training and development, rewards).
pjst20_2_123.pdf
Strategic Management Practices and Performance of Small and Medium Scale Enterprises (SMEs). Ola O. Oyedele, Ph.D.; Adenike F. Oyedele, Ph.D.; Olalekan A. Sotunde, M.Sc.; Kazeem O. Makinde, B.Sc. (Ed); Babatunde T. Fabinu, M.Sc.; and Oluwakemi O. Oladokun, M.Sc. (Keywords: strategic management practices, small and medium scale enterprises, performance and profitability).
pjst20_2_132.pdf
The Relationship of Strategy Formulation, Adoption, and Implementation to Small Scale Market Share Performance. Adenike F. Oyedele, Ph.D.; Olalekan A. Sotunde, M.Sc.; Ola O. Oyedele, Ph.D.; Oluwakemi O. Oladokun, M.Sc.; Kazeem O. Makinde, B.Sc. (Ed); and Babatunde T. Fabinu, M.Sc. (Keywords: strategy formulation, adoption implementation, business performance, and small business enterprises).
pjst20_2_141.pdf
Entrepreneurship Education: A Viable Tool in Mitigating Rural-Urban Migration in Anambra State. Chinedu J. Ayolugbe; Ngozi J. Igwe; and Innocent U. Ishiwu. (Keywords: education, entrepreneur, entrepreneurship education, migration, and ruralurban migration).
pjst20_2_161.pdf
Challenges of Teaching and Learning of Marketing in Secondary School in Nsukka Educational Zone, Enugu State Nigeria. Chinedu J. Ayolugbe; Innocent U. Ishiwu; and Amaka S. Ugodinamba. (Keywords: education, secondary education, marketing curriculum, teaching and learning).
pjst20_2_170.pdf
Assessment of Apprenticeship Training on Entrepreneurship Development in Ilobu, Osun State. Oyeniyi Aderonke Agnes, Ph.D. and Abdulsalam Kabirat Adenike, B.Sc. (Keywords: training, entrepreneurship, apprentice program, apprenticeship).
pjst20_2_179.pdf
Enhancing Quality University Education for Sustainable Development in Nigeria: Private Sector Roles and Challenges. Sarafadeen Segun Salami and Kamoru Abidoye Tiamiyu. (Keywords: private university, roles, challenges, sustainable development, higher education).
pjst20_2_187.pdf
Chemistry and Biochemistry
Extraction, Purification, and Preliminary Characterization of Dyestuff from Adansonia digita Root (Baobaba). T.N. Alumona; N. Ekere; S.I. Ogbuefi; and I.I. Otunomo. (Keywords: Adansonia digitata, dye extraction, characterization, dyestuff, purification).
pjst20_2_196.pdf
Physicochemical Analysis of a Local Clay and its Utilization in Ceramic Tiles. G.N. Chikwelu ; T.U. Onuegbu; K.G. Akpomie; and E.L. Onyeyilim. (Keywords: physicochemical analysis, water absorption, apparent porosity, Mbaukwu clay, ceramic tiles).
pjst20_2_200.pdf
Life Sciences and Medicine
Variational Iteration Method for Solving an Infectious Disease Model. A.A. Ayoade, Ph.D.; T.F. Aminu M.Sc.; M.O. Ajisope, Ph.D.; A.I. Abioye, M.Sc.; A.A. Victor, M.Sc.; and S. Amadiegwu, M.Sc. (Keywords: infectious disease, Variational Iteration Method, Runge-Kutta method).
pjst20_2_205.pdf
Evolution of Exon 3 Region of Interferon Regulatory Factor-5 Gene in Nigerian Indigenous Chickens. Samuel Olutunde Durosaro, Ph.D.; Babatunde Moses Ilori, Ph.D.; David Oluwafemi Oguntade, M.Agric.; Ayotunde Olutumininu Adebambo, Ph.D.; and Michael Ozoje, Ph.D. (Keywords: chickens, evolution, exon, interferon regulatory factor-5, phylogeny, purines, genetic analysis).
pjst20_2_211.pdf
Effect of Moisture Content and Drying Methods on the Thermal Properties of African Walnut Flour. Anita C. Ezeagba, M.Eng.; Ike S. Oluka, P.Eng.; and Ejike P. Ide, M.Eng. (Keywords: specific heat, thermal conductivity, thermal diffusivity, African Walnut flour).
pjst20_2_217.pdf
Effect of Temperature Variation by Forced Air Dryer on Solar Drying of Okra. Ugwoke Emmanuel Eze; Audu Ibrahim Ali; I.C. Iloani (M.Eng In View); K.C. Onyeneho; and E.C Ugwuoke. (Keywords: okra, drying, preservation, temperature, solar drying).
pjst20_2_224.pdf
Effect of Feather Color on Heat Tolerance Traits and Growth Performance of Nigerian Indigenous Turkey. Babatunde Moses Ilori, Ph.D.; Samuel Olutunde Durosaro, Ph.D.; Clement Ebanehitah Isidahomen, Ph.D.; Nafisah Abiola Uthman, B.Agric.; David Temitayo Komolafe, B.Agric.; Kayode Akano, Ph.D.; and Prof. Michael Ohiokhuaobo Ozoje. (Keywords: poultry production, heat stress, heat tolerance, growth performance, Nigerian indigenous turkey).
pjst20_2_231.pdf
Environmental Science and Ecology
Impact of Waste Dumpsite on Groundwater Quality in Ibadan, Southwestern Nigeria. Oluwatoyin Opeyemi Akintola, Ph.D. and Bodede Adewunmi Idayat. (Keywords: Anthropogenic influence, Dumpsite, Groundwater quality, Leachates, Public health).
pjst20_2_242.pdf
Investigation of Groundwater Quality in parts of Onitsha, Southeastern Nigeria. B.A. Igbomor and A.N. Amadi. (Keywords: groundwater, assessment, Onitsha, southeastern Nigeria).
pjst20_2_266.pdf
Effects of Trace Metal Compositions of Igneous Intrusions on Public Health in Ishiagu Area of the Southern Benue Trough, Southern Nigeria. I. Nwachukwu; V.U. Ukaebgu; and N. Egesi. (Keywords: geochemistry, geostatistical studies, environmental chemistry, bioaccumulation, health effects, trace metals).
pjst20_2_276.pdf
Geology, Geophysics, and Earth Science
A Review of the Heavy Mineral Provinces of the Paleogene Sediments, SouthEastern Nigeria: Factors Controlling the Distribution of the Heavy Minerals. Ogechi C. Ekwenye, Ph.D. and Ogechukwu C. Onyemesili, Ph.D. (Keywords: high resolution, heavy minerals, ultrastable, ultra-stable minerals, provinces, Palegene, Niger Delta).
pjst20_2_289.pdf
Reservoir Permeability Prediction Using Artificial Neural Network; A Case Study of “XZ” Field, Offshore Niger Delta. Vitalis C. Ozebo, Ph.D. and Chuks C. Ezimadu, M.Sc. (Keywords: artificial neural networks, reservoir permeability, petrel, Niger delta).
pjst20_2_309.pdf
Integrated Geophysical Investigation of Suspected Structurally Controlled Valleys within the Basement Complex Underlain Federal University, Oye-Ekiti, Southwestern Nigeria. Olaniyi D. Abiye, B.Sc.; Ademakinwa G. Oni, Ph.D.; and Martins O. Olorunfemi, Ph.D. (Keywords: integrated geophysics, geomorphic valleys, structure control, basement complex terrain).
pjst20_2_319.pdf
Geophysical Evaluation of Foundation Soils in a Basement Complex Terrain: A Case Study of LAUTECH Campus, Ogbomoso, Southwestern Nigeria. Ismaila Abiodun Akinlabi, Ph.D.; Titilope Adegoke, B.Tech.; and Olusola Bolatan, B.Tech. (Keywords: geoelectric parameters, subsoil characteristics, foundation integrity, engineering structures, overburden thickness, bedrock relief).
pjst20_2_332.pdf
Geoelectrical Prospecting for Shallow Aquifers in Otukpo, North-Central Nigeria. Ameh I. Mark, M.Tech. and Amadi A. Nwanosike, Ph.D. (Keywords: geoelectrical, resistivity, profile, Otukpo, 2D, well, Wenner, groundwater).
pjst20_2_352.pdf
Geotechnical Investigation of Soils and Underlying Basement Rock for the Construction of Southern Parkway Bridge at Federal Capital Territory (FCT), Abuja, Northcentral Nigeria. Waheed Gbenga Akande; Olumuyiwa Temitope Akinsanpe; Adeyemi Israel Oyeniran; Yahaya Baba Alkali; Adekola Amos Alabi; and Ibrahim Asema Abdulfatai. (Keywords: Southern Parkway Bridge, federal capital territory, Nigeria, geotechnical survey, geotechnical analyses, strength, basement rock).
pjst20_2_360.pdf
Lineament Analysis and Inference of Geological Structures in Bansara-Boki Area, Southeastern Nigeria. M.A. Agbebia and N. Egesi. (Keywords: lineament, topography, planar and linear structures, index parameters, SE Nigeria).
pjst20_2_372.pdf
Integration of in-situ Susceptibility and Petrographic Data in Study of the Magnetic Properties of some Rocks of Parts of Anambra Basin and Southern Benue Trough, Nigeria. Martina O. Eze, Ph.D. and Ikechukwu B. Ijeh, Ph.D. (Keywords: magnetism, magnetic susceptibility, aeromagnetic, Benue trough).
pjst20_2_387.pdf
Volume 20, Number 1 (May / June 2019)
Engineering and Material Science
Solar Energy as an Alternative for Poultry Brooding in Nigeria and Chick Brooding Requirements: A Review. E.C. Ugwuoke; Audu Ibrahim Ali; Isah Edibo Alhaji; C.P. Ezeigwe; and N.P. Oputa. (Keywords: brooding, alternative energy, temperature, humidity, chicks, poultry rearing)
pjst20_1_5.pdf
Small Scale Solar-Powered Brooder. N.P. Oputa; Audu Ibrahim Ali; E.C. Ugwuoke; C.P. Ezeigwe; and Muhammed Shaibu. (Keywords: solar brooder, chicks, temperature, humidity, poultry farming)
pjst20_1_13.pdf
Solar Powered Refrigeration: Technical Challenges and Uses - A Review. Audu Ibrahim Ali; E.C. Ugwuoke; Muhammed Shaibu; C.P. Ezeigwe; and N.P. Oputa. (Keywords: solar refrigeration, absorption, electricity, cooling, photovoltaic technology)
pjst20_1_21.pdf
A Paint Mixer for Small Scale Paint Production. D.I. Ntunde; E.C. Ugwuoke; N.P. Oputa; and F.A. Folaranmi. (Keywords: paint mixer, electric motor, production quality, fabrication)
pjst20_1_29.pdf
Automatic Rain Activated Wiper for Tricycle. D.I. Ntunde; E.C. Ugwuoke; F.A. Folaranmi; A. Okpanachi; and N.P. Oputa. (Keywords: motorized tricycles, Keke Napep, windshield wipers, automatic wiper, transportation, safety, visibility)
pjst20_1_49.pdf
Energy and Power
Analysis of Power Plan Capabilities in Nigeria’s Electric Grid System for Energy Security.
C.U. Okoye. (Keywords: forecast values, installed capacity, peak generation, available capacity)
pjst20_1_66.pdf
Mathematics and Statistics
An Efficient Hybrid Algorithm for the Computation of Second-Order Fredholm Integro-Differential Equations. J. Sunday; Y. Skwame; O. Sarjiyus; I. Manga; J.A. Mohammed; and B.J. Neils. (Keywords: algorithm, Fredholm equations, hybrid integro-differential equations, second-order) (AMS Subject Classification: 65L05, 65L06, 65D30)
pjst20_1_75.pdf
Least Squares Method and Homotopy Perturbation Method for Solving Fractional Integro-differential Equations. T. Oyedepo, M.Sc.; O.A. Taiwo, Ph.D.; A.F. Adebisi, Ph.D.; C.Y. Ishola, M.Sc.; and O.E. Faniyi, M.Sc. (Keywords: Bernstein polynomials, numerical studies, least squares method, homotopy perturbation)
pjst20_1_86.pdf
Beta-Hjorth Distribution and its Properties. A.A. Akomolafe; A. Maradesa; and H.O. Hassan. (Keywords: Beta-Hjorth, hazard rate function, survival rate function, reliability)
pjst20_1_96.pdf
On the Doubly Truncated Exponential Pareto Distribution. A.A. Akomolafe and A. Maradesa.
(Keywords: doubly truncated exponential Pareto distribution, reliability function, hazard function, maximum likelihood estimation)
pjst20_1_103.pdf
An Alternative Solution to Hotelling T Square under the Heteroscedasticity of the Dispersion Matrix. P.O. Adebayo and G.M. Oyeyemi. (Keywords: variance, co-variance matrix, linear combination, type 1 error rate, power the test, heteroscedasticity, R statistical package)
pjst20_1_112.pdf
A Mathematical Study to Obtain a True Numerical Value of “e” used for Exponential Expression and as a Base for Napierian or Natural Logarithms. John James Essien and Umana Thompson Itaketo. (Keywords: mathematics, series, exponential expression, “e’, logarithm, binomial theorem, infinity, limit)
pjst20_1_128.pdf
Comparison of Some Spike-and-Slab Priors for Bayesian Variable Selection in Multiple Linear Regression. G.M. Oyeyemi; Y.A. Olanrewaju; and R.O. Kolawole. (Keywords: covariates, posterior distribution, precision, regression coefficients, spike-and-slab priors)
pjst20_1_131.pdf
Management, Economics, and Education
Barriers to Lean Adoption for Construction Projects. Benedict Amade, Ph.D.; Charles Nnamdi Ononuju, Ph.D.; Dominic Obodoh, M.Sc.; and Chris Ejimnkonye Okorie, B.Tech. (Keywords: barriers, construction projects, lean, RII construction management, relative importance index)
pjst20_1_153.pdf
Access to Land for Sustainable Agriculture Practices in Nigeria. Olugbenga Adewale Adewoye. (Keywords: agricultural practices, land, land tenure, sustainable economic development)
pjst20_1_167.pdf
Households’ Demand for Fruits and Vegetables in Urban Nigeria. Adekemi A. Obisesan, Ph.D. (Keywords: fruits, vegetables, expenditure, elasticity, urban, Nigeria, dietary components, food economics)
pjst20_1_173.pdf
Assessment of Level of the Knowledge, Utilization and Barriers of Nursing Process as a Tool for Effective Nursing Care Among Nurses in University of Maiduguri Teaching Hospital, Maiduguri, Nigeria. A. Inuwa, M.Ed./M.Sc.; H. Habu, MHPM; O.C. Emmanuel, M.Sc.; B. Maigari, M.Sc.; H. Dathini, M.Sc.; A. Haruna, M.Ed. (in view); and N. Lola, M.Sc. (Keywords: nursing process, level of knowledge, utilization, barriers, nursing education)
pjst20_1_182.pdf
Maximum Daily Cash Transaction Enforcement in Nigeria Cash-Lite Economy. Oluwasogo Adekunle Okunade, M.Sc. (Keywords: multiple financial transactions, Bayes’ theorem, Central Bank of Nigeria, CBN)
pjst20_1_192.pdf
Government Policy and the Growth of Small and Medium Scale Enterprise in Lagos State.
