Objectives: The purposes of this research are 1st, to show that there is a relationship between magnetic constant and Bohr radius for any atom and 2nd, to verify this relationship with illustrative calculations. Place and Duration of Study: Department of Chemistry and Biochemistr...
Open access
Research Article10.9734/AJOPACS/2018/41232
In this paper, we considered method of interpolation of the approximate solution and collocation of the differential system to generate a continuous linear multistep method. The basic properties of the method was investigated and found to be zero stable, consistent, P-stable and...
Open access
Research Article10.9734/AJOPACS/2018/41034
This review is devoted to answering the important question of physical and chemical aspects of dating archaeological remains, particularly, ancient structures. Basically, stratigraphy and typology are considered relative dating techniques while radiocarbon dating, dendrochronolog...
Open access
Research Article10.9734/AJOPACS/2018/40349
In the present work, optimization of extraction natural dye from neem (Azadirachta indica) leaves with respect to dye bath concentration on silk fabric was studied before and after exposing to artificial daylight for 160 h. The effect o...
Open access
Research Article10.9734/AJOPACS/2018/40614
Objectives: The objectives of this research are 1) to examine the units of parameters in quasi-steady state approximation (QSSA) equations (inequalities) with a view to confirming or otherwise the dimensional consistency, 2) to slightly modify the general equation of rate constan...
Open access
Research Article10.9734/AJOPACS/2018/40904
2-Dimensional imaging was used to investigate the presence of leachate and contaminant plume around septic tank within the Staff Quarters in University of Benin, Benin City, Nigeria. This conventional 2-D electrical resistivity survey method was carried out by engaging the Wenner...
Open access
Research Article10.9734/AJOPACS/2018/40338
PbSe thin films were electrodeposited onto ITO substrate with variation of deposition voltage (1-5V). The deposited thin films were characterized using the four point probe technique to determine their electrical properties. The sheet resistivity of the thin films was found to v...
Open access
Research Article10.9734/AJOPACS/2018/40383
By applying quantum tunneling effect for photons generated from ZPF vacuum, it is considered that some of them can be generated as superluminal particle. If they have electric charges, they radiated electromagnetic energy by the Cherenkov effect. This leads to another explanation...
Open access
Research Article10.9734/AJOPACS/2018/40340
Total petroleum hydrocarbon (TPH) is of immense interest to environmental chemist because they are toxic to human system and animals. Some of the TPH compounds are carcinogenic and poses serious health problem to humans and aquatic life. Hence, there is need for continuous check...
Open access
Research Article10.9734/AJOPACS/2018/38035
Fused pyrimidines,2,4,6,8-Tetrahydro-5-(4/-ethylphenyl)-10-aryl-2,4,6,8-tetraoxo-5H,10H-pyrido[2,3-d:6,5-d/]dipyrimidines, were prepared in good yield through a simple, clean and three-component one-pot cyclo-condensation reaction of a barbituric acid, aromatic aldehyde and 4-eth...
Open access
Research Article10.9734/AJOPACS/2018/39709