African Evaluation Database

9120 records found

Source	Electronic ID	Title	Authors	Publication Year	Source Title	Volume	Issue	DOI	Affiliations	Authors with Affiliations	Abstract	Author Keywords	Index Keywords	Funding Details
Scopus	2-s2.0-84940714174	TEC prediction performance of IRI-2012 model during a very low and a high solar activity phase ov...	Tariku Y.A.	2015	Journal of Geophysical Research A: Space Physics	120	7	10.1002/2015JA021203	Department of Physics, University of Ambo, Ambo, Ethiopia	Tariku, Y.A., Department of Physics, University of Ambo, Ambo, Ethiopia	This paper examines the capacity of the latest version of the International Reference Ionosphere ...	equatorial ionosphere; GPS-VTEC; high solar activity; IRI-2012 VTEC; low solar activity	None	None	View
Scopus	2-s2.0-33644510772	Evaluation of the abortifacient properties of chloroform extract of Carica papaya L. seed in fema...	Raji Y., Morakinyo A.O., Akinsomisoye O.S., Oloyo A.K., Esegbue-Peters P.R.C., Kunle-Alabi O.T.	2006	International Journal of Pharmacology	2	1	10.3923/ijp.2006.20.23	Department of Physiology, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeri...	Raji, Y., Department of Physiology, Faculty of Basic Medical Sciences, University of Ibadan, Ibad...	This study was carried out to investigate the impact of oral administration of chloroform extract...	Abortion; Carica papaya seed; Implantation; Pregnancy	abortive agent; Carica papaya extract; chloroform; animal experiment; animal model; article; bree...	None	View
Scopus	2-s2.0-84940734173	TEC prediction performance of the IRI-2012 model over Ethiopia during the rising phase of solar c...	Tariku Y.A.	2015	Earth, Planets and Space	67	1	10.1186/s40623-015-0312-1	Department of Physics, University of Ambo, P.O. Box 19, Ambo, Ethiopia	Tariku, Y.A., Department of Physics, University of Ambo, P.O. Box 19, Ambo, Ethiopia	This paper discusses the performance of the latest version of the International Reference Ionosph...	Equatorial ionosphere; GPS-VTEC; IRI-2012 VTEC; Solar cycle	electron density; geomagnetism; GPS; ionosphere; modeling; performance assessment; prediction; so...	None	View
Scopus	2-s2.0-43149092147	Impact of a conventional introductory laboratory course on the understanding of measurement	Volkwyn T.S., Allie S., Buffler A., Lubben F.	2008	Physical Review Special Topics - Physics Education Research	4	1	10.1103/PhysRevSTPER.4.010108	Department of Physics, University of Cape Town, Rondebosch 7701, South Africa; Department of Educ...	Volkwyn, T.S., Department of Physics, University of Cape Town, Rondebosch 7701, South Africa; All...	Conventional physics laboratory courses generally include an emphasis on increasing students' abi...	None	None	None	View
Scopus	2-s2.0-84942896799	Evaluation of proton inelastic reaction models in Geant4 for prompt gamma production during proto...	Jeyasugiththan J., Peterson S.W.	2015	Physics in Medicine and Biology	60	19	10.1088/0031-9155/60/19/7617	Department of Physics, University of Cape Town, Rondebosch, South Africa; Department of Clinical ...	Jeyasugiththan, J., Department of Physics, University of Cape Town, Rondebosch, South Africa, Dep...	During proton beam radiotherapy, discrete secondary prompt gamma rays are induced by inelastic nu...	cross section; Geant4; prompt gamma; proton beam radiotherapy	Nuclear reactions; Proton beams; Radiation shielding; Radiotherapy; Background radiation; cross s...	None	View
None	None	Initial quality performance results using a phantom to simulate chest computed radiography	Muhogora W., Padovani R., Msaki P.	2011	Journal of Medical Physics	36	1	10.4103/0971-6203.75468	Department of Physics, University of Dar Es Salaam, P.O Box 35063, Dar es Salaam, Tanzania; Fisic...	Muhogora, W., Department of Physics, University of Dar Es Salaam, P.O Box 35063, Dar es Salaam, T...	The aim of this study was to develop a homemade phantom for quantitative quality control in chest...	Computed radiography; contrast-to-noise ratio; image quality; quality control phantom	aluminum; copper; poly(methyl methacrylate); polystyrene; article; chest computed radiography; co...	None	View
Scopus	2-s2.0-30444450818	Geoelectric evaluation of groundwater potential: A case study of Alagbaka primary school, Akure, ...	Ayolabi E.A.	2005	Journal of the Geological Society of India	66	4	None	Department of Physics, University of Lagos, Lagos, Nigeria	Ayolabi, E.A., Department of Physics, University of Lagos, Lagos, Nigeria	Vertical electrical sounding consisting of three Wenner array and thirteen Schlumberger array has...	Akure; Anisotropy; Geoelectrical study; Groundwater; Southwest Nigeria	anisotropy; aquifer; groundwater resource; vertical electrical sounding; Africa; Akure; Nigeria; ...	None	View