Nkiruka E. Ifekwem. (Keywords: monetary policy, fiscal policy, supply side economics, taxation, business environment)
pjst20_1_201.pdf
The Logistics Strategy and the Growth of E-Commerce in Nigeria. Bashiru Akande Bello, Ph.D.; Ifelara Adebola Rotimi; and Boluwatife O. Omoniyi. (Keywords: logistics, electronic commerce, economic activities, competency assessment, questionnaire research, Jumia Nigeria)
pjst20_1_214.pdf
Assessment of Urban Households’ Involvement in Micro-Enterprises in Ibadan Metropolis, Oyo State, Nigeria. Roseline J. Akinlade, Ph.D. (Keywords: micro-enterprises, urban households, involvement, Ibadan metropolis, Nigeria)
pjst20_1_225.pdf
A Review of the Nigerian Business Environment and its Support for Small and Medium Enterprises. Linus Izediuno Okafor (Keywords: business, entrepreneurship, small business, medium business, business environment, business climate, SMEs)
pjst20_1_235.pdf
Gender Differences in the Technical Efficiency and Profitability of Yam Production among Farmers in Ikole-Ekiti Local Government Area, Ekiti State, Nigeria. Oluwakemi Oduntan, Ph.D. (Keywords: efficiency, Ekiti State, farmers, profitability, yam production, Nigeria)
pjst20_1_246.pdf
Effectiveness of Social Media Applications on Improvement of Technical Education Lecturer-Student Relationships in Nigerian Universities. Bamidele Michael Efuwape, M.Sc. Ed. and Oluwabunmi Asake Efuwape, M.Ed. (Keywords: effectiveness; social media applications; technical education lecturers; technical education students; Nigeria, Nigerian universities)
pjst20_1_254.pdf
The Role of Vocational Training on Entrepreneurship Development. Aderonke Agnes Oyeniyi, Ph.D.; Oluseyi. A. Adeyemi, Ph.D.; and Kanyinsola Cole, B.Sc. (Keywords: entrepreneurship development, vocation, education, Nigeria)
pjst20_1_266.pdf
Chemistry and Biochemistry
Application of Solar-Irradiated Photocatalyst (Periwinkle Shell Ash) for the Degradation of Ethylbenzene in Aqueous Solution. Felix A. Aisien, Ph.D. and Jude O. Osarumwense, Ph.D. (Keywords: ethylbenzene, periwinkle shell ash, degradation, photocatalysis, L-H model)
pjst20_1_280.pdf
Life Sciences and Medicine
Length Base Structure and Growth Parameters of Sarotherodon galilaeus (Pisces: Cichlidae) in Tropical Coastal Estuary, Nigeria. W.O. Abdul; I.T. Omoniyi; A.O. Bashir; A.A. Makinde; E.O. Adekoya; T. Owoade; and J.T. Oriyomi. (Keywords: Bhattacharya’s, length distribution, growth index, Sarotherodon galilaeus, tropical, fisheries, stock assessment, cichlids, big man fish)
pjst20_1_289.pdf
Estimating the Age of Toll-Like Receptor 5 Variants in N'Dama and Other Taurine Cattle. Babatunde Moses Ilori, Ph.D..; David Oluwafemi Oguntade, (M.Agric. in view); Samuel Olutunde Durosaro, Ph.D.; Clement Ebanehitah Isidahomen, Ph.D., and Adebisi Adeleye, (M.Agric. in view)
(Keywords: allele, age, linkage disequilibrium, Toll-like receptor 5, taurine cattle, genetic analysis)
pjst20_1_298.pdf
Proximate and Fiber Composition of Different Parts of Tephrosia bracteolate as Affected by Phosphorus Application Rate and Sowing Date. Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Bolanle Akinyemi, Ph.D.; Abiola Olajide, Ph.D. (in-view); Olufemi Onifade, Ph.D.; Oluwatoyin Ogunrombi, M.Agric.; Aanuoluwapo Adekale, M.Agric.; and Michael Kolade, M.Agric. (Keywords: Tephrosia bracteolata; phosphorus fertilizer; application rate; plant parts)
pjst20_1_308.pdf
Proximate and Fiber Composition of Four Sorghum Cultivars as affected by Age at Harvest. Bolanle Akinyemi, Ph.D.; Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Alaba Jolaosho, Ph.D.; and Tomisin Odebode, B.Agric. (Keywords: sorghum, cultivars, age at harvest)
pjst20_1_316.pdf
Sensory Evaluation of Chicken Sausage as Influenced by Levels of Inclusion of African Basil (Ocimum gratissimum) Leaf Powder. Olufunke Dele, M.Agric.; Olufemi Akinola, Ph.D.; and Samuel Abiola, Ph.D. (Keywords: African basil leaf powder, ABLP, seasoning, chicken sausage, food science)
pjst20_1_321.pdf
Effects of Seed Weights on Germination Rate and Seedling Vigor of Cashew (Anacardium occidentale L.). J.I. Oyekale, M.Tech. and A.I. Okunlola, Ph.D. (Keywords: cashew seed, weight, germination rate, seedling vigor)
pjst20_1_325.pdf
Studies on the Yield and Nutritional Properties of some Local Seeds: Effects of Drying Systems. F.U. Asoiro; C.J. Ohagwu; U.C Abada; and L.O. Okafor (Keywords: flavonoid, phenolic content, oil yield, hot air oven, drying methods, protein content, Soxhlet extractor)
pjst20_1_331.pdf
Isolation, Characterization and Identification of Bacterial isolates from Auto-mechanic Workshop contaminated with Hydrocarbon. Jude O. Osarumwense, Ph.D.; Francis A. Igiebor, M.Sc.; and Daniel E. Idahosa, B.Sc. (Keywords: engine oil, hydrocarbon, microorganisms, degradation, bioremediation, bacteria)
pjst20_1_349.pdf
Geology, Geophysics, and Earth Science
Petrography and Structural Features of Migmatites, Granites and Granite Gneisses at Osokom and its Environs Bansara area Southeastern Nigeria. N. Egesi Ph.D. (Keywords: rock features, petrographic analysis, basement/sedimentary rocks contact, Bansara area, southeast Nigeria)
pjst20_1_356.pdf
Geotechnical Properties and Effects of Palm Kernel Shell Ash and Cement on Residual Soils in Pavement Construction along Owo-Ikare Road, Southwestern Nigeria. Omowumi Ademila, Ph.D. (Keywords: Stabilization, residual soil, palm kernel shell ash, cement, road pavement, geotechnical properties)
pjst20_1_365.pdf
Structural Characteristics of Parts of the Abakaliki Area South-Eastern Nigeria. N. Egesi, Ph.D. (Keywords: Abakaliki anticlinorium, rock types, structures, deformation, magmatism, SE, Nigeria)
pjst20_1_382.pdf
Solar Energy as an Alternative for Poultry Brooding in Nigeria and Chick Brooding Requirements: A Review. E.C. Ugwuoke; Audu Ibrahim Ali; Isah Edibo Alhaji; C.P. Ezeigwe; and N.P. Oputa. (Keywords: brooding, alternative energy, temperature, humidity, chicks, poultry rearing)
pjst20_1_5.pdf
Small Scale Solar-Powered Brooder. N.P. Oputa; Audu Ibrahim Ali; E.C. Ugwuoke; C.P. Ezeigwe; and Muhammed Shaibu. (Keywords: solar brooder, chicks, temperature, humidity, poultry farming)
pjst20_1_13.pdf
Solar Powered Refrigeration: Technical Challenges and Uses - A Review. Audu Ibrahim Ali; E.C. Ugwuoke; Muhammed Shaibu; C.P. Ezeigwe; and N.P. Oputa. (Keywords: solar refrigeration, absorption, electricity, cooling, photovoltaic technology)
pjst20_1_21.pdf
A Paint Mixer for Small Scale Paint Production. D.I. Ntunde; E.C. Ugwuoke; N.P. Oputa; and F.A. Folaranmi. (Keywords: paint mixer, electric motor, production quality, fabrication)
pjst20_1_29.pdf
Automatic Rain Activated Wiper for Tricycle. D.I. Ntunde; E.C. Ugwuoke; F.A. Folaranmi; A. Okpanachi; and N.P. Oputa. (Keywords: motorized tricycles, Keke Napep, windshield wipers, automatic wiper, transportation, safety, visibility)
pjst20_1_49.pdf
Energy and Power
Analysis of Power Plan Capabilities in Nigeria’s Electric Grid System for Energy Security.
C.U. Okoye. (Keywords: forecast values, installed capacity, peak generation, available capacity)
pjst20_1_66.pdf
Mathematics and Statistics
An Efficient Hybrid Algorithm for the Computation of Second-Order Fredholm Integro-Differential Equations. J. Sunday; Y. Skwame; O. Sarjiyus; I. Manga; J.A. Mohammed; and B.J. Neils. (Keywords: algorithm, Fredholm equations, hybrid integro-differential equations, second-order) (AMS Subject Classification: 65L05, 65L06, 65D30)
pjst20_1_75.pdf
Least Squares Method and Homotopy Perturbation Method for Solving Fractional Integro-differential Equations. T. Oyedepo, M.Sc.; O.A. Taiwo, Ph.D.; A.F. Adebisi, Ph.D.; C.Y. Ishola, M.Sc.; and O.E. Faniyi, M.Sc. (Keywords: Bernstein polynomials, numerical studies, least squares method, homotopy perturbation)
pjst20_1_86.pdf
Beta-Hjorth Distribution and its Properties. A.A. Akomolafe; A. Maradesa; and H.O. Hassan. (Keywords: Beta-Hjorth, hazard rate function, survival rate function, reliability)
pjst20_1_96.pdf
On the Doubly Truncated Exponential Pareto Distribution. A.A. Akomolafe and A. Maradesa.
(Keywords: doubly truncated exponential Pareto distribution, reliability function, hazard function, maximum likelihood estimation)
pjst20_1_103.pdf
An Alternative Solution to Hotelling T Square under the Heteroscedasticity of the Dispersion Matrix. P.O. Adebayo and G.M. Oyeyemi. (Keywords: variance, co-variance matrix, linear combination, type 1 error rate, power the test, heteroscedasticity, R statistical package)
pjst20_1_112.pdf
A Mathematical Study to Obtain a True Numerical Value of “e” used for Exponential Expression and as a Base for Napierian or Natural Logarithms. John James Essien and Umana Thompson Itaketo. (Keywords: mathematics, series, exponential expression, “e’, logarithm, binomial theorem, infinity, limit)
pjst20_1_128.pdf
Comparison of Some Spike-and-Slab Priors for Bayesian Variable Selection in Multiple Linear Regression. G.M. Oyeyemi; Y.A. Olanrewaju; and R.O. Kolawole. (Keywords: covariates, posterior distribution, precision, regression coefficients, spike-and-slab priors)
pjst20_1_131.pdf
Management, Economics, and Education
Barriers to Lean Adoption for Construction Projects. Benedict Amade, Ph.D.; Charles Nnamdi Ononuju, Ph.D.; Dominic Obodoh, M.Sc.; and Chris Ejimnkonye Okorie, B.Tech. (Keywords: barriers, construction projects, lean, RII construction management, relative importance index)
pjst20_1_153.pdf
Access to Land for Sustainable Agriculture Practices in Nigeria. Olugbenga Adewale Adewoye. (Keywords: agricultural practices, land, land tenure, sustainable economic development)
pjst20_1_167.pdf
Households’ Demand for Fruits and Vegetables in Urban Nigeria. Adekemi A. Obisesan, Ph.D. (Keywords: fruits, vegetables, expenditure, elasticity, urban, Nigeria, dietary components, food economics)
pjst20_1_173.pdf
Assessment of Level of the Knowledge, Utilization and Barriers of Nursing Process as a Tool for Effective Nursing Care Among Nurses in University of Maiduguri Teaching Hospital, Maiduguri, Nigeria. A. Inuwa, M.Ed./M.Sc.; H. Habu, MHPM; O.C. Emmanuel, M.Sc.; B. Maigari, M.Sc.; H. Dathini, M.Sc.; A. Haruna, M.Ed. (in view); and N. Lola, M.Sc. (Keywords: nursing process, level of knowledge, utilization, barriers, nursing education)
pjst20_1_182.pdf
Maximum Daily Cash Transaction Enforcement in Nigeria Cash-Lite Economy. Oluwasogo Adekunle Okunade, M.Sc. (Keywords: multiple financial transactions, Bayes’ theorem, Central Bank of Nigeria, CBN)
pjst20_1_192.pdf
Government Policy and the Growth of Small and Medium Scale Enterprise in Lagos State.
Nkiruka E. Ifekwem. (Keywords: monetary policy, fiscal policy, supply side economics, taxation, business environment)
pjst20_1_201.pdf
The Logistics Strategy and the Growth of E-Commerce in Nigeria. Bashiru Akande Bello, Ph.D.; Ifelara Adebola Rotimi; and Boluwatife O. Omoniyi. (Keywords: logistics, electronic commerce, economic activities, competency assessment, questionnaire research, Jumia Nigeria)
pjst20_1_214.pdf
Assessment of Urban Households’ Involvement in Micro-Enterprises in Ibadan Metropolis, Oyo State, Nigeria. Roseline J. Akinlade, Ph.D. (Keywords: micro-enterprises, urban households, involvement, Ibadan metropolis, Nigeria)
pjst20_1_225.pdf
A Review of the Nigerian Business Environment and its Support for Small and Medium Enterprises. Linus Izediuno Okafor (Keywords: business, entrepreneurship, small business, medium business, business environment, business climate, SMEs)
pjst20_1_235.pdf
Gender Differences in the Technical Efficiency and Profitability of Yam Production among Farmers in Ikole-Ekiti Local Government Area, Ekiti State, Nigeria. Oluwakemi Oduntan, Ph.D. (Keywords: efficiency, Ekiti State, farmers, profitability, yam production, Nigeria)
pjst20_1_246.pdf
Effectiveness of Social Media Applications on Improvement of Technical Education Lecturer-Student Relationships in Nigerian Universities. Bamidele Michael Efuwape, M.Sc. Ed. and Oluwabunmi Asake Efuwape, M.Ed. (Keywords: effectiveness; social media applications; technical education lecturers; technical education students; Nigeria, Nigerian universities)
pjst20_1_254.pdf
The Role of Vocational Training on Entrepreneurship Development. Aderonke Agnes Oyeniyi, Ph.D.; Oluseyi. A. Adeyemi, Ph.D.; and Kanyinsola Cole, B.Sc. (Keywords: entrepreneurship development, vocation, education, Nigeria)
pjst20_1_266.pdf
Chemistry and Biochemistry
Application of Solar-Irradiated Photocatalyst (Periwinkle Shell Ash) for the Degradation of Ethylbenzene in Aqueous Solution. Felix A. Aisien, Ph.D. and Jude O. Osarumwense, Ph.D. (Keywords: ethylbenzene, periwinkle shell ash, degradation, photocatalysis, L-H model)
pjst20_1_280.pdf
Life Sciences and Medicine
Length Base Structure and Growth Parameters of Sarotherodon galilaeus (Pisces: Cichlidae) in Tropical Coastal Estuary, Nigeria. W.O. Abdul; I.T. Omoniyi; A.O. Bashir; A.A. Makinde; E.O. Adekoya; T. Owoade; and J.T. Oriyomi. (Keywords: Bhattacharya’s, length distribution, growth index, Sarotherodon galilaeus, tropical, fisheries, stock assessment, cichlids, big man fish)
pjst20_1_289.pdf
Estimating the Age of Toll-Like Receptor 5 Variants in N'Dama and Other Taurine Cattle. Babatunde Moses Ilori, Ph.D..; David Oluwafemi Oguntade, (M.Agric. in view); Samuel Olutunde Durosaro, Ph.D.; Clement Ebanehitah Isidahomen, Ph.D., and Adebisi Adeleye, (M.Agric. in view)
(Keywords: allele, age, linkage disequilibrium, Toll-like receptor 5, taurine cattle, genetic analysis)
pjst20_1_298.pdf
Proximate and Fiber Composition of Different Parts of Tephrosia bracteolate as Affected by Phosphorus Application Rate and Sowing Date. Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Bolanle Akinyemi, Ph.D.; Abiola Olajide, Ph.D. (in-view); Olufemi Onifade, Ph.D.; Oluwatoyin Ogunrombi, M.Agric.; Aanuoluwapo Adekale, M.Agric.; and Michael Kolade, M.Agric. (Keywords: Tephrosia bracteolata; phosphorus fertilizer; application rate; plant parts)
pjst20_1_308.pdf
Proximate and Fiber Composition of Four Sorghum Cultivars as affected by Age at Harvest. Bolanle Akinyemi, Ph.D.; Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Alaba Jolaosho, Ph.D.; and Tomisin Odebode, B.Agric. (Keywords: sorghum, cultivars, age at harvest)
pjst20_1_316.pdf
Sensory Evaluation of Chicken Sausage as Influenced by Levels of Inclusion of African Basil (Ocimum gratissimum) Leaf Powder. Olufunke Dele, M.Agric.; Olufemi Akinola, Ph.D.; and Samuel Abiola, Ph.D. (Keywords: African basil leaf powder, ABLP, seasoning, chicken sausage, food science)
pjst20_1_321.pdf
Effects of Seed Weights on Germination Rate and Seedling Vigor of Cashew (Anacardium occidentale L.). J.I. Oyekale, M.Tech. and A.I. Okunlola, Ph.D. (Keywords: cashew seed, weight, germination rate, seedling vigor)
pjst20_1_325.pdf
Studies on the Yield and Nutritional Properties of some Local Seeds: Effects of Drying Systems. F.U. Asoiro; C.J. Ohagwu; U.C Abada; and L.O. Okafor (Keywords: flavonoid, phenolic content, oil yield, hot air oven, drying methods, protein content, Soxhlet extractor)
pjst20_1_331.pdf
