The influence of process variables on the production of transfer oil from spent engine oil (SEO) is presented in this paper. Various methods for SEO treatment are also highlighted. Process parameters like solvent type, solvent to oil ratio, extraction temperature, adsorbent to oi...
Open access
Research Article10.9734/BJAST/2015/17578
Aims: The performance of a solar collector is highly influenced by its orientation and its angle of tilt with the horizon. Both the orientation and tilt angle change the solar radiation reaching the surface of the collector. Previous studies show that south is the optimum orienta...
Open access
Research Article10.9734/BJAST/2015/17576
Graphene Oxide (GO) sheet with different degree of exfoliation has been prepared by modified Hummers’ method. These exfoliated GO sheets have been characterized by UV–VIS, FTIR, powder XRD, Raman, Fluorescence, SAED spectroscopy and HR-TEM. Effect of GO exfoliation on Al corrosio...
Open access
Research Article10.9734/BJAST/2015/17571
There are many mango cultivars available in different regions. It is about time we analysed their productive behavior in these areas, as well as their phenological performance. This study aimed to evaluate: phenological cycles, thermal time and growth curves of mango fruit cultiv...
Open access
Research Article10.9734/BJAST/2015/18239
Aims: The paper reports results obtained from a set of experiments aiming to demonstrate the potentiality of the use of EEG signal detection through BCI devices in improving the analysis and the interpretation of colors-driven cognitive processes. The approach combines Informatio...
Open access
Research Article10.9734/BJAST/2015/17821
The occurrence of high random bit error rates alongside long burst errors in playback audio signal recorded on compact disk (CD) poses a problem beyond what the usual Cross Interleaved Reed-Solomon Code (CIRC) may handle. In this paper we propose a technique that makes use of the...
Open access
Research Article10.9734/BJAST/2015/17352
Prospection and characterization studies carried out in the Bamessing area (Nord-West region of Cameroon) has revealed the presence of heterogeneous clayey materials along the lower slopes of Sabga Hill (1240-1320 m altitude) and the upper limits of Ndop plain (approximately 1200...
Open access
Research Article10.9734/BJAST/2015/16217
Refined petroleum products may contain toxic compounds as additives causing environmental pollution, with adverse effects on living organisms. The study assessed the ecotoxicological effects and level of soil contamination of the tank farm area at a petroleum product depot in Iba...
Open access
Research Article10.9734/BJAST/2015/17923
The geometry of a divergent nozzle of the gas dynamic laser is optimized to achieve the maximum possible gain in an optical cavity. The problem is numerically studied using two-dimensional computation of the governing equations beside the conjugate gradient method for the shape o...
Open access
Research Article10.9734/BJAST/2015/17530
Aims: The detection of abnormalities in mammographic images is an important step in the diagnosis of breast cancer. The indicators of cancer in mammograms can be in form of calcification, mass and stellate lesion. This paper proposed a two-stage procedure for the detection of the...
Open access
Research Article10.9734/BJAST/2015/13675