Scopus	2-s2.0-84856514457	Assessment of the performance of the drag and bulk transfer method in estimating sensible and lat...	Adeniyi M.O., Ogunsola O.E.	2012	Theoretical and Applied Climatology	107	04-Mar	10.1007/s00704-011-0496-7	Department of Physics, University of Ibadan, Ibadan, Nigeria	Adeniyi, M.O., Department of Physics, University of Ibadan, Ibadan, Nigeria; Ogunsola, O.E., Depa...	The performance of the general bulk formulation in estimating sensible heat flux at Nigerian Micr...	None	estimation method; latent heat flux; parameterization; performance assessment; reliability analys...	None	View
Scopus	2-s2.0-82755196248	The impact of the variability of ionospheric phase refractive index on radio signals instability	Awe O.E., Adegoke J.A., Eniafe B.S.	2011	International Journal of Physical Sciences	6	30	10.5897/IJPS11.422	Department of Physics, University of Ibadan, Ibadan, Oyo State, Nigeria; Department of Physics, U...	Awe, O.E., Department of Physics, University of Ibadan, Ibadan, Oyo State, Nigeria; Adegoke, J.A....	The ionospheric phase refractive index is a complex function that determines the attenuation and ...	Attenuation; Ionosphere; Phase refractive index; Radio signal; Solar activity	None	None	View
Scopus	2-s2.0-84861012376	Impact of the total solar eclipse of 29 March 2006 on the surface energy fluxes at Ibadan, Nigeria	Nymphas E.F., Otunla T.A., Adeniyi M.O., Oladiran E.O.	2012	Journal of Atmospheric and Solar-Terrestrial Physics	80	None	10.1016/j.jastp.2012.02.024	Department of Physics, University of Ibadan, Nigeria	Nymphas, E.F., Department of Physics, University of Ibadan, Nigeria; Otunla, T.A., Department of ...	This paper document the impact of the total solar eclipse (97.4%) of 29 March 2006 on the surface...	Energy fluxes; Global radiation; Net radiation; Nigeria; Soil heat flux; Solar eclipse; Solar rad...	Energy fluxes; Global radiation; Net radiation; Nigeria; Soil heat flux; Solar eclipse; Atmospher...	None	View
Scopus	2-s2.0-84865975626	Evaluation of highway failure of a portion of ibadan-iwo road, southwestern nigeria, using very l...	Popoola O.I., Okhaifo B.O.	2012	Electronic Journal of Geotechnical Engineering	None	None	None	Department of Physics, University of Ibadan, Nigeria	Popoola, O.I., Department of Physics, University of Ibadan, Nigeria; Okhaifo, B.O., Department of...	About 1600 m portion of the Ibadan - Iwo road (southwestern Nigeria) which has suffered structura...	Geologic features; Highway failure; Ibadan-iwo road; Resistivity profile; Vlf-em investigation	Fractured basement; Geologic features; Geologic layers; Geologic structures; Highway pavement; Ib...	None	View
Scopus	2-s2.0-24644487787	Geoelectric evaluation of Olushosun landfill site southwest Nigeria and its implications on groun...	Ayolabi E.A.	2005	Journal of the Geological Society of India	66	3	None	Department of Physics, University of Lagos, Lagos, Nigeria	Ayolabi, E.A., Department of Physics, University of Lagos, Lagos, Nigeria	Geoelectric resistivity technique of geophysical investigation have been used to evaluate the eff...	Geoelectric study; Landfill; Leachate; Pollution; Southwest Nigeria	electrical method; groundwater pollution; landfill; leachate; Africa; Eastern Hemisphere; Nigeria...	None	View
Scopus	2-s2.0-79955879442	Multielemental analysis of migori (Southwest, Kenya) artisanal gold mine ores and sediments by ED...	Odumo O.B., Mustapha A.O., Patel J.P., Angeyo H.K.	2011	Bulletin of Environmental Contamination and Toxicology	86	5	10.1007/s00128-011-0242-y	Department of Physics, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya; Department of...	Odumo, O.B., Department of Physics, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya; ...	The results of heavy element profiling of the gold ores and sediments associated with the artisan...	EDXRF; Gold mining; Ores and sediments; Toxic heavy metals	Artisanal gold minings; Average concentration; EDXRF; Elemental contents; Fluorescence technique;...	None	View
Scopus	2-s2.0-84939872175	Impact of gold mining associated with mercury contamination in soil, biota sediments and tailings...	Odumo B.O., Carbonell G., Angeyo H.K., Patel J.P., Torrijos M., Rodríguez Martín J.A.	2014	Environmental Science and Pollution Research	21	21	10.1007/s11356-014-3190-3	Department of Physics, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya; Department of...	Odumo, B.O., Department of Physics, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya; ...	This work considered the environmental impact of artisanal mining gold activity in the Migori–Tra...	Bioindicators; Kenya gold mining; Mercury pollution; Multivariate geostatistics; Spatial variatio...	biological marker; gold; mercury; soil; soil pollutant; waste; analysis; chemistry; environment; ...	None	View