Isolation, Characterization and Identification of Bacterial isolates from Auto-mechanic Workshop contaminated with Hydrocarbon. Jude O. Osarumwense, Ph.D.; Francis A. Igiebor, M.Sc.; and Daniel E. Idahosa, B.Sc. (Keywords: engine oil, hydrocarbon, microorganisms, degradation, bioremediation, bacteria)
pjst20_1_349.pdf
Geology, Geophysics, and Earth Science
Petrography and Structural Features of Migmatites, Granites and Granite Gneisses at Osokom and its Environs Bansara area Southeastern Nigeria. N. Egesi Ph.D. (Keywords: rock features, petrographic analysis, basement/sedimentary rocks contact, Bansara area, southeast Nigeria)
pjst20_1_356.pdf
Geotechnical Properties and Effects of Palm Kernel Shell Ash and Cement on Residual Soils in Pavement Construction along Owo-Ikare Road, Southwestern Nigeria. Omowumi Ademila, Ph.D. (Keywords: Stabilization, residual soil, palm kernel shell ash, cement, road pavement, geotechnical properties)
pjst20_1_365.pdf
Structural Characteristics of Parts of the Abakaliki Area South-Eastern Nigeria. N. Egesi, Ph.D. (Keywords: Abakaliki anticlinorium, rock types, structures, deformation, magmatism, SE, Nigeria)
pjst20_1_382.pdf
Volume 19, Number 2 (November / December 2018) |
Engineering and Material Science
Cylindrical Laplacian on 2D FD for Computational Electromagnetics. M. Nuruzzaman, Ph.D. (Keywords: Laplace equation, 2D FD, cylindrical FD)
pjst20_2_5.pdf
Determination of Temperature Variation of a Box-Type Solar Cooker. E.C. Ugwuoke; C.M. Aburu; I. Ofili; N.P. Oputa; and Muhammed Shaibu. (Keywords: conventional fuel, solar cooker, radiation, renewable energy and food)
pjst19_2_12.pdf
Energy and Power
Anaerobic Digestion of 500 Gallons of Reactor Wastewater Sewage Sludge. E.C. Ugwuoke; S.A. Ogunjobi; N.P. Oputa; I. Ofili; and A. Okpanachi. (Keywords: wastewater, sewage sludge, inoculum, biogas, anaerobic digestion)
pjst19_2_17.pdf
Factors Affecting Biogas Production: A Review. S.A. Ogunjobi; E.C. Ugwuoke; C.P. Ezeigwe; I. Ofili; and N.P. Oputa. (Keywords: biogas, nutrients, temperature, loading rate, inhibitors)
pjst19_2_28.pdf
Mathematics and Statistics
Solution of Cholera Disease Model by Parameter Expansion Method. A.A. Ayoade, Ph.D.; O.J. Peter, M.Tech.; S. Amadiegwu, M.Sc.; A.I. Abioye, M.Sc.; A.A. Victor, M.Sc.; and A.F. Adebisi, Ph.D. (Keywords: nonlinear problems, analytic methods, cholera model, parameter expansion method)
pjst19_2_36.pdf
Information Technology and Communications
Automatic Tuning of Proportional–Integral–Derivative Controller using Genetic Algorithm. Joseph Stephen Bassi, Ph.D. and Emmanuel Gbenga Dada, Ph.D. (Keywords: PID Tuning, genetic algorithm, evolutional computation, Siegler-Nichols method, optimization)
pjst19_2_51.pdf
A Survey Analysis of Recognition-Based Graphical Password Art-form Design Attributes. Annie O. Egwali, Ph.D. and John B. Odetayo, M.Sc. (Keywords: graphical password models, art-forms, interfaces, design, usability, security, authentication)
pjst19_2_58.pdf
Appraising Software Product Quality Models Involving Users Perspective: (A Case Study of Authentication Models). Annie O. Egwali, Ph.D.* and Winifred R. Sule, M.Sc. (Keywords: authentication, quality, software product, user, biometrics, software quality, WEBUSE)
pjst19_2_74.pdf
A Proposed Method of Biometric Authentication System using Multi-Modal Features. Dele W.S. Alausa, M.Sc. (Keywords: biometric authentication system, multimodal, fusion, classifiers, trait, security)
pjst19_2_86.pdf
Logistic Model Tree Induction Machine Learning Technique for Email Spam Filtering. Emmanuel Gbenga Dada, Ph.D. and Joseph Stephen Bassi, Ph.D. (Keywords: machine learning, spam filtering, Logistic Model Tree Induction, neural networks, decision trees, naïve Bayes)
pjst19_2_96.pdf
Safety-Critical Model for Process Validation in Paracetamol 500mg Tablet Manufacturing. Annie O. Egwali, Ph.D. and Kingsley C. Nwaekwu, M.Sc. (Keywords: safety, Paracetamol, fuzzy pattern recognition, performance, quality, simulation)
pjst19_2_103.pdf
Projecting Student Population Using Artificial Neural Network. Annie O. Egwali, Ph.D. and Macdonald I. Enabulele, M.Sc. (Keywords: prediction, education, expansion, population, neural network, growth, projection)
pjst19_2_118.pdf
Development of an Android-Based E-Learning System for the Hausa Language. Yakub K. Saheed, Ph.D.; Mustapha Aisha, B.Sc.; and M.O. Alimi, Ph.D. (Keywords: e-learning, PHP, Android, Hausa language)
pjst19_2_130.pdf
Social Networking Challenges and Evaluation. Annie O. Egwali, Ph.D. and Veronica I. Osubor, Ph.D. (Keywords: usability, website, electronic media, social networking, social media, Facebook, Twitter)
pjst19_2_135.pdf
Management, Economics, and Education
Quality and Quality Control in Production: A Review. N.P. Oputa; I.C. Iloani; E.C. Ugwuoke; S.A. Ogunjob; and I. Ofili. (Keywords: production, quality, quality control, quality assurance, reliability)
pjst19_2_146.pdf
Productivity Improvement in Manufacturing Sector. I. Ofili; I.C. Iloani; E.C. Ugwuoke; N.P. Oputa; and S.A. Ogunjobi. (Keywords: productivity, improvement, efficiency, effectiveness, and production)
pjst19_2_159.pdf
Demographic Factors and Organizational Citizenship Behavior in the Wire and Cable Industry in Southwestern Nigeria. Bashiru Akande Bello; Adedayo Mathias Opele; and Caleb I. Orukotan. (Keywords: citizenship, behavior, demographic, employees, productivity)
pjst19_2_168.pdf
Determinants of Technical Efficiency of Shoemaking Enterprises among Small Scale Entrepreneurs in Ondo State, Nigeria. Olubukola Omotinuke Ehinmowo, Ph.D. (Keywords: technical efficiency, TE, shoemaking, stochastic frontier production, Ondo State, Nigeria)
pjst19_2_180.pdf
An Assessment of the Causes and Effects of Abandonment of Road Construction Projects in Osun State Nigeria. Olumide F. Odeyinka; Olalekan Adedamola Oluwaji; and Falade Omokolade D. (Keywords: construction management, road development, project abandonment, public works)
pjst19_2_187.pdf
Preparing Successor and Family Business Sustainability in South-East, Nigeria. Nkiruka E. Ifekwem. (Keywords: family business, small business, successor planning, business sustainability, continuity of operations)
pjst19_2_196.pdf
Assessment of Transformational Leadership and Leadership Style on Business Organizations’ Significant and Positive Change. Oluwakemi O. Oladokun, M.Sc.; Anthony O. Sotunde, M.Sc.; and Kazeem O. Makinde, B.Sc.(Ed). (Keywords: visionary leaders, transformational leadership, transitional leadership, leadership style, business organization, positive and significant change)
pjst19_2_206.pdf
Essentials of Strategic Change Management and Employees Resistance on the Operations of Business Organizations. Oluwakemi O. Oladokun, M.Sc.; Anthony O. Sotunde, M.Sc.; and Kazeem O. Makinde, B.Sc.(Ed). (Keywords: strategic change management, employee resistance, operations, business organizations, decision making)
pjst19_2_218.pdf
A Study of Customers’ Assessment of Quality Practices of Fast Food Entrepreneurs in Southwestern Nigeria. Tolutope O. Fakokunde, Ph.D. (Keywords: quality assurance, ratings, total quality management, standards, fast food, entrepreneurs)
pjst19_2_232.pdf
Automated Revenue Collection System: A Case Study of Edo State Jobs Initiative. Annie O. Egwali, Ph.D. and Kareem Otokiti, M.Sc. (Keywords: revenue, Oredo, Egor, automated, epayments, non-tax)
pjst19_2_242.pdf
Influence of Social Capital on Performance of Micro and Small-Scale Enterprises in Osun State, Nigeria . R.J. Akinlade, Ph.D. (Keywords: social capital, business performance, micro-scale, small-scale enterprise, Nigeria)
pjst19_2_253.pdf
Skills Development Needs of Technical Education Lecturers in use of Technology Facilities and Social Media for Instructional Activities in Nigeria. Kehinde I. Omoniyi; Nsidibeabasi C. Nwokem; Yusuf O. Usman; and Olanipekun O. Idowu. (Keywords: date palm seed, lignocellulosic, bioalkali, plantain peel, reducing sugars)
pjst19_2_264.pdf
Chemistry and Biochemistry
An Assessment of the Potential of Plantain Peel Ash as a Potash Biocatalyst for Producing Reducing Sugar from Phoenix dactylifera Seed Pit. Kehinde I. Omoniy; Nsidibeabasi C. Nwokem; Yusuf O. Usman; and Olanipekun O. Idowu. (Keywords: kinetic studies, equilibrium, zinc, lead, bioremediation, heavy metals)
pjst19_2_276.pdf
Total Alkaloids, Tannin Content, and Antiulcer Assay of Four Selected Medicinal Plants in Nigeria. Benjamin E. Ezema; Chidimma N. Ezema; Priscillia N. Abuekwu; Matthias O. Agbo; and Kovo G. Akpomie. (Keywords: Acanthospermum hispidum, Pachypodanthium staudtii, Phaseolus lunatus, Euphorbia deightonii, antiulcer, cytoprotective ability)
pjst19_2_284.pdf
Life Sciences and Medicine
Botanical Composition, Dry Matter Yield, and Soil Physio-Chemical Properties of Natural Grazing Areas under Sedentary Pastoral System at Different Seasons in South-West Nigeria. Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Bolanle Akinyemi, Ph.D. (in-view); Abiola Olajide, M.Agric.; Oluwatoyin Ogunrombi, B.Agric.; and Aanuoluwapo Adekale, B.Agric.. (Keywords: natural pasture, location, season, forage quality, range land, feed resources)
pjst19_2_295.pdf
Proximate and Fiber Composition of Pennisetum purpureum Varieties in Stylosanthes guianensis Mixed Sward Fertilized with Two Manure Types. Taiwo Oyekunle, M.Agric.; Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Oluwayemisi Aderinboye Ph.D.; Abiola Olajide, M.Agric.; Oluwatoyin Ogunrombi, B.Agric.; Alaba Jolaosho, Ph.D.; and Aanuoluwapo Adekale, B.Agric. (Keywords: elephant grass, napier grass, cook stylo, fertilizer, manure, grass, legume, intercrop, nutritive quality, fodder plants)
pjst19_2_307.pdf
Nutrient Intake and Digestibility of West African Dwarf Rams Fed Toasted Enterolobium cyclocarpum based Multi-Nutrient Feed Blocks. Adekunle Akinlolu, (Ph.D. in view); Oluwasanmi Arigbede, Ph.D.; Dele Peter, Ph.D.; Ayotunde Ogunsakin, (Ph.D. in view); Olumuyiwa Ogunbote, (M.Agric. in view); and Micheal Kolade (M.Agric. in view). (Keywords: toasted Enterolobium cyclocarpum seed meal, TECSM, E. cyclocarpum foliage meal, ECFM, feed block)
pjst19_2_314.pdf
Chemical Composition of Panicum maximum as Influenced by Poultry Manure Rate and Age at Harvest. Peter Dele, Ph.D.; Bolanle Akinyemi, Ph.D.; Oluwafemi Okukenu, Ph.D.; Tunde Amole, Ph.D.; Adekunle Akinlolu Ph.D. (in-view); Gideon Sarumi, M.Agric. (in-view); Foluke Salawu, B.Agric.; and Chika Anotaenwere, B.Agric. (Keywords: manure, salinity, chelate, fiber, guinea grass)
pjst19_2_319.pdf
An Analysis of the Consequences of the Herdsmen-Farmers Crisis in North Central Nigeria using Agent - Based Modelling. Jonathan A. Enokela, Ph.D. (Keywords: herdsmen, farmers, crisis, conflict, agent based modeling)
pjst19_2_326.pdf
Comparative Studies on the Chemical Composition of Chrysophyllum albidum Seed and Five Different Melon Seeds. A.A. Taiwo, Ph.D.; J.O. Ayeni, B.Sc.; O. Osifeso, Ph.D.; and J.A Oyedepo, Ph.D. (Keywords: Chrysophyllum albidum, Curcubit species, nutrients, anti-nutrients)
pjst19_2_337.pdf
Social Exchange Theory: The Transactional Nature of the Quandary Situation Between Poverty and Adolescents’ Sexual Behavior. Olukemi Grace Adebola, Ph.D. (Keywords: adolescents, poverty, sexual behavior, social exchange, teenagers)
pjst19_2_343.pdf
Teenage Pregnancy in Nigeria: An Offshoot of the Social Structure. O.G. Adebola, Ph.D. (Keywords: adolescent, teenage pregnancy, prevalence, puberty, sexual health, sexuality)
pjst19_2_351.pdf
Environmental Science and Ecology
Application of Project Management Techniques to Environmental Impact Assessment (EIA) Methodologies: A Case Study of the Installation of Solar Panels in Afe-Babalola University Ado-Ekiti, Ekiti State. Olumide F. Odeyinka; Adeleke Akinyele; and Onosetale Aiwanose Okpamen. (Keywords: Environmental Impact Assessment, EIA, methodologies, critical path method, Gantt chart, expost facto technique, project management tools and techniques)
pjst19_2_361.pdf
GIS in Modern Zoological Park Management: Case Study of the Federal University of Agriculture, Abeokuta, Nigeria. John A. Oyedepo, Ph.D. and M.O. Oyatogun, Ph.D. (Keywords: geographical information systems, GIS, zoological park, environmental data, spatial data modeling)
pjst19_2_377.pdf
GIS-Supported Survey and Biodiversity Assessment in a Derived Savannah Ecosystem. V John A. Oyedepo, Ph.D.; Moses O. Oyatogun, Ph.D.; Abimbola O. Jayeola, Ph.D.; and Olusegun Oladoye, Ph.D. (Keywords: ornamental gardens, ornamental plants, exotic species, native species, Southwest Nigeria)
pjst19_2_388.pdf
Geology, Geophysics, and Earth Science
Hydrocarbon Potential of Late Miocene to Early Pliocene Source Rocks of Shallow Offshore, Niger Delta Basin, Nigeria. Oladotun Afolabi Oluwajana, Ph.D. (Keywords: source rock, shallow offshore, hydrocarbon potential, Niger Delta Basin)
pjst19_2_399.pdf
Palynostratigraphy and Palynoenvironmental Study of Adeobak-2 Well, Offshore Niger Delta, Southern Nigeria. O.C. Adeigbe, Ph.D. and K.A. Obakhume, B.Sc. (Keywords: palynomorphs, paleoenvironments, palynozones, Oligcene, Miocene, PMI)
pjst19_2_410.pdf
Cylindrical Laplacian on 2D FD for Computational Electromagnetics. M. Nuruzzaman, Ph.D. (Keywords: Laplace equation, 2D FD, cylindrical FD)
pjst20_2_5.pdf
Determination of Temperature Variation of a Box-Type Solar Cooker. E.C. Ugwuoke; C.M. Aburu; I. Ofili; N.P. Oputa; and Muhammed Shaibu. (Keywords: conventional fuel, solar cooker, radiation, renewable energy and food)
pjst19_2_12.pdf
Energy and Power
Anaerobic Digestion of 500 Gallons of Reactor Wastewater Sewage Sludge. E.C. Ugwuoke; S.A. Ogunjobi; N.P. Oputa; I. Ofili; and A. Okpanachi. (Keywords: wastewater, sewage sludge, inoculum, biogas, anaerobic digestion)
pjst19_2_17.pdf
Factors Affecting Biogas Production: A Review. S.A. Ogunjobi; E.C. Ugwuoke; C.P. Ezeigwe; I. Ofili; and N.P. Oputa. (Keywords: biogas, nutrients, temperature, loading rate, inhibitors)
pjst19_2_28.pdf
Mathematics and Statistics
Solution of Cholera Disease Model by Parameter Expansion Method. A.A. Ayoade, Ph.D.; O.J. Peter, M.Tech.; S. Amadiegwu, M.Sc.; A.I. Abioye, M.Sc.; A.A. Victor, M.Sc.; and A.F. Adebisi, Ph.D. (Keywords: nonlinear problems, analytic methods, cholera model, parameter expansion method)
pjst19_2_36.pdf
Information Technology and Communications
Automatic Tuning of Proportional–Integral–Derivative Controller using Genetic Algorithm. Joseph Stephen Bassi, Ph.D. and Emmanuel Gbenga Dada, Ph.D. (Keywords: PID Tuning, genetic algorithm, evolutional computation, Siegler-Nichols method, optimization)
pjst19_2_51.pdf
A Survey Analysis of Recognition-Based Graphical Password Art-form Design Attributes. Annie O. Egwali, Ph.D. and John B. Odetayo, M.Sc. (Keywords: graphical password models, art-forms, interfaces, design, usability, security, authentication)
pjst19_2_58.pdf
Appraising Software Product Quality Models Involving Users Perspective: (A Case Study of Authentication Models). Annie O. Egwali, Ph.D.* and Winifred R. Sule, M.Sc. (Keywords: authentication, quality, software product, user, biometrics, software quality, WEBUSE)
pjst19_2_74.pdf
A Proposed Method of Biometric Authentication System using Multi-Modal Features. Dele W.S. Alausa, M.Sc. (Keywords: biometric authentication system, multimodal, fusion, classifiers, trait, security)
