Seismic raypaths and wavefronts model in the vertically anisotropic lithofacies of the Niger Delta are presented. These models based on the linear increase of velocity with depth are defined by the parametric equations: For raypaths \(\left[\mathrm{x}(\theta)=\mathrm{R}_{\mathrm{...
Open access
Research Article10.9734/BJAST/2017/5100
The oxidation of phenanthrene with TBHP into phenanthrenequinone and its kinetics have been studied. Reaction conditions were investigated by orthogonal test. For the oxidation of phenanthrene to phenanthrenequinone the optimum conditions as follows: molar ratio of TBHP to phenan...
Open access
Research Article10.9734/BJAST/2017/32508
The aim of this study is to identify the adaptation strategies developed by local peasant farmers to reduce negative impacts of climate change in Jibia, Northwest Katsina, Nigeria. Primary data were obtained from field survey through questionnaire administration using stratified...
Open access
Research Article10.9734/BJAST/2017/32611
The experiment was carried out to identify bacteria pathogens that causes fish spoilage and consequently reduces their shelf-life in the environment and invariably found out basis for controlling and preventing their activity. Thirty fish samples comprising of fifteen Titus (Scom...
Open access
Research Article10.9734/BJAST/2017/32281
The main focus of this project is to understand the nature of these laminated composites when subjected to specific damage cases like loads. In order to understand the progression of the failure modes in a laminated composite, models were designed and analyzed using ANSYS 14.5. I...
Open access
Research Article10.9734/BJAST/2017/31981
Malumfashi schists which occur in association with migmatite-gneisses and biotite granite, occupy about 60% of Tandama area, north-western Nigeria. These rocks were studied with a view to evaluate their compositional characteristics and their evolution. The lithology revealed fro...
Open access
Research Article10.9734/BJAST/2017/30116
Migmatite-gneisses, which include migmatite, granite gneiss, and augen gneiss, underlie more than 70% of Tandama area, in North-western Nigeria. They are associated with schists, and are intruded by granites and pegmatites. These rocks are thought to have undergone a reworking du...
Open access
Research Article10.9734/BJAST/2017/30117
Aims: In this paper, a comparison between three different human head models with three different types of antennas is presented to show the effect of shielding technique on the reduction of SAR. The three human head models presented are SAM phantom, six-layer, and two-tissue mode...
Open access
Research Article10.9734/BJAST/2017/32619
This study investigates the relationship between students' learning strategies and their cognitive engagement in English class at International Islamic School in Gombak, Malaysia. Explicitly, the research intends to fathom the correlation between three learning strategies (cognit...
Open access
Research Article10.9734/BJAST/2017/32382
Background: Nuclear Institute of Medicine and Radiotherapy Jamshoro, an institute of Pakistan Atomic Energy Commission provides the facilities of diagnosis and treatment to cancer patients of encasement areas of Jamshoro/Hyderabad through its dedicated radiation workers wearing f...
Open access
Research Article10.9734/BJAST/2017/30802