A method for seeking range of a missing plane based on Law of energy conservation is suggested. The method starts with the final information of the location(s) of the plane A(x,y,z) provided by satellites. A flying path with most far from an origin in same time interval [0,T] is...
Open access
Research Article10.9734/BJAST/2015/16660
Cassava crops and its food constitute more than 65% of dietary components for the population from the south-eastern Nigeria. Any contamination of this food crop in the environment by radioactive sources through human activities such as mining will affect large portion of the popu...
Open access
Research Article10.9734/BJAST/2015/15268
The properties of ions Cs2X+, Cs3X2+, CsX2−, and Cs2X3− (X = Br or I) have been studied using the density functional theory and Möller–Plesset perturbation theory of the 2nd and 4th order. For all species the equilibrium geometrical configurations and vibration frequencies were d...
Open access
Research Article10.9734/BJAST/2015/17612
Continuously Stirred Tank Reactor (CSTR) was modeled and the reactor performance analyzed with a view to coming up with an essential parametric quantity useful for assessing control at the steady-state design stage. The steady-state design of CSTR and its implementation, using Ma...
Open access
Research Article10.9734/BJAST/2015/16685
Study was conducted on the pathology of nematode infection in Parachanna obscura of the lower Cross River system, Nigeria. The objective was to find out specific pathological damages in Parachanna obscura caused by nematode infection. A total of five hundred and seventeen specime...
Open access
Research Article10.9734/BJAST/2015/14674
In order to assess the changing pattern of N: P: Si stoichiometry and associated shift in the abundance of diatoms, we analysed DO, BOD, NO3-, PO43-, DOC and DSi in a 37 km long stretch of Ganga River. The N: P stoichiometry declined (from 13.6 to 5.3) at downstream sites receivi...
Open access
Research Article10.9734/BJAST/2015/17223
This study investigated the effect of cement and lateralite in improving some engineering properties of Niger Delta soils, classified as clayey soil, silty/clayey sand, and fine sand. Cement had very good effect in reducing the plasticity of the clayey soil and the silty/clayey s...
Open access
Research Article10.9734/BJAST/2015/18256
In the present work, cotton fabrics were dying with a natural colorant from Calligonum comosum plant under different conditions to determine the ultraviolet protection factor (UPF) values and the effect of light exposure and laundering on the sun blocking properties of these dyed...
Open access
Research Article10.9734/BJAST/2015/17227
Physical analysis of the magnetoplasmadynamic thrusters, especially ones with self induced magnetic field, demonstrates the interaction of applied electric and induced magnetic field to affect the flow field and accelerate it to reach the higher specific impulses. Such interactio...
Open access
Research Article10.9734/BJAST/2015/17531
This study identified determinants of constraints to information sources utilization among maize farmers in Edo state, Nigeria. Data were collected from 150 randomly selected maize farmers with the aid of structured questionnaire validated by expert judgment, and analyzed using f...
Open access
Research Article10.9734/BJAST/2015/17688