pjst19_2_86.pdf
Logistic Model Tree Induction Machine Learning Technique for Email Spam Filtering. Emmanuel Gbenga Dada, Ph.D. and Joseph Stephen Bassi, Ph.D. (Keywords: machine learning, spam filtering, Logistic Model Tree Induction, neural networks, decision trees, naïve Bayes)
pjst19_2_96.pdf
Safety-Critical Model for Process Validation in Paracetamol 500mg Tablet Manufacturing. Annie O. Egwali, Ph.D. and Kingsley C. Nwaekwu, M.Sc. (Keywords: safety, Paracetamol, fuzzy pattern recognition, performance, quality, simulation)
pjst19_2_103.pdf
Projecting Student Population Using Artificial Neural Network. Annie O. Egwali, Ph.D. and Macdonald I. Enabulele, M.Sc. (Keywords: prediction, education, expansion, population, neural network, growth, projection)
pjst19_2_118.pdf
Development of an Android-Based E-Learning System for the Hausa Language. Yakub K. Saheed, Ph.D.; Mustapha Aisha, B.Sc.; and M.O. Alimi, Ph.D. (Keywords: e-learning, PHP, Android, Hausa language)
pjst19_2_130.pdf
Social Networking Challenges and Evaluation. Annie O. Egwali, Ph.D. and Veronica I. Osubor, Ph.D. (Keywords: usability, website, electronic media, social networking, social media, Facebook, Twitter)
pjst19_2_135.pdf
Management, Economics, and Education
Quality and Quality Control in Production: A Review. N.P. Oputa; I.C. Iloani; E.C. Ugwuoke; S.A. Ogunjob; and I. Ofili. (Keywords: production, quality, quality control, quality assurance, reliability)
pjst19_2_146.pdf
Productivity Improvement in Manufacturing Sector. I. Ofili; I.C. Iloani; E.C. Ugwuoke; N.P. Oputa; and S.A. Ogunjobi. (Keywords: productivity, improvement, efficiency, effectiveness, and production)
pjst19_2_159.pdf
Demographic Factors and Organizational Citizenship Behavior in the Wire and Cable Industry in Southwestern Nigeria. Bashiru Akande Bello; Adedayo Mathias Opele; and Caleb I. Orukotan. (Keywords: citizenship, behavior, demographic, employees, productivity)
pjst19_2_168.pdf
Determinants of Technical Efficiency of Shoemaking Enterprises among Small Scale Entrepreneurs in Ondo State, Nigeria. Olubukola Omotinuke Ehinmowo, Ph.D. (Keywords: technical efficiency, TE, shoemaking, stochastic frontier production, Ondo State, Nigeria)
pjst19_2_180.pdf
An Assessment of the Causes and Effects of Abandonment of Road Construction Projects in Osun State Nigeria. Olumide F. Odeyinka; Olalekan Adedamola Oluwaji; and Falade Omokolade D. (Keywords: construction management, road development, project abandonment, public works)
pjst19_2_187.pdf
Preparing Successor and Family Business Sustainability in South-East, Nigeria. Nkiruka E. Ifekwem. (Keywords: family business, small business, successor planning, business sustainability, continuity of operations)
pjst19_2_196.pdf
Assessment of Transformational Leadership and Leadership Style on Business Organizations’ Significant and Positive Change. Oluwakemi O. Oladokun, M.Sc.; Anthony O. Sotunde, M.Sc.; and Kazeem O. Makinde, B.Sc.(Ed). (Keywords: visionary leaders, transformational leadership, transitional leadership, leadership style, business organization, positive and significant change)
pjst19_2_206.pdf
Essentials of Strategic Change Management and Employees Resistance on the Operations of Business Organizations. Oluwakemi O. Oladokun, M.Sc.; Anthony O. Sotunde, M.Sc.; and Kazeem O. Makinde, B.Sc.(Ed). (Keywords: strategic change management, employee resistance, operations, business organizations, decision making)
pjst19_2_218.pdf
A Study of Customers’ Assessment of Quality Practices of Fast Food Entrepreneurs in Southwestern Nigeria. Tolutope O. Fakokunde, Ph.D. (Keywords: quality assurance, ratings, total quality management, standards, fast food, entrepreneurs)
pjst19_2_232.pdf
Automated Revenue Collection System: A Case Study of Edo State Jobs Initiative. Annie O. Egwali, Ph.D. and Kareem Otokiti, M.Sc. (Keywords: revenue, Oredo, Egor, automated, epayments, non-tax)
pjst19_2_242.pdf
Influence of Social Capital on Performance of Micro and Small-Scale Enterprises in Osun State, Nigeria . R.J. Akinlade, Ph.D. (Keywords: social capital, business performance, micro-scale, small-scale enterprise, Nigeria)
pjst19_2_253.pdf
Skills Development Needs of Technical Education Lecturers in use of Technology Facilities and Social Media for Instructional Activities in Nigeria. Kehinde I. Omoniyi; Nsidibeabasi C. Nwokem; Yusuf O. Usman; and Olanipekun O. Idowu. (Keywords: date palm seed, lignocellulosic, bioalkali, plantain peel, reducing sugars)
pjst19_2_264.pdf
Chemistry and Biochemistry
An Assessment of the Potential of Plantain Peel Ash as a Potash Biocatalyst for Producing Reducing Sugar from Phoenix dactylifera Seed Pit. Kehinde I. Omoniy; Nsidibeabasi C. Nwokem; Yusuf O. Usman; and Olanipekun O. Idowu. (Keywords: kinetic studies, equilibrium, zinc, lead, bioremediation, heavy metals)
pjst19_2_276.pdf
Total Alkaloids, Tannin Content, and Antiulcer Assay of Four Selected Medicinal Plants in Nigeria. Benjamin E. Ezema; Chidimma N. Ezema; Priscillia N. Abuekwu; Matthias O. Agbo; and Kovo G. Akpomie. (Keywords: Acanthospermum hispidum, Pachypodanthium staudtii, Phaseolus lunatus, Euphorbia deightonii, antiulcer, cytoprotective ability)
pjst19_2_284.pdf
Life Sciences and Medicine
Botanical Composition, Dry Matter Yield, and Soil Physio-Chemical Properties of Natural Grazing Areas under Sedentary Pastoral System at Different Seasons in South-West Nigeria. Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Bolanle Akinyemi, Ph.D. (in-view); Abiola Olajide, M.Agric.; Oluwatoyin Ogunrombi, B.Agric.; and Aanuoluwapo Adekale, B.Agric.. (Keywords: natural pasture, location, season, forage quality, range land, feed resources)
pjst19_2_295.pdf
Proximate and Fiber Composition of Pennisetum purpureum Varieties in Stylosanthes guianensis Mixed Sward Fertilized with Two Manure Types. Taiwo Oyekunle, M.Agric.; Oluwafemi Okukenu, Ph.D.; Peter Dele, Ph.D.; Oluwayemisi Aderinboye Ph.D.; Abiola Olajide, M.Agric.; Oluwatoyin Ogunrombi, B.Agric.; Alaba Jolaosho, Ph.D.; and Aanuoluwapo Adekale, B.Agric. (Keywords: elephant grass, napier grass, cook stylo, fertilizer, manure, grass, legume, intercrop, nutritive quality, fodder plants)
pjst19_2_307.pdf
Nutrient Intake and Digestibility of West African Dwarf Rams Fed Toasted Enterolobium cyclocarpum based Multi-Nutrient Feed Blocks. Adekunle Akinlolu, (Ph.D. in view); Oluwasanmi Arigbede, Ph.D.; Dele Peter, Ph.D.; Ayotunde Ogunsakin, (Ph.D. in view); Olumuyiwa Ogunbote, (M.Agric. in view); and Micheal Kolade (M.Agric. in view). (Keywords: toasted Enterolobium cyclocarpum seed meal, TECSM, E. cyclocarpum foliage meal, ECFM, feed block)
pjst19_2_314.pdf
Chemical Composition of Panicum maximum as Influenced by Poultry Manure Rate and Age at Harvest. Peter Dele, Ph.D.; Bolanle Akinyemi, Ph.D.; Oluwafemi Okukenu, Ph.D.; Tunde Amole, Ph.D.; Adekunle Akinlolu Ph.D. (in-view); Gideon Sarumi, M.Agric. (in-view); Foluke Salawu, B.Agric.; and Chika Anotaenwere, B.Agric. (Keywords: manure, salinity, chelate, fiber, guinea grass)
pjst19_2_319.pdf
An Analysis of the Consequences of the Herdsmen-Farmers Crisis in North Central Nigeria using Agent - Based Modelling. Jonathan A. Enokela, Ph.D. (Keywords: herdsmen, farmers, crisis, conflict, agent based modeling)
pjst19_2_326.pdf
Comparative Studies on the Chemical Composition of Chrysophyllum albidum Seed and Five Different Melon Seeds. A.A. Taiwo, Ph.D.; J.O. Ayeni, B.Sc.; O. Osifeso, Ph.D.; and J.A Oyedepo, Ph.D. (Keywords: Chrysophyllum albidum, Curcubit species, nutrients, anti-nutrients)
pjst19_2_337.pdf
Social Exchange Theory: The Transactional Nature of the Quandary Situation Between Poverty and Adolescents’ Sexual Behavior. Olukemi Grace Adebola, Ph.D. (Keywords: adolescents, poverty, sexual behavior, social exchange, teenagers)
pjst19_2_343.pdf
Teenage Pregnancy in Nigeria: An Offshoot of the Social Structure. O.G. Adebola, Ph.D. (Keywords: adolescent, teenage pregnancy, prevalence, puberty, sexual health, sexuality)
pjst19_2_351.pdf
Environmental Science and Ecology
Application of Project Management Techniques to Environmental Impact Assessment (EIA) Methodologies: A Case Study of the Installation of Solar Panels in Afe-Babalola University Ado-Ekiti, Ekiti State. Olumide F. Odeyinka; Adeleke Akinyele; and Onosetale Aiwanose Okpamen. (Keywords: Environmental Impact Assessment, EIA, methodologies, critical path method, Gantt chart, expost facto technique, project management tools and techniques)
pjst19_2_361.pdf
GIS in Modern Zoological Park Management: Case Study of the Federal University of Agriculture, Abeokuta, Nigeria. John A. Oyedepo, Ph.D. and M.O. Oyatogun, Ph.D. (Keywords: geographical information systems, GIS, zoological park, environmental data, spatial data modeling)
pjst19_2_377.pdf
GIS-Supported Survey and Biodiversity Assessment in a Derived Savannah Ecosystem. V John A. Oyedepo, Ph.D.; Moses O. Oyatogun, Ph.D.; Abimbola O. Jayeola, Ph.D.; and Olusegun Oladoye, Ph.D. (Keywords: ornamental gardens, ornamental plants, exotic species, native species, Southwest Nigeria)
pjst19_2_388.pdf
Geology, Geophysics, and Earth Science
Hydrocarbon Potential of Late Miocene to Early Pliocene Source Rocks of Shallow Offshore, Niger Delta Basin, Nigeria. Oladotun Afolabi Oluwajana, Ph.D. (Keywords: source rock, shallow offshore, hydrocarbon potential, Niger Delta Basin)
pjst19_2_399.pdf
Palynostratigraphy and Palynoenvironmental Study of Adeobak-2 Well, Offshore Niger Delta, Southern Nigeria. O.C. Adeigbe, Ph.D. and K.A. Obakhume, B.Sc. (Keywords: palynomorphs, paleoenvironments, palynozones, Oligcene, Miocene, PMI)
pjst19_2_410.pdf
Volume 19, Number 1 (May / June 2018)
Engineering and Material Science
Control Modeling of Fluid Temperature in Heat Exchangers. I.E. Ohue, M.O. Petinrin, O.E. Zebulun; and R.A. Kazeem. (Keywords: feed-forward controller, MATLAB, heat exchanger, SIMULINK)
pjst19_1_5.pdf
Environmental Waste Management through the Utilization of Waste Plastics Polyethylene Terephthalate (PET) and Low Density Polyethylene (LDPE) as Partial Replacement of Sand in the Production of Concrete Blocks. I.K. Ejiogu, P.A. Mamza, P.O. Nkeonye, and A.S. Yaro. (Keywords: waste plastics, environmental waste management, concrete blocks, compressive strength)
pjst19_1_12.pdf
Comparative Study of Various Methods for Designing and Proportioning Normal Concrete Mixture. I.K. Ejiogu, P.A. Mamza, P.O. Nkeonye, and A.S. Yaro. (Keywords: ACI method, aggregate cement ratio, DOE method, IS method, normal concrete)
pjst19_1_22.pdf
Energy and Power
Optimal Allocation of SVCs in Transmission Networks Considering System Loadability using Exponential Adaptive Bacterial Foraging Algorithm. U. Musa, A.A. Mati, S.M. Aminu, and A. Mohammad. (Keywords: Static Var Compensator, Exponential Adaptive Bacterial Foraging Algorithm, Loadability, Newton-Raphson Power Flow)
pjst19_1_37.pdf
The Effect of pH, Volatile, and Total Solid in Cumulative Yield of Methane. I. Ofili, E.N. Anike, C.B. Ugwuodo, K.C. Onyeneho, and F.C. Umunna. (Keywords: biogas, cow dung, anaerobic digestion, slurry temperature, ambient temperature)
pjst19_1_63.pdf
Trade-Off between Gas Production and Gas Flaring in Nigeria. F.B. Adebola and E.I. Olamide. (Keywords: gas flaring, gross domestic product, per capita income, investment, econometric model, statistical inference)
pjst19_1_71.pdf
A 100 Liter Capacity Solar Water Heater for a Household of Three Individuals. C.B. Ugwuodo, E.C. Ugwuoke, E.N. Anike, K.C. Onyeneho, and F.C. Umunna. (Keywords: solar water heater, insolation, ambient temperature, collector, water)
pjst19_1_80.pdf
Physics and Atmospheric Physics
Estimating the Time of Death using the Lump System Analysis. G.I. Olatona and A.O. Popoola. (Keywords: time of death, lump system analysis, forensic science, heat transfer, coroner, police)
pjst19_1_90.pdf
Mathematics and Statistics
A Study of Asymptotic Distribution of Tau ( ) Agreement Index. A.A. Akinloye, A.O. Adejumo, O.O.M. Sanni, and E.T. Jolayemi. (Keywords: agreement, confidence bound, beyond chance, asymptotic distribution, Tau statistic, raters, inverse theorem)
pjst19_1_96.pdf
On Bayesian Analysis of Univariate Longitudinal Clinical Data (ULCD). G.A. Dawodu, O.M. Olayiwola, and O.E. Asiribo. (Keywords: Bayesian analysis; ULCD; Markov Chain Monte Carlo, MCMC simulations; probability density distribution, PDF, rjags)
pjst19_1_105.pdf
Some Robust and Classical Nonparametric Procedures of Estimations in Linear Regression Model. F.B. Adebola, E.I. Olamide, and O.O. Alabi. (Keywords: least absolute deviation, least trimmed squares Monte Carlo simulation, ordinary least squares, regression analysis Theil’s non-parametric, weighted Theil’s non-parametric procedures)
pjst19_1_111.pdf
A New Robust Method for Estimating Linear Regression Model in the Presence of Outliers. T. Alanamu and G.M. Oyeyemi. (Keywords: robust regression, case indicator, Ridge regression, outlier)
pjst19_1_125.pdf
Homotopy Perturbation Method for Solving SIR Infectious Disease Model by Incorporating Vaccination. O.J. Peter and A.F. Awoniran. (Keywords: SIR infectious disease model, epidemic model, homotopy perturbation method, HPM)
pjst19_1_133.pdf
Stand-in Procedure to Multivariate Behrens-Fisher Problem. G.M. Oyeyemi and P.O. Adebayo. (Keywords: multivariate Behrens-Fisher problem, Type 1 error rate, power of the test, heteroscedasticity)
pjst19_1_141.pdf
Local Stability Analysis of a River Blindness Disease Model with Control. F.A. Oguntolu, G. Bolarin, S.A. Somma, and A.O. Bello. (Keywords: basic reproduction number; disease free equilibrium; river blindness; stability)
pjst19_1_151.pdf
Information Technology and Communications
Application of RFID Technology and GSM Network to Control Maintenance Activities of Radio Networks. S. Moradi and E.S. Eneyo. (Keywords: GSM, global system for mobile communication, BTS, base transceiver station, RFID, radio-frequency identification, preventive maintenance)
pjst19_1_159.pdf
Arduino UNO Microcontroller Based Automatic Fish Feeder. E.G. Dada, N.C. Theophine, and A.L. Adekunle. (Keywords: Arduino UNO, automatic fish feeder; aquarium; fish ponds; feeding)
pjst19_1_168.pdf
A Stochastic Collocation Algorithm Method for Processing the Yoruba Language Using the Data Context Approach Based on Text, Lexicon, and Gramma. O.A. Enikuomehin and O.O. Adewumi. (Keywords: Yoruba, lexicon, part of speech, collocation algorithm, WordNet, hidden Markov model)
pjst19_1_175.pdf
Derivation of Reliability Estimation Model for Metrically Reliable Software Product Development. O.M. Alimi, F.E. Usman-Hamza, I.O. Mustapha, and B.S. Ogidan. (Keywords: software, reliability, serial-module, parallel-module, critical systems)
pjst19_1_182.pdf
Individual and Organizational Acceptance of Technology Theories and Models: Conceptual Gap and Possible Solutions. A.E. Evwiekpaefe, S.C. Chiemeke, and M.Z. Haruna. (Keywords: acceptance, gap, individual, model, organizational, technology)
pjst19_1_189.pdf
Management, Economics, and Education
Technology Transfer and Entrepreneurial Development in the Value Chain System of the Nigerian Oil and Gas Industry. Z. Abu, I.I. Aun, and O.O. Oluwasanmi. (Keywords: technology transfer, oil and gas entrepreneurship, value chain)
