A switching circuit helps the society with the elimination of any human hand to switch the electronic home appliances on or off between electronic components and systems thus improving efficiency and the possibility of shocks to human becomes very low. High power devices such as...
Open access
Research Article10.9734/AJOPACS/2017/34355
Aim: The aim of this research was extraction, phytochemical studies and GCMS analysis of Aspilia africana. Place and Duration of Study: This study was carried out at the University of Benin, Benin-City and University of Lagos Central Research Laboratory, Nigeria from January 2016...
Open access
Research Article10.9734/AJOPACS/2017/38663
A simple, efficient and step-economy one-pot synthesis to afford the library of Ethyl 6-amino-4-phenyl-5-cyano-2-methyl-4H-pyran-3-carboxylate derivatives from readily available substrates malononitrile, an active methylene group and substituted aromatic aldehyde using novel hete...
Open access
Research Article10.9734/AJOPACS/2017/38728
An integrated approach to investigate the spatial groundwater quality in Ogbia LGA in Bayelsa State using WQI and GIS was made. Results from 10 (ten) physicochemical parameters (pH, conductivity, TDS, sulphate, nitrate, sodium, calcium, chloride, magnesium, hardness, iron) analys...
Open access
Research Article10.9734/AJOPACS/2017/39055
Aims: The aim of the research was to analyse the minerals and proximate content of soya bean in order to explore its nutritional values in human and animal diets. Place and Duration of Study: This study was carried out at Edo Environmental Consults and Laboratory Limited (EECL),...
Open access
Research Article10.9734/AJOPACS/2017/38530
Aims: The aim of this research is to determine a method based on the formation of charge transfer complex between thiamine and 2,3- dichloro-1,4-dicyano-5,6-benzoquinone (DDQ) that is simple, fast, economical and less laborious. Objectives: To establish the degree of charge trans...
Open access
Research Article10.9734/AJOPACS/2017/38336
Medicinal plants are the rich source of unique phytochemicals which are frequently used in the development of drugs against various diseases. Mimusops elengi (Bakul) is usually known as medicinal plant for its various ayurvedic and therapeutic uses. In this study...
Open access
Research Article10.9734/AJOPACS/2017/38622
Ionic liquids (ILs) have attracted great attention in both industry and academic researches. They usually exposed under ultraviolet light (UV) irradiation when they were used as solvents for photochemical reactions, additives of chromatographic separation medium with UV detection...
Open access
Research Article10.9734/AJOPACS/2017/38484
This work presents an experimental study of the drying process of tomato in thin layer thanks to an indirect solar dryer operating in natural convection called "solar tower dryer". This experiment was performed under varying conditions of solar radiation. The objective of this st...
Open access
Research Article10.9734/AJOPACS/2017/38307
Computational chemistry is used as computer programming to solve real problems in chemical, pharmaceutical, biotechnological and material science. It uses the results of theoretical chemistry, incorporated into efficient computer programs, to calculate the structures and properti...
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Research Article10.9734/AJOPACS/2017/38092
The study of natural convective boundary layer flow of heat and mass transfer of incompressible viscous dissipative fluid over a porous stretching vertical surface in the presence of thermal radiation with heat absorption in a porous medium is considered. A similarity variables i...
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Research Article10.9734/AJOPACS/2017/37260
Chromium substituted Co-ferrite nanoparticles with general formula CrxCoFe2−xO4 (0≤ x ≤0.5) have been synthesized by using sol-gel technique. The samples were sintered at 900°C for 3hours. The effect of chromium substitution on dielectric properties of Co-ferrites is reported in...
Open access
Research Article10.9734/AJOPACS/2017/36273
This Research of electron impact excitation of autoionizing states of rubidium have calculated the integral cross section using Distorted Wave Method in the range of incident energy of 15.8 -1000 eV. Numerical calculations have been done using a modified dwba1 fortran computer...
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Research Article10.9734/AJOPACS/2017/36120
Resurgence of public interest in the ethnomedical practices in both the developing and developed countries is increasing. Medicinal plants are parts of a plant or the whole plant that possess healing properties. Jatropha curcas (Euphorbiaceae) has been reported severally for its...
Open access
Research Article10.9734/AJOPACS/2017/38037
The rare-earth hydrides have received tremendous attention due to their potential applications for hydrogen storage technology, they exhibit intriguing electronic, optical, and mechanical properties. In particular, XH2 series (X= Sc, Y, and La), the prototype for rare-earth dihyd...
Open access
Research Article10.9734/AJOPACS/2017/37660