Scopus	2-s2.0-7444246834	Evaluation of performance parameters of PV modules deployed outdoors	Gxasheka A.R., Van Dyk E.E., Meyer E.L.	2005	Renewable Energy	30	4	10.1016/j.renene.2004.06.005	Department of Physics, University of Port Elizabeth, 6031 Port Elizabeth, South Africa; Departmen...	Gxasheka, A.R., Department of Physics, University of Port Elizabeth, 6031 Port Elizabeth, South A...	This paper evaluates the performance parameters of five photovoltaic (PV) modules comprising crys...	Current-voltage characteristics; I-V monitoring system; Operational efficiency; Performance monit...	Crystalline materials; Photons; Silicon; Thermal effects; Edge-defined film-fed growth (EFG) sili...	None	View
Scopus	2-s2.0-84873634126	Effects of particle morphology of ZnO buffer layer on the performance of organic solar cell devices	Mbule P.S., Kim T.H., Kim B.S., Swart H.C., Ntwaeaborwa O.M.	2013	Solar Energy Materials and Solar Cells	112	None	10.1016/j.solmat.2013.01.010	Department of Physics, University of the Free State, Bloemfontein ZA9300, South Africa; Photo-ele...	Mbule, P.S., Department of Physics, University of the Free State, Bloemfontein ZA9300, South Afri...	The performance of poly(3-hexyltheopene):[6,6]-phenyl C61-butyric acid methyl ester or P3HT:PCBM ...	P3HT:PCBM; Photoactive; Photovoltaic; ZnO nanoparticles/nanoflakes	Donor-acceptors; Electron extraction; Electron transport; Metal electrodes; Methyl esters; Organi...	None	View
Scopus	2-s2.0-6044230803	Monitoring current-voltage characteristics and energy output of silicon photovoltaic modules	Van Dyk E.E., Gxasheka A.R., Meyer E.L.	2005	Renewable Energy	30	3	10.1016/j.renene.2004.04.016	Department of Physics, University of Port Elizabeth, Port Elizabeth 6031, South Africa; Departmen...	Van Dyk, E.E., Department of Physics, University of Port Elizabeth, Port Elizabeth 6031, South Af...	Photovoltaic (PV) system designers use performance data of PV modules to improve system design an...	Current-voltage characteristics; I-V monitoring system; Operational efficiency; Performance monit...	Cost effectiveness; Crystallization; Data acquisition; Photovoltaic effects; Renewable energy res...	None	View
Scopus	2-s2.0-84858667240	Evaluation of the petroleum potentials and prospect of the Chad Basin Nigeria from heat flow and ...	Nwankwo C.N., Emujakporue G.O., Nwosu L.I.	2012	Journal of Petroleum Exploration and Production Technology	2	1	10.1007/s13202-011-0015-5	Department of Physics, University of Port Harcourt, Port Harcourt, Nigeria	Nwankwo, C.N., Department of Physics, University of Port Harcourt, Port Harcourt, Nigeria; Emujak...	An integrated study of the Chad Basin Nigeria has been carried out using heat flow, Bouguer gravi...	Chad Basin; Depth to basement; Gravity; Heat flow; Hydrocarbon potential	Basin sediments; Bouguer gravity; Bouguer gravity anomalies; Buried hill; Chad Basin; Cretaceous ...	None	View
Scopus	2-s2.0-84919949725	Solid State Reaction of Ruthenium with 6H-SiC Under Vacuum Annealing and the Impact on the Electr...	Munthali K.V., Theron C., Auret F.D., Coelho S.M.M., Prinsloo L., Njoroge E.	2014	Brazilian Journal of Physics	44	6	10.1007/s13538-014-0257-z	Department of Physics, University of Pretoria, Pretoria, South Africa; Department of Mathematics,...	Munthali, K.V., Department of Physics, University of Pretoria, Pretoria, South Africa, Department...	Thin films and Schottky diodes dots of ruthenium (Ru) on bulk-grown n-type-6-hexagonal-silicon ca...	6H-SiC; D and G carbon peaks; Graphite; Raman spectroscopy; Ruthenium; Ruthenium silicide; Ruther...	None	None	View
Scopus	2-s2.0-84945278753	Interface behaviour and electrical performance of ruthenium Schottky contact on 4H-SiC after argo...	Munthali K.V., Theron C., Auret F.D., Coelho S.M.M.	2015	Bulletin of Materials Science	38	3	None	Department of Physics, University of Pretoria, Pretoria, South Africa; Department of Mathematics,...	Munthali, K.V., Department of Physics, University of Pretoria, Pretoria, South Africa, Department...	Rutherford backscattering spectrometry (RBS) analysis, carried out at various annealing temperatu...	4H-SiC; Oxidation; Raman spectroscopy; Ruthenium; Rutherford backscattering spectrometry; Schottk...	Annealing; Backscattering; Capacitance; Current voltage characteristics; Oxidation; Raman spectro...	None	View

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