pjst19_1_50.pdf
A Genetic Neuro Fuzzy Approach for Handling the Nurse Rostering Problem. F.I. Amadin. and M.E. Bello. (Keywords: nurse rostering; genetic algorithm; neuro-fuzzy system)
pjst19_1_198.pdf
University Education vs Students’ Productivity in Computing: The Environment as a Judge. A.C. Obienu and F.I. Amadin. (Keywords: computer science, learning environment, school activities, guardian support, student productivity)
pjst19_1_206.pdf
A Principal Component Analysis of Lean Six Sigma Tools and Techniques. O.F. Odeyinka. and C. Nwoye. (Keywords: Lean Six Sigma, LSS, principal component analysis, PCA)
pjst19_1_214.pdf
Customer Relationship Management and Customer Retention of Bus Rapid Transit (BRT) In Lagos State, Nigeria. T.A. Onifade, L.I. Okafor, and A.M. Opele. (Keywords: customers, customer relationship management, customer retention, ambient condition, transit system, public transportation)
pjst19_1_223.pdf
Chemistry and Biochemistry
Kinetic and Equilibrium Studies of the Adsorption of Pb (II) and Zn (II) from Aqueous Solution onto Plantain Stalk (Musa paradisiaca). E.O. Benson. (Keywords: kinetic studies, equilibrium, zinc, lead, bioremediation, heavy metals)
pjst19_1_230.pdf
Effect of Fermentation on Nutritional Composition of African Oil Bean Seed. G.O. Mbah, U.A. Onyeabo, and B.C. Udeh. (Keywords: oil bean seed, fermentation, nutritive values, physico-chemical properites)
pjst19_1_244.pdf
Characterization of Mbaukwu Clay from Awka-South Anambra State Nigeria for Industrial Purpose. G.N. Chikwelu, T.U. Onuegbu, C.C. Ezeofor, and K.G. Akpomie. (Keywords: Mbaukwu clay, refractory, industrial use)
pjst19_1_251.pdf
Life Sciences and Medicine
Proximate and In Vitro Gas Production of Toasted Enterolobium cyclocarpum based Multi-Nutrient Feed Block. A. Akinlolu, O. Arigbede, P. Dele, and A., Ogunsakin. (Keywords: toasted Enterolobium cyclocarpum seed meal, TECSM, E. cyclocarpum foliage meal, ECFM, feed block)
pjst19_1_251.pdf
Proximate and Fiber Composition of Panicum maximum and Centrosema molle Silage as Affected by Different Proportions and Ensiling Periods. O. Okukenu, O. Ogunrombi, P. Dele, B. Akinyemi, A. Olajide, O. Onifade, and A. Jolaosho. (Keywords: Panicum maximum, Centrosema molle, forage proportion and ensiling periods)
pjst19_1_264.pdf
Effect of Replacing Back Fat of Cattle with Abdominal Fat on Quality Characteristics of Beef Sausage. O. Dele, O, Sogunle, T. Saka, and S. Abiola. (Keywords: abdominal fat, back fat, beef sausage, food science)
pjst19_1_271.pdf
Solar Drying of Potato using Solar Dryer. C.M. Aburu, U.E. Nsuabia, E.I. Ugwoke, J.C. Abia, and C.P. Ezeigwe. (Keywords: solar drying, open air drying, crops, energy, wet weight, dry weight)
pjst19_1_275.pdf
Nanotechnology in Medical Practice. O.D. Oladimeji and A. Adedoyin. (Keywords: nanotechnology, medicine, medical practice, stratified random sampling survey)
pjst19_1_281.pdf
Relationship between Occupational Stress, Job Satisfaction, Alcohol Consumption, and Domestic Violence among Police Officers in Ikeja, Lagos State, Nigeria. S.A. Odedokun. (Keywords: law enforcement, police officers, occupational stress, job satisfaction, alcohol consumption, domestic violence, physical health, mental health)
pjst19_1_288.pdf
Increasing Trend in Rape cases in Asian Subcontinent: A Review. V.P. Gupta. and D.B. Shrestha. (Keywords: sexual violence, rape, India, law enforcement, gender specific violence)
pjst19_1_296.pdf
Environmental Science and Ecology
Desalting of Brackish Water. E.N. Anike, C.B. Ugwuodo, K.C. Onyeneho, F.C. Umunna, and F.A. Folaranmi. (Keywords: desalting, desalinization, brackish water, solar radiation, temperature, distillate)
pjst19_1_310.pdf
Bioremediation Potentials of a Petroleum Hydrocarbon Polluted Soil by Aspergillus oryzae (JQ675305.1) Isolated from Diseased Irvingia gabonensis Seeds. A.A.A. Sanyaolu, A.A. Adekunle, and A.A. Osuntoki. (Keywords: mycoremediation, Aspergillus sp., oil pollution, total petroleum hydrocarbon (TPH), Irvingia gabonensis, soil macronutrients)
pjst19_1_321.pdf
A Survey of the Most Common Ornamental Plants in Southwest Nigeria. V.T. Sanyaolu, R.O. Awodoyin, and S. Ogunyemi. (Keywords: ornamental gardens, ornamental plants, exotic species, native species, Southwest Nigeria)
pjst19_1_334.pdf
With Inclusion and Equity, can Sustainable Development Goals (SDGs) Flower within the Planetary Boundaries? N. Havaligi. (Keywords: Sustainable Development Goals, SDGs, Planetary Boundaries, biodiversity, water resources, climate change, agriculture, environmental management, sustainability, inclusivity)
pjst19_1_389.pdf
Geology, Geophysics, and Earth Science
Tectonic Lineament Patterns from Geological and Ground Magnetic Study of Western Part of Adamawa Massif, North Eastern Nigeria. A. Yusuf, N.E. Bassey; J. Barka, and U.Y. Yaro. (Keywords: Adamawa Massif, lineaments, magnetic anomalies, tectonic)
pjst19_1_342.pdf
“Hydrogeochemical Investigation of Groundwater Resources in Umunya and Environs of the Anambra Basin, Nigeria. M.E. Egbunike. (Keywords: groundwater, quality, phsico-chemical analyses, lithostratigraphic, formation, geochemistry)
pjst19_1_351.pdf
Unravelling the Sedimentary Facies of the Tidal Channel and Tidal Flat Deposits within a Macrotidal Estuarine Setting: The Nanka Formation, South-Eastern Nigeria. O.C. Ekwenye and O.C. Onyemesili. (Keywords: tide generated sedimentary structures, tidal range, hydrodynamic processes)
pjst19_1_367.pdf
Control Modeling of Fluid Temperature in Heat Exchangers. I.E. Ohue, M.O. Petinrin, O.E. Zebulun; and R.A. Kazeem. (Keywords: feed-forward controller, MATLAB, heat exchanger, SIMULINK)
pjst19_1_5.pdf
Environmental Waste Management through the Utilization of Waste Plastics Polyethylene Terephthalate (PET) and Low Density Polyethylene (LDPE) as Partial Replacement of Sand in the Production of Concrete Blocks. I.K. Ejiogu, P.A. Mamza, P.O. Nkeonye, and A.S. Yaro. (Keywords: waste plastics, environmental waste management, concrete blocks, compressive strength)
pjst19_1_12.pdf
Comparative Study of Various Methods for Designing and Proportioning Normal Concrete Mixture. I.K. Ejiogu, P.A. Mamza, P.O. Nkeonye, and A.S. Yaro. (Keywords: ACI method, aggregate cement ratio, DOE method, IS method, normal concrete)
pjst19_1_22.pdf
Energy and Power
Optimal Allocation of SVCs in Transmission Networks Considering System Loadability using Exponential Adaptive Bacterial Foraging Algorithm. U. Musa, A.A. Mati, S.M. Aminu, and A. Mohammad. (Keywords: Static Var Compensator, Exponential Adaptive Bacterial Foraging Algorithm, Loadability, Newton-Raphson Power Flow)
pjst19_1_37.pdf
The Effect of pH, Volatile, and Total Solid in Cumulative Yield of Methane. I. Ofili, E.N. Anike, C.B. Ugwuodo, K.C. Onyeneho, and F.C. Umunna. (Keywords: biogas, cow dung, anaerobic digestion, slurry temperature, ambient temperature)
pjst19_1_63.pdf
Trade-Off between Gas Production and Gas Flaring in Nigeria. F.B. Adebola and E.I. Olamide. (Keywords: gas flaring, gross domestic product, per capita income, investment, econometric model, statistical inference)
pjst19_1_71.pdf
A 100 Liter Capacity Solar Water Heater for a Household of Three Individuals. C.B. Ugwuodo, E.C. Ugwuoke, E.N. Anike, K.C. Onyeneho, and F.C. Umunna. (Keywords: solar water heater, insolation, ambient temperature, collector, water)
pjst19_1_80.pdf
Physics and Atmospheric Physics
Estimating the Time of Death using the Lump System Analysis. G.I. Olatona and A.O. Popoola. (Keywords: time of death, lump system analysis, forensic science, heat transfer, coroner, police)
pjst19_1_90.pdf
Mathematics and Statistics
A Study of Asymptotic Distribution of Tau ( ) Agreement Index. A.A. Akinloye, A.O. Adejumo, O.O.M. Sanni, and E.T. Jolayemi. (Keywords: agreement, confidence bound, beyond chance, asymptotic distribution, Tau statistic, raters, inverse theorem)
pjst19_1_96.pdf
On Bayesian Analysis of Univariate Longitudinal Clinical Data (ULCD). G.A. Dawodu, O.M. Olayiwola, and O.E. Asiribo. (Keywords: Bayesian analysis; ULCD; Markov Chain Monte Carlo, MCMC simulations; probability density distribution, PDF, rjags)
pjst19_1_105.pdf
Some Robust and Classical Nonparametric Procedures of Estimations in Linear Regression Model. F.B. Adebola, E.I. Olamide, and O.O. Alabi. (Keywords: least absolute deviation, least trimmed squares Monte Carlo simulation, ordinary least squares, regression analysis Theil’s non-parametric, weighted Theil’s non-parametric procedures)
pjst19_1_111.pdf
A New Robust Method for Estimating Linear Regression Model in the Presence of Outliers. T. Alanamu and G.M. Oyeyemi. (Keywords: robust regression, case indicator, Ridge regression, outlier)
pjst19_1_125.pdf
Homotopy Perturbation Method for Solving SIR Infectious Disease Model by Incorporating Vaccination. O.J. Peter and A.F. Awoniran. (Keywords: SIR infectious disease model, epidemic model, homotopy perturbation method, HPM)
pjst19_1_133.pdf
Stand-in Procedure to Multivariate Behrens-Fisher Problem. G.M. Oyeyemi and P.O. Adebayo. (Keywords: multivariate Behrens-Fisher problem, Type 1 error rate, power of the test, heteroscedasticity)
pjst19_1_141.pdf
Local Stability Analysis of a River Blindness Disease Model with Control. F.A. Oguntolu, G. Bolarin, S.A. Somma, and A.O. Bello. (Keywords: basic reproduction number; disease free equilibrium; river blindness; stability)
pjst19_1_151.pdf
Information Technology and Communications
Application of RFID Technology and GSM Network to Control Maintenance Activities of Radio Networks. S. Moradi and E.S. Eneyo. (Keywords: GSM, global system for mobile communication, BTS, base transceiver station, RFID, radio-frequency identification, preventive maintenance)
pjst19_1_159.pdf
Arduino UNO Microcontroller Based Automatic Fish Feeder. E.G. Dada, N.C. Theophine, and A.L. Adekunle. (Keywords: Arduino UNO, automatic fish feeder; aquarium; fish ponds; feeding)
pjst19_1_168.pdf
A Stochastic Collocation Algorithm Method for Processing the Yoruba Language Using the Data Context Approach Based on Text, Lexicon, and Gramma. O.A. Enikuomehin and O.O. Adewumi. (Keywords: Yoruba, lexicon, part of speech, collocation algorithm, WordNet, hidden Markov model)
pjst19_1_175.pdf
Derivation of Reliability Estimation Model for Metrically Reliable Software Product Development. O.M. Alimi, F.E. Usman-Hamza, I.O. Mustapha, and B.S. Ogidan. (Keywords: software, reliability, serial-module, parallel-module, critical systems)
pjst19_1_182.pdf
Individual and Organizational Acceptance of Technology Theories and Models: Conceptual Gap and Possible Solutions. A.E. Evwiekpaefe, S.C. Chiemeke, and M.Z. Haruna. (Keywords: acceptance, gap, individual, model, organizational, technology)
pjst19_1_189.pdf
Management, Economics, and Education
Technology Transfer and Entrepreneurial Development in the Value Chain System of the Nigerian Oil and Gas Industry. Z. Abu, I.I. Aun, and O.O. Oluwasanmi. (Keywords: technology transfer, oil and gas entrepreneurship, value chain)
pjst19_1_50.pdf
A Genetic Neuro Fuzzy Approach for Handling the Nurse Rostering Problem. F.I. Amadin. and M.E. Bello. (Keywords: nurse rostering; genetic algorithm; neuro-fuzzy system)
pjst19_1_198.pdf
University Education vs Students’ Productivity in Computing: The Environment as a Judge. A.C. Obienu and F.I. Amadin. (Keywords: computer science, learning environment, school activities, guardian support, student productivity)
pjst19_1_206.pdf
A Principal Component Analysis of Lean Six Sigma Tools and Techniques. O.F. Odeyinka. and C. Nwoye. (Keywords: Lean Six Sigma, LSS, principal component analysis, PCA)
pjst19_1_214.pdf
Customer Relationship Management and Customer Retention of Bus Rapid Transit (BRT) In Lagos State, Nigeria. T.A. Onifade, L.I. Okafor, and A.M. Opele. (Keywords: customers, customer relationship management, customer retention, ambient condition, transit system, public transportation)
pjst19_1_223.pdf
Chemistry and Biochemistry
Kinetic and Equilibrium Studies of the Adsorption of Pb (II) and Zn (II) from Aqueous Solution onto Plantain Stalk (Musa paradisiaca). E.O. Benson. (Keywords: kinetic studies, equilibrium, zinc, lead, bioremediation, heavy metals)
pjst19_1_230.pdf
Effect of Fermentation on Nutritional Composition of African Oil Bean Seed. G.O. Mbah, U.A. Onyeabo, and B.C. Udeh. (Keywords: oil bean seed, fermentation, nutritive values, physico-chemical properites)
pjst19_1_244.pdf
Characterization of Mbaukwu Clay from Awka-South Anambra State Nigeria for Industrial Purpose. G.N. Chikwelu, T.U. Onuegbu, C.C. Ezeofor, and K.G. Akpomie. (Keywords: Mbaukwu clay, refractory, industrial use)
pjst19_1_251.pdf
Life Sciences and Medicine
Proximate and In Vitro Gas Production of Toasted Enterolobium cyclocarpum based Multi-Nutrient Feed Block. A. Akinlolu, O. Arigbede, P. Dele, and A., Ogunsakin. (Keywords: toasted Enterolobium cyclocarpum seed meal, TECSM, E. cyclocarpum foliage meal, ECFM, feed block)
pjst19_1_251.pdf
Proximate and Fiber Composition of Panicum maximum and Centrosema molle Silage as Affected by Different Proportions and Ensiling Periods. O. Okukenu, O. Ogunrombi, P. Dele, B. Akinyemi, A. Olajide, O. Onifade, and A. Jolaosho. (Keywords: Panicum maximum, Centrosema molle, forage proportion and ensiling periods)
pjst19_1_264.pdf
Effect of Replacing Back Fat of Cattle with Abdominal Fat on Quality Characteristics of Beef Sausage. O. Dele, O, Sogunle, T. Saka, and S. Abiola. (Keywords: abdominal fat, back fat, beef sausage, food science)
pjst19_1_271.pdf
Solar Drying of Potato using Solar Dryer. C.M. Aburu, U.E. Nsuabia, E.I. Ugwoke, J.C. Abia, and C.P. Ezeigwe. (Keywords: solar drying, open air drying, crops, energy, wet weight, dry weight)
pjst19_1_275.pdf
Nanotechnology in Medical Practice. O.D. Oladimeji and A. Adedoyin. (Keywords: nanotechnology, medicine, medical practice, stratified random sampling survey)
pjst19_1_281.pdf
Relationship between Occupational Stress, Job Satisfaction, Alcohol Consumption, and Domestic Violence among Police Officers in Ikeja, Lagos State, Nigeria. S.A. Odedokun. (Keywords: law enforcement, police officers, occupational stress, job satisfaction, alcohol consumption, domestic violence, physical health, mental health)
pjst19_1_288.pdf
Increasing Trend in Rape cases in Asian Subcontinent: A Review. V.P. Gupta. and D.B. Shrestha. (Keywords: sexual violence, rape, India, law enforcement, gender specific violence)
pjst19_1_296.pdf
Environmental Science and Ecology
Desalting of Brackish Water. E.N. Anike, C.B. Ugwuodo, K.C. Onyeneho, F.C. Umunna, and F.A. Folaranmi. (Keywords: desalting, desalinization, brackish water, solar radiation, temperature, distillate)
pjst19_1_310.pdf
Bioremediation Potentials of a Petroleum Hydrocarbon Polluted Soil by Aspergillus oryzae (JQ675305.1) Isolated from Diseased Irvingia gabonensis Seeds. A.A.A. Sanyaolu, A.A. Adekunle, and A.A. Osuntoki. (Keywords: mycoremediation, Aspergillus sp., oil pollution, total petroleum hydrocarbon (TPH), Irvingia gabonensis, soil macronutrients)
pjst19_1_321.pdf
