Travel time on a roadway segment is what most road users are concerned about. It is a useful guide for measuring road users’ perception of the quality of roadway service. Rainfall affects traffic flows by reducing drivers’ visibility and road surface friction among others. These...
Open access
Research Article10.9734/BJAST/2012/1416
A study was conducted to determine the median lethal concentration of neem for common carp (Cyprinus carpio) as a non-target organism. Five test concentrations and a control were used in triplicates to determine the 72 hour MLC of neem gold pesticide. With the increase of dose co...
Open access
Research Article10.9734/BJAST/2012/1212
This study models the egress behaviour of passengers at a transportation access point with multimodal service with the objective of evaluating the delays associated with their departure from the access area. Passengers arriving at this access area have the taxi mode, minibus mode...
Open access
Research Article10.9734/BJAST/2012/1330
A trough station (Ouagadougou station) of African Equatorial Ionization Anomaly sector foF2 long term trends are carried out after the elimination of solar cycle long term variation part. For this part, foF2 is expressed as a third degree polynomial function of Rz. We analyzed di...
Open access
Research Article10.9734/BJAST/2012/1552
Worldwide National policies on higher education are giving increasing importance to improve the quality of education on offer. Consequently, the evaluation of teachers’ performance in teaching activity is especially relevant for the academic institutions. It helps to define effic...
Open access
Research Article10.9734/BJAST/2012/1237
The thermo-physical properties of environmentally friendly biodegradable agricultural by-products, oil palm, coconut and sugarcane fiber, were investigated for use as potential building thermal insulation. Thermal conductivity measurements were conducted on 51 mm thick, 254 mm sq...
Open access
Research Article10.9734/BJAST/2012/1528
Aim: Investigations were carried out to evaluate the performance of a high grade low heat rejection (LHR) diesel engine with air gap insulated piston, air gap insulated liner and ceramic coated cylinder head (ceramic coating of thickness 500 microns was done on inside portion of...
Open access
Research Article10.9734/BJAST/2012/1254
Aims: To determine the level of some chemical parameters in samples of 5 potable water sources namely, tap, borehole, open well, sachet water, and bottled water. To further compare results with WHO (2011) standards to ascertain safety of water sources within the study area. Study...
Open access
Research Article10.9734/BJAST/2012/1078
Aims: The knowledge of water sorption Isotherm gives information about water activity of foods; to investigate chemical reactions during drying and storage. This study therefore, was to determine the sorption properties of pupuru flour during storage at ambient temperature. Study...
Open access
Research Article10.9734/BJAST/2012/613
This paper presents a provisional design proposal for the modification of the numbering and address representation of Internet Protocol 4 (IPv4), the Internet address system nearing exhaustion, based on biology. Biologically-inspired designs have been applied in diverse technolog...
Open access
Research Article10.9734/BJAST/2012/1217