A Survey of the Most Common Ornamental Plants in Southwest Nigeria. V.T. Sanyaolu, R.O. Awodoyin, and S. Ogunyemi. (Keywords: ornamental gardens, ornamental plants, exotic species, native species, Southwest Nigeria)
pjst19_1_334.pdf
With Inclusion and Equity, can Sustainable Development Goals (SDGs) Flower within the Planetary Boundaries? N. Havaligi. (Keywords: Sustainable Development Goals, SDGs, Planetary Boundaries, biodiversity, water resources, climate change, agriculture, environmental management, sustainability, inclusivity)
pjst19_1_389.pdf
Geology, Geophysics, and Earth Science
Tectonic Lineament Patterns from Geological and Ground Magnetic Study of Western Part of Adamawa Massif, North Eastern Nigeria. A. Yusuf, N.E. Bassey; J. Barka, and U.Y. Yaro. (Keywords: Adamawa Massif, lineaments, magnetic anomalies, tectonic)
pjst19_1_342.pdf
“Hydrogeochemical Investigation of Groundwater Resources in Umunya and Environs of the Anambra Basin, Nigeria. M.E. Egbunike. (Keywords: groundwater, quality, phsico-chemical analyses, lithostratigraphic, formation, geochemistry)
pjst19_1_351.pdf
Unravelling the Sedimentary Facies of the Tidal Channel and Tidal Flat Deposits within a Macrotidal Estuarine Setting: The Nanka Formation, South-Eastern Nigeria. O.C. Ekwenye and O.C. Onyemesili. (Keywords: tide generated sedimentary structures, tidal range, hydrodynamic processes)
pjst19_1_367.pdf
Volume 18, Number 2 (November / December 2017)
Engineering and Material Science
Dynamic Behavior of Brushless DC Motor under the Application of PI, PD, PID, and Fuzzy Logic Controllers. Philip A. Adewuyi, M.Sc. and Emmanuel O. Lawani, B.Eng. (Keywords: PI controller, PD controller, PID controller, fuzzy logic controller, brushless DC motor, BLDC)
pjst18_2_5.pdf
Development of an Intelligent Obstruction Detection System for Automobiles. O.O. Shoewu; S.O. Olatinwo; and D.D. Olatinwo (Keywords: obstruction and intrusion detection, sensors, microcontroller, MPLAB)
pjst18_2_11.pdf
Shrinkage Characteristics of Cassava Peel Ash Concrete. Efe Ewaen Ikponmwosa, Ph.D. and Kolawole Adisa Olonade, Ph.D. (Keywords: shrinkage strain, cassava peel ash concentrate, CPAC, pozzolanic reaction, shrinkage deformation rate)
pjst18_2_23.pdf
Energy and Power
X-Ray Digester Types and Anaerobic Digestion of Pig Manure. C.B. Ugwuodo; E.C. Ugwuoke; B.I. Onyia; I. Ofili; and P.I. Okoh. (Keywords: bio-digester, pig manure, total solid, pretreatment, biogas, renewable energy)
pjst18_2_33.pdf
Optimization of the Fermentation Conditions for the Production of Bioethanol from Cane Sugar Molasses using Saccharomyces cerevisae. C.O.B. Okoye; O.L. Alum; K.G. Akpomie; and T.N. Alumona. (Keywords: bioethanol, fermentation, Saccharomyces cerevisiae, substrate, sugar molasses)
pjst18_2_48.pdf
Physics and Atmospheric Physics
Influence of Magnetic Field on Couple Stress Flow through Porous Channel with Entropy Generation. Jacob A. Gbadeyan and Abiodun A. Opanuga. (Keywords: magnetohydrodynamic, porous channel, entropy generation, differential transform method, DTM, Adomian decomposition method, ADM)
pjst18_2_57.pdf
Design and Development of a 2.4 GHz Slot Antenna. L.A. Akinyemi; O.O. Shoewu; A.A. Ajasa; and W.A. Alao. (Keywords: slot antenna, MathCAD, antenna parameters, electric field, radiation pattern)
pjst18_2_67.pdf
Mathematics and Statistics
A Four-Stage Gauss-Lobatto Integral with Accurate Error Estimation Formula for ODES. S.A. Agam, Ph.D. (Keywords: Gauss-Lobatto polynomials, guadrature points, collocation method, Runge Kutt f-evaluations, error estimation, highly efficient, Astable)
pjst18_2_78.pdf
A Bootstrap Method for Box-Jenkins Models with Application on Brent Crude Oil Prices per Barrel. Adebowale Olusola Adejumo and James Daniel. (Keywords: autocorrelation, partial autocorrelation, autoregressive integrated moving average, ARIMA, autoregressive moving average, ARMA, autoregressive, AR, moving average, MA, differencing, Brent crude oil, stationary series, bootstrap, block bootstrap, nonoverlapping block bootstrap, moving block bootstrap, circular block bootstrap, stationary block bootstrap, sieve bootstrap)
pjst18_2_88.pdf
Stability Analysis of Disease Free Equilibrium (DFE) State of a Mathematical Model of Yellow Fever Incorporating Secondary Host. Samuel Abu Somma, M.Tech.; Ninuola Ifeoluwa Akinwande, Ph.D.; Mohammed Jiya, Ph.D.; and Sirajo Abdulrahaman, Ph.D. (Keywords: PI controller, PD controller, PID controller, fuzzy logic controller, brushless DC motor, BLDC)
pjst18_2_110.pdf
Information Technology and Communications
Object Resizing: A Subtle Tool in Digital Animation. M. Nuruzzaman, Ph.D. (Keywords: image animation, image scaling, image resizing)
pjst18_2_120.pdf
Generative Power of Context-Conditional Grammars. R.O. Oladele and B. Yusuf. (Keywords: formal languages, generative power, context-conditional grammars)
pjst18_2_128.pdf
Wireless Network Modelling and Analysis using Path Loss Models. S.O. Olatinwo; L.I. Oborkhale; and O.O. Shoewu. (Keywords: path loss, COST231 model, COST WI model, free space model)
pjst18_2_132.pdf
Analysis of Outdoor Path Loss Measurements for Triple Frequency Spectrum in Lagos State. O.O. Shoewu; L.I. Oborkhale; N.O. Salau; and O.O. Bashorun. (Keywords: global system for mobile communication, GSM, modelling, propagation environment, KPI, Rxlev, RSSI, pathloss)
pjst18_2_144.pdf
Analysis and Prediction of Indoor wireless Propagation Using adaptive NeuroFuzzy Inference System. O.O. Bashorun; O.O. Shoewu; W.A. Alao; L.I. Oborkhale; and N.O. Salau. (Keywords: RSSI, ANFIS, RMSE, Chi-Square, SNR, Path-Loss)
pjst18_2_144.pdf
Gap Analysis of the Service Quality of a University ICT Centre in Nigeria. O.V. Mejabi, Ph.D.; Ismaeel A. Sikiru, B.Sc.; and O.D. Agbeti, B.Sc. (Keywords: quality of service, QOS, information, communications, technology, university, center)
pjst18_2_163.pdf
Management, Economics, and Education
Critical Success Factors for Corporate Entrepreneurship Development in Selected Organizations in South-west Nigeria. Johnson O. Adeoti, Ph.D.; Oludele Matthew Asabi; Yinusa A. Olawale; and Mulikat Abdulrahim. (Keywords: entrepreneurship training, organizational
survival, management support, industry)
pjst18_2_187.pdf
Modeling and Forecasting the Production Volume of 7up Bottling Company Nig. PLC: A SARIMA Models Approach. A. Maradesa and A.A. Akomolafe. (Keywords: Akaike’ Information Criterion, AIC, Bayesian Information Criterion, BIC, white noise, Kwiatkowski-Phillips-Schmidt-Shin, KPSS, Jarque Bera test, Augmented Dickey Fuller, ADF)
pjst18_2_199.pdf
Organizational Reward and Job Tension among Nigerian Agriculture Researchers: Implications on Personnel Work-Attitudes. Oluwatoyin Aduke Oso, Ph.D.; Richard Akinwunmi Oyeyinka, Ph.D.; Okanlade Adesokan Lawal-Adebowale, Ph.D.; and Dare Akerele, Ph.D. (Keywords: agriculture researchers, job satisfaction, job tension, organizational commitment, organizational reward)
pjst18_2_221.pdf
Impact of Economic Recession on the Marketing of Pharmaceutical Products in Kwara State, Nigeria. Isaac Iortimbir Aun, Ph.D.; Zakeri Abu, Ph.D.; Taiwo Ganiyu Oladipo, Ph.D.; and Sunday John Akpan, Ph.D. (Keywords: economic recession, marketing, pharmaceutical products)
pjst18_2_229.pdf
Non-Parametric Testing: A Case Study of Extended Analysis for Ranked Data with Ties. A.A. Akomolafe; F.B. Adebola; and O.I. Oseghale. (Keywords: rank effect, linear constant, Friedman analysis, nonlinear effect, umbrella effect)
pjst18_2_239.pdf
Socio-Economic Impact of Road Traffic Congestion on Urban Mobility: A Case Study of Ikeja Local Government Area of Lagos State, Nigeria. Oluwaseyi Joseph Afolabi, Ph.D. (In View); Olalekan Adedamola Oluwaji, Ph.D. (In View); and Olawunmi K. Fashola, Ph.D. (In View). (Keywords: traffic, passengers, congestion, public transport)
pjst18_2_246.pdf
Discrimination of People Living with HIV/AIDS by Health Care Students of Islamic University in Uganda. A. Inuwa, M.Ed.; L.A. Nafiu, Ph.D.; H. Habu, MHPM; B. Maigari, M.Sc.; A. Haruna, BNSc.; A.A. Gagare, Ph.D.; M.K. Aisha, BNSc.; and N. Sarah, D.Med.. (Keywords: HIV/AIDS, knowledge, attitude, discrimination, PLWHA, people living with HIV/AIDS, health care students)
pjst18_2_256.pdf
Determinants of Women Empowerment in Rural Households in Kwara State, Nigeria. Kemi. F. Omotesho, Ph.D.; Azeez Muhammad-Lawal, Ph.D.; Oluwaremilekun Jimoh, M.Sc.; Ivie L. Olaghere Ph.D.; and Nimat M. Abdulraheem, Ph.D. (Keywords: women empowerment index, determinants, rural households, Nigeria)
pjst18_2_269__1_.pdf
Chemistry and Biochemistry
Assessment of Stabilities of Two Local Plant Dyes as Colorants for Petroleum Products (Petrol, Kerosene, and Diesel). C.A. Nwadinigwe; O.M. Ilojeme; A.O. Nwadinigwe; T.N. Alumona; and K.G. Akpomie. (Keywords: Pterocarpusosun, Lawsoniainermis, petroleum products, colorants, stability)
pjst18_2_278.pdf
Investigation of Bioactive Phytochemical Compounds from Aqueous Ethanol Extracts of Leaves of Phyllanthus amarus Schum and Thonn by Gas Chromatography-Mass Spectrometry (GC-MS). Patience O. Adomi. (Keywords: aqueous ethanol extract, GC-MS analysis, 3, 7, 11, 15-tetramethyl-2-hexadecen`-1-ol, Phyllanthus amarus)
pjst18_2_284.pdf
Life Sciences and Medicine
Evaluation of Demographic Pattern of Asthma Patients in Nigeria: Insight from a Multilevel Analysis. A.A. Akomolafe and C.A. Awogbemi. (Keywords: asthma disease, demographic pattern, gender influence, risk factors, age, predictive model)
pjst18_2_292.pdf
Zika Virus Disease: A Global Health Challenge. F.A. Kuta; A.S. Adedeji, N.U. Adabara, J.D. Bala, and A. Hamidu. (Keywords: MR766 cluster, Flaviviridae, Zika virus infection, sentinel rhesus monkey, Asian genotype)
pjst18_2_305.pdf
Co-Infection of Hepatitis B and C Surface Antigens among Secondary School Students in Jos-North Local Government Area of Plateau State, Nigeria. Hero Godwin; Happiness Johnson; and Emmanuel Fasosin. (Keywords: prevalence, co-infection HBV, HCV)
pjst18_2_318.pdf
In Vivo Trace Element Determination: Acute Toxicity Test and Effect of Unripe Cocos nucifera Fluid on Body Organs. E.L. Onyeyilim; B.E. Ezema; K.G. Akpomie; F.K. Ojo; and O.L. Alum. (Keywords: albino mice, unripe coconut water, malaria parasite (Mp+), trace elements, ALT, AST, creatinine, urea, uric acid, acid phosphate)
pjst18_2_330.pdf
Analysis of Poultry Farmers’ use of Pests and Disease Control Strategies in Kwara State, Nigeria. Gbolagade B. Adesiji, Ph.D.; Kemi F. Omotesho, Ph.D.; A.O. Kayode Ph.D.; and Kabirat Ahmed, B.Agric. (Keywords: poultry, pests, disease, management, control)
pjst18_2_335.pdf
Nutritional Evaluation of Processed Cassava Root Meal using Albino Rats. O.A. Akapo; W.A. Olayemi; A.O. Oso; R.A Olorunsola; and A.M. Bamgbose. (Keywords: cassava meal, process, broiler, fermented ensiled, nutritive value, Manihot esculenta Crantz)
pjst18_2_364.pdf
Environmental Science and Ecology
Assessment of the Effects of Industrial Effluents on the Water Resources in Challawa Industrial Area, Kano, Nigeria. V.N. Okolo; A.W. Butu; and E.A. Olowolafe. (Keywords: upstream, downstream, river samples, surface water, groundwater, sludge, heavy metals)
pjst18_2_352.pdf
Organochlorine Pesticides Residues in Water, Sediment, and Various Species of Fish from Komadugu River Basin, Yobe State, Nigeria. Zakari Mohammed; Joseph C. Akan; Shamsu Ahmad; and Abba Hassan. (Keywords: Komadugu River basin, water, sediment, fish, extraction, cleanup, contamination)
pjst18_2_364.pdf
Assessment of the Effects of Deforestation using GIS and Remote Sensing Applications in Shendam District, Plateau State Nigeria. Buba Yenhor Alfred; Prof. Ayuba K. Haruna; Dr. Jibrin Sule; and Lawan Surajo Abdullahi. (Keywords: GIS, remote sensing, deforestation, land degradation, tree planing)
pjst18_2_380.pdf
Dynamic Behavior of Brushless DC Motor under the Application of PI, PD, PID, and Fuzzy Logic Controllers. Philip A. Adewuyi, M.Sc. and Emmanuel O. Lawani, B.Eng. (Keywords: PI controller, PD controller, PID controller, fuzzy logic controller, brushless DC motor, BLDC)
pjst18_2_5.pdf
Development of an Intelligent Obstruction Detection System for Automobiles. O.O. Shoewu; S.O. Olatinwo; and D.D. Olatinwo (Keywords: obstruction and intrusion detection, sensors, microcontroller, MPLAB)
pjst18_2_11.pdf
Shrinkage Characteristics of Cassava Peel Ash Concrete. Efe Ewaen Ikponmwosa, Ph.D. and Kolawole Adisa Olonade, Ph.D. (Keywords: shrinkage strain, cassava peel ash concentrate, CPAC, pozzolanic reaction, shrinkage deformation rate)
pjst18_2_23.pdf
Energy and Power
X-Ray Digester Types and Anaerobic Digestion of Pig Manure. C.B. Ugwuodo; E.C. Ugwuoke; B.I. Onyia; I. Ofili; and P.I. Okoh. (Keywords: bio-digester, pig manure, total solid, pretreatment, biogas, renewable energy)
pjst18_2_33.pdf
Optimization of the Fermentation Conditions for the Production of Bioethanol from Cane Sugar Molasses using Saccharomyces cerevisae. C.O.B. Okoye; O.L. Alum; K.G. Akpomie; and T.N. Alumona. (Keywords: bioethanol, fermentation, Saccharomyces cerevisiae, substrate, sugar molasses)
pjst18_2_48.pdf
Physics and Atmospheric Physics
Influence of Magnetic Field on Couple Stress Flow through Porous Channel with Entropy Generation. Jacob A. Gbadeyan and Abiodun A. Opanuga. (Keywords: magnetohydrodynamic, porous channel, entropy generation, differential transform method, DTM, Adomian decomposition method, ADM)
pjst18_2_57.pdf
Design and Development of a 2.4 GHz Slot Antenna. L.A. Akinyemi; O.O. Shoewu; A.A. Ajasa; and W.A. Alao. (Keywords: slot antenna, MathCAD, antenna parameters, electric field, radiation pattern)
pjst18_2_67.pdf
Mathematics and Statistics
A Four-Stage Gauss-Lobatto Integral with Accurate Error Estimation Formula for ODES. S.A. Agam, Ph.D. (Keywords: Gauss-Lobatto polynomials, guadrature points, collocation method, Runge Kutt f-evaluations, error estimation, highly efficient, Astable)
pjst18_2_78.pdf
A Bootstrap Method for Box-Jenkins Models with Application on Brent Crude Oil Prices per Barrel. Adebowale Olusola Adejumo and James Daniel. (Keywords: autocorrelation, partial autocorrelation, autoregressive integrated moving average, ARIMA, autoregressive moving average, ARMA, autoregressive, AR, moving average, MA, differencing, Brent crude oil, stationary series, bootstrap, block bootstrap, nonoverlapping block bootstrap, moving block bootstrap, circular block bootstrap, stationary block bootstrap, sieve bootstrap)
pjst18_2_88.pdf
Stability Analysis of Disease Free Equilibrium (DFE) State of a Mathematical Model of Yellow Fever Incorporating Secondary Host. Samuel Abu Somma, M.Tech.; Ninuola Ifeoluwa Akinwande, Ph.D.; Mohammed Jiya, Ph.D.; and Sirajo Abdulrahaman, Ph.D. (Keywords: PI controller, PD controller, PID controller, fuzzy logic controller, brushless DC motor, BLDC)
pjst18_2_110.pdf
Information Technology and Communications
Object Resizing: A Subtle Tool in Digital Animation. M. Nuruzzaman, Ph.D. (Keywords: image animation, image scaling, image resizing)
pjst18_2_120.pdf
Generative Power of Context-Conditional Grammars. R.O. Oladele and B. Yusuf. (Keywords: formal languages, generative power, context-conditional grammars)
pjst18_2_128.pdf
Wireless Network Modelling and Analysis using Path Loss Models. S.O. Olatinwo; L.I. Oborkhale; and O.O. Shoewu. (Keywords: path loss, COST231 model, COST WI model, free space model)
pjst18_2_132.pdf
Analysis of Outdoor Path Loss Measurements for Triple Frequency Spectrum in Lagos State. O.O. Shoewu; L.I. Oborkhale; N.O. Salau; and O.O. Bashorun. (Keywords: global system for mobile communication, GSM, modelling, propagation environment, KPI, Rxlev, RSSI, pathloss)
pjst18_2_144.pdf
Analysis and Prediction of Indoor wireless Propagation Using adaptive NeuroFuzzy Inference System. O.O. Bashorun; O.O. Shoewu; W.A. Alao; L.I. Oborkhale; and N.O. Salau. (Keywords: RSSI, ANFIS, RMSE, Chi-Square, SNR, Path-Loss)
pjst18_2_144.pdf
Gap Analysis of the Service Quality of a University ICT Centre in Nigeria. O.V. Mejabi, Ph.D.; Ismaeel A. Sikiru, B.Sc.; and O.D. Agbeti, B.Sc. (Keywords: quality of service, QOS, information, communications, technology, university, center)
pjst18_2_163.pdf
Management, Economics, and Education
Critical Success Factors for Corporate Entrepreneurship Development in Selected Organizations in South-west Nigeria. Johnson O. Adeoti, Ph.D.; Oludele Matthew Asabi; Yinusa A. Olawale; and Mulikat Abdulrahim. (Keywords: entrepreneurship training, organizational
survival, management support, industry)
pjst18_2_187.pdf
Modeling and Forecasting the Production Volume of 7up Bottling Company Nig. PLC: A SARIMA Models Approach. A. Maradesa and A.A. Akomolafe. (Keywords: Akaike’ Information Criterion, AIC, Bayesian Information Criterion, BIC, white noise, Kwiatkowski-Phillips-Schmidt-Shin, KPSS, Jarque Bera test, Augmented Dickey Fuller, ADF)
pjst18_2_199.pdf
Organizational Reward and Job Tension among Nigerian Agriculture Researchers: Implications on Personnel Work-Attitudes. Oluwatoyin Aduke Oso, Ph.D.; Richard Akinwunmi Oyeyinka, Ph.D.; Okanlade Adesokan Lawal-Adebowale, Ph.D.; and Dare Akerele, Ph.D. (Keywords: agriculture researchers, job satisfaction, job tension, organizational commitment, organizational reward)
pjst18_2_221.pdf
Impact of Economic Recession on the Marketing of Pharmaceutical Products in Kwara State, Nigeria. Isaac Iortimbir Aun, Ph.D.; Zakeri Abu, Ph.D.; Taiwo Ganiyu Oladipo, Ph.D.; and Sunday John Akpan, Ph.D. (Keywords: economic recession, marketing, pharmaceutical products)
pjst18_2_229.pdf
Non-Parametric Testing: A Case Study of Extended Analysis for Ranked Data with Ties. A.A. Akomolafe; F.B. Adebola; and O.I. Oseghale. (Keywords: rank effect, linear constant, Friedman analysis, nonlinear effect, umbrella effect)
pjst18_2_239.pdf
Socio-Economic Impact of Road Traffic Congestion on Urban Mobility: A Case Study of Ikeja Local Government Area of Lagos State, Nigeria. Oluwaseyi Joseph Afolabi, Ph.D. (In View); Olalekan Adedamola Oluwaji, Ph.D. (In View); and Olawunmi K. Fashola, Ph.D. (In View). (Keywords: traffic, passengers, congestion, public transport)
pjst18_2_246.pdf
Discrimination of People Living with HIV/AIDS by Health Care Students of Islamic University in Uganda. A. Inuwa, M.Ed.; L.A. Nafiu, Ph.D.; H. Habu, MHPM; B. Maigari, M.Sc.; A. Haruna, BNSc.; A.A. Gagare, Ph.D.; M.K. Aisha, BNSc.; and N. Sarah, D.Med.. (Keywords: HIV/AIDS, knowledge, attitude, discrimination, PLWHA, people living with HIV/AIDS, health care students)
pjst18_2_256.pdf
Determinants of Women Empowerment in Rural Households in Kwara State, Nigeria. Kemi. F. Omotesho, Ph.D.; Azeez Muhammad-Lawal, Ph.D.; Oluwaremilekun Jimoh, M.Sc.; Ivie L. Olaghere Ph.D.; and Nimat M. Abdulraheem, Ph.D. (Keywords: women empowerment index, determinants, rural households, Nigeria)
pjst18_2_269__1_.pdf
Chemistry and Biochemistry
Assessment of Stabilities of Two Local Plant Dyes as Colorants for Petroleum Products (Petrol, Kerosene, and Diesel). C.A. Nwadinigwe; O.M. Ilojeme; A.O. Nwadinigwe; T.N. Alumona; and K.G. Akpomie. (Keywords: Pterocarpusosun, Lawsoniainermis, petroleum products, colorants, stability)
pjst18_2_278.pdf
Investigation of Bioactive Phytochemical Compounds from Aqueous Ethanol Extracts of Leaves of Phyllanthus amarus Schum and Thonn by Gas Chromatography-Mass Spectrometry (GC-MS). Patience O. Adomi. (Keywords: aqueous ethanol extract, GC-MS analysis, 3, 7, 11, 15-tetramethyl-2-hexadecen`-1-ol, Phyllanthus amarus)
pjst18_2_284.pdf
Life Sciences and Medicine
Evaluation of Demographic Pattern of Asthma Patients in Nigeria: Insight from a Multilevel Analysis. A.A. Akomolafe and C.A. Awogbemi. (Keywords: asthma disease, demographic pattern, gender influence, risk factors, age, predictive model)
pjst18_2_292.pdf
Zika Virus Disease: A Global Health Challenge. F.A. Kuta; A.S. Adedeji, N.U. Adabara, J.D. Bala, and A. Hamidu. (Keywords: MR766 cluster, Flaviviridae, Zika virus infection, sentinel rhesus monkey, Asian genotype)
pjst18_2_305.pdf
Co-Infection of Hepatitis B and C Surface Antigens among Secondary School Students in Jos-North Local Government Area of Plateau State, Nigeria. Hero Godwin; Happiness Johnson; and Emmanuel Fasosin. (Keywords: prevalence, co-infection HBV, HCV)
pjst18_2_318.pdf
In Vivo Trace Element Determination: Acute Toxicity Test and Effect of Unripe Cocos nucifera Fluid on Body Organs. E.L. Onyeyilim; B.E. Ezema; K.G. Akpomie; F.K. Ojo; and O.L. Alum. (Keywords: albino mice, unripe coconut water, malaria parasite (Mp+), trace elements, ALT, AST, creatinine, urea, uric acid, acid phosphate)
pjst18_2_330.pdf
Analysis of Poultry Farmers’ use of Pests and Disease Control Strategies in Kwara State, Nigeria. Gbolagade B. Adesiji, Ph.D.; Kemi F. Omotesho, Ph.D.; A.O. Kayode Ph.D.; and Kabirat Ahmed, B.Agric. (Keywords: poultry, pests, disease, management, control)
pjst18_2_335.pdf
Nutritional Evaluation of Processed Cassava Root Meal using Albino Rats. O.A. Akapo; W.A. Olayemi; A.O. Oso; R.A Olorunsola; and A.M. Bamgbose. (Keywords: cassava meal, process, broiler, fermented ensiled, nutritive value, Manihot esculenta Crantz)
pjst18_2_364.pdf
Environmental Science and Ecology
Assessment of the Effects of Industrial Effluents on the Water Resources in Challawa Industrial Area, Kano, Nigeria. V.N. Okolo; A.W. Butu; and E.A. Olowolafe. (Keywords: upstream, downstream, river samples, surface water, groundwater, sludge, heavy metals)
pjst18_2_352.pdf
Organochlorine Pesticides Residues in Water, Sediment, and Various Species of Fish from Komadugu River Basin, Yobe State, Nigeria. Zakari Mohammed; Joseph C. Akan; Shamsu Ahmad; and Abba Hassan. (Keywords: Komadugu River basin, water, sediment, fish, extraction, cleanup, contamination)
pjst18_2_364.pdf
Assessment of the Effects of Deforestation using GIS and Remote Sensing Applications in Shendam District, Plateau State Nigeria. Buba Yenhor Alfred; Prof. Ayuba K. Haruna; Dr. Jibrin Sule; and Lawan Surajo Abdullahi. (Keywords: GIS, remote sensing, deforestation, land degradation, tree planing)
pjst18_2_380.pdf
Volume 18, Number 1 (May/ June 2017)
Engineering and Material Science
Development and Performance Evaluation of Jominy End-Quench Apparatus. Jacob O. Aweda, Ph.D.; Sunday O. Abegunde, B.Eng.; and Raheedat M. Mahamood, Ph.D. (Keywords: Jominy end-quench apparatus, hardenability, Brinell hardness, water, brine)
pjst18_1_5.pdf
Design and Development of a Gas Fired Reverberatory Furnace: In View of Huge Gas Reserves in Nigeria. B.C. Chukwudi and M.B. Ogunedo. (Keywords: reverberatory, furnace, gas, aluminum, recycling, non-ferrous metals)
pjst18_1_13.pdf
Design of Cylinder Block of an 80cc Spark Ignition (SI) Aluminum Engine. Raphael Sylvester Ebhojiaye, M.Eng. and Godwin Ejuvwedia Sadjere, Ph.D. (Keywords: internal combustion, IC, cylinder block, swept volume)
pjst18_1_22.pdf
Experimental Investigation of Low Global Warming Potential Refrigerant Blends in Domestic Vapor Compression Refrigeration System. M.E. Uwadiae, M.Eng.; M.A. Akintunde, Ph.D.; and T.I. Ogedengbe, Ph.D. (Keyword: coefficient of performance, COP, vapor compression refrigeration system, flammability, global warming potential, GWP, refrigerant, refrigerant blend)
pjst18_1_30.pdf
Production of Drinking Water by Solar Distillation Process. I. Ofili, M.Eng.; E.C. Ugwuoke, M.Eng. (in view); H.O. Orah, M.Eng.; B.I. Onyia, M.Eng (in view); and H.I. Edeh, Ph.D. (in view). (Keywords: distillation, brackish water, seawater, distillate, solar energy)
pjst18_1_37.pdf
Design of Portable High Density Polyethylene (HDPE) Biogas Digester. E.C. Ugwuoke, M.Eng. (in view) and I.C. Iloani. (Key terms: biogas, anaerobic digestion, digester, solar, temperature)
pjst18_1_44.pdf
Energy and Power
Solar PV System Utilization in Nigeria: Failures and Possible Solutions. V.N. Dike; C.A. Opara-Nestor; J.N. Amaechi; D.O. Dike; and T.C. Chineke. (Keywords: photovoltaic, renewable energy, PV system, PV failures, possible solutions, Nigeria.
pjst18_1_51.pdf
Effects of Thermo-Chemical Pre-Treatment of Maize Leaves on Methane Production. E.C. Ugwuoke, M.Eng. (in view); H.I. Edeh, Ph.D. (in view); S.T. Ukwuani, M.Eng. (in view); B.I. Onyia, M.Eng. (in view); I. Ofili, M.Eng. (Keywords: thermos-chemical pretreatment, hydrolysis, acidogenesis, anaerobic digestion, biogas)
pjst18_1_62.pdf
Effect of Cow Manure to Rice Straw Ratio on Methane Production in Batch Anaerobic Co-Digestion of Concentrated Cow Manure and Rice Straw. N.N. Eze, M.Eng. (in view) ; E.C. Ugwuoke, M.Eng. (in view); I. Ofili, M.Eng.; H.I. Edeh, Ph.D. (in view); and B.I. Onyia, M.Eng. (in view). (Keywords: bio-waste, rice straw, cow manure, anaerobic digestion, biogas)
pjst18_1_71.pdf
Strategic Plan Analysis for Integrated Renewable Generation to Smart Grid Technologies in Nigeria. Engr. Akanbi. (Keywords: smart grid, renewable energy sources, system dynamics, power grid, electrical grid)
pjst18_1_82.pdf
Mathematics and Statistics
On Empirical Power of Univariate Normality Tests under Symmetric, Asymmetric, and Scaled Distributions. Lukman Abiodun Nafiu, Ph.D.; Lanlege David Ibitayo, Ph.D.; and Solomon Matovu Muyombya, M.Sc. (Keywords: empirical distribution function, correlation/regression tests, moment-based normality test, statistical power)
pjst18_1_90.pdf
On Some Notes on the Engel Expansion of Ratios of Sequences Obtained from the Sum of Digits of Squared Positive Integers. Hilary I. Okagbue; Abiodun A. Opanuga; Pelumi E. Oguntunde; and Grace Eze. (Keywords: Engle expansion, Pierce expansion, digit sum, ratios)
pjst18_1_97.pdf
Positive Numbers Divisible by their Iterative Digit Sum Revisited. Hilary I. Okagbue; Abiodun A. Opanuga; Pelumi E. Oguntunde; and Grace Eze. (Keywords: iterative digit sum, digital root sequences, Nivens numbers, NDIDS)
pjst18_1_101.pdf
A Note on Some Basic Statistical Properties of Transmuted Burr X Distribution. Adebowale O. Adejumo; Pelumi E. Oguntunde; and Oluwole A. Odetunmibi. (Key terms: Burr X distribution, estimation, properties, transmuted family of distributions)
pjst18_1_107.pdf
Information Technology and Communications
Reduction of Simple Semi-Conditional Grammars. R.O. Oladele, Ph.D. and S.N. Isah, M.Sc. (Keywords: descriptional complexity, simple semiconditional grammar, formal languages)
pjst18_1_112.pdf
Performance Analysis of Network Traffic Models for DiffServ QoS Router. A.O. Ameen; D.D. Olatinwo; and S.O. Olatinwo. (Keywords: TCP, multimedia application, time sliding window, TSW2CM, TSW3CM, IETF, differentiated service, DiffServ, QoS router, quality of service)
pjst18_1_117.pdf
Halstead Complexity Analysis of Bubble and Insertion Sorting Algorithms. T.R. Awode; D.D. Olatinwo; O. Shoewu; S.O. Olatinwo; O.O. Omitola; and Mary Adedoyin. (Keywords: Halstead complexity, bubble sort, insertion sort)
pjst18_1_125.pdf
E-Commerce in a Closed System: Development of an E-Marketspace for a University Community. O.V. Mejabi, Ph.D.; B.A. Okai, B.Sc.; R.A. Oyekunle, Ph.D.; and R.G. Jimoh, Ph.D. (Key terms: closed system commerce, consumer to consumer, C2C, electronic commerce, e-commerce, emarketspace, university, web-based system)
pjst18_1_139.pdf
Enhanced Resource Scheduling Approach for Cloud Computing. E.O. Oyebode, MSc.; O.A. Ojesanmi, Ph.D.; O. Folorunso, Ph.D.; and I.K. Ogundoyin, Ph.D. (Keywords: host, virtual machine, workflows, scheduling, time sharing, space sharing)
pjst18_1_146.pdf
A Cloud-Based Model for Computer Network Threats Management. I.K. Ogundoyin, Ph.D.; C.O. Akanbi, Ph.D.; A.A. Adigun, Ph.D.; and S.A. Akinboro, Ph.D. (Key terms: threats, cloud, model, cyberspace, management, UML, unified modeling language, ANN, artificial neural network)
pjst18_1_152.pdf
Management, Economics, and Education
An Assessment of Motorcycle Operation in Ado-Odo Ota Local Government Area of Ogun State, Nigeria. T. Gbadamosi Kolawole and Oluwaseyi Joseph Afolabi. (Keywords: motorcycle, passengers, traffic accidents, traffic safety)
pjst18_1_163.pdf
Impact of Small and Medium Scale Enterprises on Poverty Alleviation in Kwara State, Nigeria. O.F. Osemene, Ph.D.; R.T. Salman, Ph.D.; and K.D. Kolawole. (Key terms: SMEs, small-scale enterprise, mid-scale enterprise, poverty, unemployment, income, Kwara State, Nigeria)
pjst18_1_174.pdf
Acquisition and Performance of the Nigerian Banking Sector. Yusuf I. Mustapha, Ph.D. and Damilola O. Akinsanya, M.Sc. (Key terms: banking sector, financial performance, acquisitions)
pjst18_1_183.pdf
An Application of the Analytical Hierarchy Process to Determine Benchmarking Criteria for Identifying Product Vendors. Afolabi Oludele. R, Tella Oluwaseyi. F, Ibitoye Ayotunde. P. and Bamigbala Olateju A. (Keywords: AHP, AHP calculation, product priority, vendor, distribution)
pjst18_1_192.pdf
A Comparative Analysis of Effects of Firms’ Strategic Factors on Performance in Nigeria. Gunu Umar Ph.D. and Sylvanus S. Adamade Ph.D. (Key terms: business resources, strategy, firms, manufacturing, competition)
pjst18_1_205.pdf
Comparing Effects of Traditional and Multimedia Teaching of Vital Signs Assessment on Knowledge Acquisition of Nursing Students at Islamic University in Uganda. A. Inuwa, M.Ed.; L.A. Nafiu, Ph.D.; H. Habu, MHPM; M. Matovu, Ph.D.; and B. Maigari, M.Sc. (Keywords: comparing effects, traditional and multimedia teaching, vital signs assessments, knowledge acquisition)
pjst18_1_215.pdf
The use of Social Skill Training in Fostering Pro-Social Behavior of Secondary School Adolescents in Gombe State, Nigeria. Muraina Kamilu Olanrewaju, Ph.D. and Gambo Adamu Aliyu. (Keywords: social skill training, pro-social behavior, self-esteem, secondary school adolescents)
pjst18_1_227.pdf
Chemistry and Biochemistry
The Kinetics and Mechanisms of Alcohol Oxidation in Alkaline 12-Tungstocobaltate(III). D.F. Latona. (Key terms: 12-tungstocobaltate(III), ethanol, butanol, pentanol, isopropylalcohol)
pjst18_1_244.pdf
Utilizing the Sorption Capacity of Local Nigerian Sawdust for Attenuation of Heavy Metals from Solution: Isotherm, Kinetic, and Thermodynamic Investigations. K. Ezeh; I.C. Ogbu; K.G. Akpomie; N.C. Ojukwu; and J.C. Ibe. (Key terms: environmental pollution, heavy metals, adsorption, Nigerian sawdust, isotherm, kinetic, thermodynamics)
pjst18_1_251.pdf
Cadmium Uptake by Biomass of Lysinibacillus sphaericus KY203810 and Enterobacter cloacae KY203811 from Steel Company Dumpsite. Saka A. Balogun, Ph.D.; A.O. Gbadebo, M.Sc.; Sharaf O. Kareem, Ph.D.; and Sherif Adewuyi, Ph.D. (Key terms: biosorption, environmental conditions, metal tolerant bacterial strains, cadmium ions, Lysinibacillus sphaericus, Enterobacter cloacae, equilibrium isotherm model, heavy metal)
pjst18_1_265.pdf
Life Sciences and Medicine
Local Stability Analysis of a Tuberculosis Model incorporating Extensive Drug Resistant Subgroup. F.Y. Eguda, Ph.D.; N.I. Akinwande Ph.D.; S. Abdulrahman Ph.D.; F. A. Kuta, Ph.D.; and S.A. Somma, M.Tech. (Keywords: Tuberculosis, extensive drug resistant tuberculosis, effective reproduction number, DFE, XDR, stability)
pjst18_1_277.pdf
Modeling of a Cure Rate Model for TB with HIV Co-Infection. Oluwafemi Samson Balogun, M.Sc. and Prof. Emmanuel Teju Jolayemi. (Key terms: epidemiology, cure fraction, BCH model, bounded cumulative hazard, left censored, EM algorithm)
pjst18_1_288.pdf
Densitometric Estimation of Radiation Absorbed Dose to Patients Undergoing X-Ray Examination in Five Government Owned Hospitals in Nigeria. O.A. Ojo, Ph.D.; M.A. Ibrahim, Ph.D.; and P.A. Oluwafisoye, M.Sc. (Keywords: absorbed dose, radiation, exposure, exposed, optical density, radiographic film, health physics, ionizing radiation)
pjst18_1_300.pdf
Assessment of Collimation on Adult Plain Chest Radiographs as a Radiation Protection Measure in a Nigerian Teaching Hospital. Alhamdu Silas Moi; Zainab Ado; Joseph Dlama Zira; Samuel Shem; Njoku Ginkanwa; Fati Malgwi; Prince Ogenyi; and Mohammed Sani Umar. (Key terms: chest radiograph, collimation, radiation protection)
pjst18_1_308.pdf
Pattern of Lesion Depicted on Plain Knee Radiographs in a Negroid Population. Alhamdu Silas Moi; Ebuka Anyasor; Joseph Dlama Zira1; Samuel Shem; Njoku Ginkanwa; Fati Malgwi; Prince Ogenyi; and Mohammed Sani Umar. (Key terms: lesion, knee joint, plain radiograph, radiography, Radiography)
pjst18_1_313.pdf
Geology, Geophysics, and Earth Science
Integrated Geophysical and Geotechnical Evaluation of Foundation Failure in Parts of Ikere-Ekiti, Southwestern Nigeria. O.O. Olutomilola; O.O. Afolabi; and J. Yakubu. (Keywords: geophysical, geotechnical, evaluation, Ikere-Ekiti, foundation failure)
pjst18_1_318.pdf
Environmental Science and Ecology
Vulnerability Assessment of Shallow Aquifer Hand-Dug Wells in Rural Parts of Northcentral Nigeria using AVI and GOD Methods. Ibrahim K. Olojoku, M.Tech.; Gomo Modreck, Ph.D.; Oke S. Adeyinka, Ph.D.; and Yusuf M. Adebayo, M.Sc. (Key terms: hand-dug wells, aquifer vulnerability index, AVI, groundwater occurrence, overall lithology, depth to groundwater, GOD, GIS)
pjst18_1_325.pdf
Hydrogeochemical Characterization of Groundwater in Afe Babalola University, Ado-Ekiti Southwestern Nigeria. O.O. Afolabi; S.O. Olatunji; and E.D. Wategire. (Keywords: groundwater, hydrochemical assessment, ABUAD, geogenic, anthropogenic)
pjst18_1_334.pdf
Physico-Chemical Properties of Wastewater within Agbara and Impact on Ologe Lagoon, Lagos. Abayomi David Folawewo, M.Sc.; Alexander Nnamdi Madu, Ph.D.; Adekemi Omolayo Faboyede, Ph.D.; and Olaitan Bamidele Muyideen. M.Sc. (Keywords: industrial effluent discharge, heavy metals, river pollution)
pjst18_1_343.pdf
Extension Information Needs of Commercial Poultry Farmers on Environmental Management in Kogi State, Nigeria. I. Ogunlade; M.O. Oduwaiye; K.F. Omotesho; and S.E. Komolafe. (Keywords: poultry farming, agriculture extension information needs, environmental management, environmental pollution, waste management)
pjst18_1_349.pdf
Development and Performance Evaluation of Jominy End-Quench Apparatus. Jacob O. Aweda, Ph.D.; Sunday O. Abegunde, B.Eng.; and Raheedat M. Mahamood, Ph.D. (Keywords: Jominy end-quench apparatus, hardenability, Brinell hardness, water, brine)
pjst18_1_5.pdf
Design and Development of a Gas Fired Reverberatory Furnace: In View of Huge Gas Reserves in Nigeria. B.C. Chukwudi and M.B. Ogunedo. (Keywords: reverberatory, furnace, gas, aluminum, recycling, non-ferrous metals)
pjst18_1_13.pdf
Design of Cylinder Block of an 80cc Spark Ignition (SI) Aluminum Engine. Raphael Sylvester Ebhojiaye, M.Eng. and Godwin Ejuvwedia Sadjere, Ph.D. (Keywords: internal combustion, IC, cylinder block, swept volume)
pjst18_1_22.pdf
Experimental Investigation of Low Global Warming Potential Refrigerant Blends in Domestic Vapor Compression Refrigeration System. M.E. Uwadiae, M.Eng.; M.A. Akintunde, Ph.D.; and T.I. Ogedengbe, Ph.D. (Keyword: coefficient of performance, COP, vapor compression refrigeration system, flammability, global warming potential, GWP, refrigerant, refrigerant blend)
pjst18_1_30.pdf
Production of Drinking Water by Solar Distillation Process. I. Ofili, M.Eng.; E.C. Ugwuoke, M.Eng. (in view); H.O. Orah, M.Eng.; B.I. Onyia, M.Eng (in view); and H.I. Edeh, Ph.D. (in view). (Keywords: distillation, brackish water, seawater, distillate, solar energy)
pjst18_1_37.pdf
Design of Portable High Density Polyethylene (HDPE) Biogas Digester. E.C. Ugwuoke, M.Eng. (in view) and I.C. Iloani. (Key terms: biogas, anaerobic digestion, digester, solar, temperature)
pjst18_1_44.pdf
Energy and Power
Solar PV System Utilization in Nigeria: Failures and Possible Solutions. V.N. Dike; C.A. Opara-Nestor; J.N. Amaechi; D.O. Dike; and T.C. Chineke. (Keywords: photovoltaic, renewable energy, PV system, PV failures, possible solutions, Nigeria.
pjst18_1_51.pdf
Effects of Thermo-Chemical Pre-Treatment of Maize Leaves on Methane Production. E.C. Ugwuoke, M.Eng. (in view); H.I. Edeh, Ph.D. (in view); S.T. Ukwuani, M.Eng. (in view); B.I. Onyia, M.Eng. (in view); I. Ofili, M.Eng. (Keywords: thermos-chemical pretreatment, hydrolysis, acidogenesis, anaerobic digestion, biogas)
pjst18_1_62.pdf
Effect of Cow Manure to Rice Straw Ratio on Methane Production in Batch Anaerobic Co-Digestion of Concentrated Cow Manure and Rice Straw. N.N. Eze, M.Eng. (in view) ; E.C. Ugwuoke, M.Eng. (in view); I. Ofili, M.Eng.; H.I. Edeh, Ph.D. (in view); and B.I. Onyia, M.Eng. (in view). (Keywords: bio-waste, rice straw, cow manure, anaerobic digestion, biogas)
pjst18_1_71.pdf
Strategic Plan Analysis for Integrated Renewable Generation to Smart Grid Technologies in Nigeria. Engr. Akanbi. (Keywords: smart grid, renewable energy sources, system dynamics, power grid, electrical grid)
pjst18_1_82.pdf
Mathematics and Statistics
On Empirical Power of Univariate Normality Tests under Symmetric, Asymmetric, and Scaled Distributions. Lukman Abiodun Nafiu, Ph.D.; Lanlege David Ibitayo, Ph.D.; and Solomon Matovu Muyombya, M.Sc. (Keywords: empirical distribution function, correlation/regression tests, moment-based normality test, statistical power)
pjst18_1_90.pdf
On Some Notes on the Engel Expansion of Ratios of Sequences Obtained from the Sum of Digits of Squared Positive Integers. Hilary I. Okagbue; Abiodun A. Opanuga; Pelumi E. Oguntunde; and Grace Eze. (Keywords: Engle expansion, Pierce expansion, digit sum, ratios)
pjst18_1_97.pdf
Positive Numbers Divisible by their Iterative Digit Sum Revisited. Hilary I. Okagbue; Abiodun A. Opanuga; Pelumi E. Oguntunde; and Grace Eze. (Keywords: iterative digit sum, digital root sequences, Nivens numbers, NDIDS)
pjst18_1_101.pdf
A Note on Some Basic Statistical Properties of Transmuted Burr X Distribution. Adebowale O. Adejumo; Pelumi E. Oguntunde; and Oluwole A. Odetunmibi. (Key terms: Burr X distribution, estimation, properties, transmuted family of distributions)
pjst18_1_107.pdf
Information Technology and Communications
Reduction of Simple Semi-Conditional Grammars. R.O. Oladele, Ph.D. and S.N. Isah, M.Sc. (Keywords: descriptional complexity, simple semiconditional grammar, formal languages)
pjst18_1_112.pdf
Performance Analysis of Network Traffic Models for DiffServ QoS Router. A.O. Ameen; D.D. Olatinwo; and S.O. Olatinwo. (Keywords: TCP, multimedia application, time sliding window, TSW2CM, TSW3CM, IETF, differentiated service, DiffServ, QoS router, quality of service)
pjst18_1_117.pdf
Halstead Complexity Analysis of Bubble and Insertion Sorting Algorithms. T.R. Awode; D.D. Olatinwo; O. Shoewu; S.O. Olatinwo; O.O. Omitola; and Mary Adedoyin. (Keywords: Halstead complexity, bubble sort, insertion sort)
pjst18_1_125.pdf
E-Commerce in a Closed System: Development of an E-Marketspace for a University Community. O.V. Mejabi, Ph.D.; B.A. Okai, B.Sc.; R.A. Oyekunle, Ph.D.; and R.G. Jimoh, Ph.D. (Key terms: closed system commerce, consumer to consumer, C2C, electronic commerce, e-commerce, emarketspace, university, web-based system)
pjst18_1_139.pdf
Enhanced Resource Scheduling Approach for Cloud Computing. E.O. Oyebode, MSc.; O.A. Ojesanmi, Ph.D.; O. Folorunso, Ph.D.; and I.K. Ogundoyin, Ph.D. (Keywords: host, virtual machine, workflows, scheduling, time sharing, space sharing)
pjst18_1_146.pdf
A Cloud-Based Model for Computer Network Threats Management. I.K. Ogundoyin, Ph.D.; C.O. Akanbi, Ph.D.; A.A. Adigun, Ph.D.; and S.A. Akinboro, Ph.D. (Key terms: threats, cloud, model, cyberspace, management, UML, unified modeling language, ANN, artificial neural network)
pjst18_1_152.pdf
Management, Economics, and Education
An Assessment of Motorcycle Operation in Ado-Odo Ota Local Government Area of Ogun State, Nigeria. T. Gbadamosi Kolawole and Oluwaseyi Joseph Afolabi. (Keywords: motorcycle, passengers, traffic accidents, traffic safety)
pjst18_1_163.pdf
Impact of Small and Medium Scale Enterprises on Poverty Alleviation in Kwara State, Nigeria. O.F. Osemene, Ph.D.; R.T. Salman, Ph.D.; and K.D. Kolawole. (Key terms: SMEs, small-scale enterprise, mid-scale enterprise, poverty, unemployment, income, Kwara State, Nigeria)
pjst18_1_174.pdf
Acquisition and Performance of the Nigerian Banking Sector. Yusuf I. Mustapha, Ph.D. and Damilola O. Akinsanya, M.Sc. (Key terms: banking sector, financial performance, acquisitions)
pjst18_1_183.pdf
An Application of the Analytical Hierarchy Process to Determine Benchmarking Criteria for Identifying Product Vendors. Afolabi Oludele. R, Tella Oluwaseyi. F, Ibitoye Ayotunde. P. and Bamigbala Olateju A. (Keywords: AHP, AHP calculation, product priority, vendor, distribution)
pjst18_1_192.pdf
A Comparative Analysis of Effects of Firms’ Strategic Factors on Performance in Nigeria. Gunu Umar Ph.D. and Sylvanus S. Adamade Ph.D. (Key terms: business resources, strategy, firms, manufacturing, competition)
pjst18_1_205.pdf
Comparing Effects of Traditional and Multimedia Teaching of Vital Signs Assessment on Knowledge Acquisition of Nursing Students at Islamic University in Uganda. A. Inuwa, M.Ed.; L.A. Nafiu, Ph.D.; H. Habu, MHPM; M. Matovu, Ph.D.; and B. Maigari, M.Sc. (Keywords: comparing effects, traditional and multimedia teaching, vital signs assessments, knowledge acquisition)
pjst18_1_215.pdf
The use of Social Skill Training in Fostering Pro-Social Behavior of Secondary School Adolescents in Gombe State, Nigeria. Muraina Kamilu Olanrewaju, Ph.D. and Gambo Adamu Aliyu. (Keywords: social skill training, pro-social behavior, self-esteem, secondary school adolescents)
pjst18_1_227.pdf
Chemistry and Biochemistry
The Kinetics and Mechanisms of Alcohol Oxidation in Alkaline 12-Tungstocobaltate(III). D.F. Latona. (Key terms: 12-tungstocobaltate(III), ethanol, butanol, pentanol, isopropylalcohol)
pjst18_1_244.pdf
Utilizing the Sorption Capacity of Local Nigerian Sawdust for Attenuation of Heavy Metals from Solution: Isotherm, Kinetic, and Thermodynamic Investigations. K. Ezeh; I.C. Ogbu; K.G. Akpomie; N.C. Ojukwu; and J.C. Ibe. (Key terms: environmental pollution, heavy metals, adsorption, Nigerian sawdust, isotherm, kinetic, thermodynamics)
pjst18_1_251.pdf
Cadmium Uptake by Biomass of Lysinibacillus sphaericus KY203810 and Enterobacter cloacae KY203811 from Steel Company Dumpsite. Saka A. Balogun, Ph.D.; A.O. Gbadebo, M.Sc.; Sharaf O. Kareem, Ph.D.; and Sherif Adewuyi, Ph.D. (Key terms: biosorption, environmental conditions, metal tolerant bacterial strains, cadmium ions, Lysinibacillus sphaericus, Enterobacter cloacae, equilibrium isotherm model, heavy metal)
pjst18_1_265.pdf
Life Sciences and Medicine
Local Stability Analysis of a Tuberculosis Model incorporating Extensive Drug Resistant Subgroup. F.Y. Eguda, Ph.D.; N.I. Akinwande Ph.D.; S. Abdulrahman Ph.D.; F. A. Kuta, Ph.D.; and S.A. Somma, M.Tech. (Keywords: Tuberculosis, extensive drug resistant tuberculosis, effective reproduction number, DFE, XDR, stability)
pjst18_1_277.pdf
Modeling of a Cure Rate Model for TB with HIV Co-Infection. Oluwafemi Samson Balogun, M.Sc. and Prof. Emmanuel Teju Jolayemi. (Key terms: epidemiology, cure fraction, BCH model, bounded cumulative hazard, left censored, EM algorithm)
pjst18_1_288.pdf
Densitometric Estimation of Radiation Absorbed Dose to Patients Undergoing X-Ray Examination in Five Government Owned Hospitals in Nigeria. O.A. Ojo, Ph.D.; M.A. Ibrahim, Ph.D.; and P.A. Oluwafisoye, M.Sc. (Keywords: absorbed dose, radiation, exposure, exposed, optical density, radiographic film, health physics, ionizing radiation)
pjst18_1_300.pdf
Assessment of Collimation on Adult Plain Chest Radiographs as a Radiation Protection Measure in a Nigerian Teaching Hospital. Alhamdu Silas Moi; Zainab Ado; Joseph Dlama Zira; Samuel Shem; Njoku Ginkanwa; Fati Malgwi; Prince Ogenyi; and Mohammed Sani Umar. (Key terms: chest radiograph, collimation, radiation protection)
pjst18_1_308.pdf
Pattern of Lesion Depicted on Plain Knee Radiographs in a Negroid Population. Alhamdu Silas Moi; Ebuka Anyasor; Joseph Dlama Zira1; Samuel Shem; Njoku Ginkanwa; Fati Malgwi; Prince Ogenyi; and Mohammed Sani Umar. (Key terms: lesion, knee joint, plain radiograph, radiography, Radiography)
pjst18_1_313.pdf
Geology, Geophysics, and Earth Science
Integrated Geophysical and Geotechnical Evaluation of Foundation Failure in Parts of Ikere-Ekiti, Southwestern Nigeria. O.O. Olutomilola; O.O. Afolabi; and J. Yakubu. (Keywords: geophysical, geotechnical, evaluation, Ikere-Ekiti, foundation failure)
pjst18_1_318.pdf
Environmental Science and Ecology
Vulnerability Assessment of Shallow Aquifer Hand-Dug Wells in Rural Parts of Northcentral Nigeria using AVI and GOD Methods. Ibrahim K. Olojoku, M.Tech.; Gomo Modreck, Ph.D.; Oke S. Adeyinka, Ph.D.; and Yusuf M. Adebayo, M.Sc. (Key terms: hand-dug wells, aquifer vulnerability index, AVI, groundwater occurrence, overall lithology, depth to groundwater, GOD, GIS)
pjst18_1_325.pdf
Hydrogeochemical Characterization of Groundwater in Afe Babalola University, Ado-Ekiti Southwestern Nigeria. O.O. Afolabi; S.O. Olatunji; and E.D. Wategire. (Keywords: groundwater, hydrochemical assessment, ABUAD, geogenic, anthropogenic)
pjst18_1_334.pdf
Physico-Chemical Properties of Wastewater within Agbara and Impact on Ologe Lagoon, Lagos. Abayomi David Folawewo, M.Sc.; Alexander Nnamdi Madu, Ph.D.; Adekemi Omolayo Faboyede, Ph.D.; and Olaitan Bamidele Muyideen. M.Sc. (Keywords: industrial effluent discharge, heavy metals, river pollution)
pjst18_1_343.pdf
Extension Information Needs of Commercial Poultry Farmers on Environmental Management in Kogi State, Nigeria. I. Ogunlade; M.O. Oduwaiye; K.F. Omotesho; and S.E. Komolafe. (Keywords: poultry farming, agriculture extension information needs, environmental management, environmental pollution, waste management)
pjst18_1_349.pdf
