In Umuahia-South Local Government Area of Abia State Nigeria, some cases of boreholes failure and groundwater discolouration have been observed. An investigation in order to determine the hydrogeological conditions of the area was carried out using geoelectrical, drill-hole and h...
Open access
Research Article10.9734/BJAST/2012/1645
The objective is to investigate the spatial pattern of each of illiteracy rate (IR) and unemployment rate (UR) and the spatial correlation between these patterns. This study is important for both researchers and policy makers. The study design was cross-sectional data analysis. T...
Open access
Research Article10.9734/BJAST/2012/1682
Sorption isotherms of kilishi have been experimentally determined at 30, 40 and 50ºC by using salt method for a range of water activity from 0,064 to 0,973. His sorption capacity increases with the temperature for a given water activity. The experimental curves obtained have been...
Open access
Research Article10.9734/BJAST/2012/1888
Problem Statement: Nigeria like the rest of the entire continent of Africa is considered highly vulnerable to climate change because of its high exposure and sensitivity, limited adaptive capacity, poverty, illiteracy, food insecurity, and disease all of which interact with Clima...
Open access
Research Article10.9734/BJAST/2012/1696
Aims: To evaluate the nutritional and sensory characteristics of soybean and tigernut based infant food that could be adoptable at house-hold level by rural dwellers. Study Design: Randomized design. Place and Duration of Study: Department of Biochemistry, University of Calabar,...
Open access
Research Article10.9734/BJAST/2012/1341
Aims: This study is aimed to determine the levels of some heavy metals in different species of fish and to compare the results with other standard values. Study Design: The gills, liver, stomach, kidney, bones and flesh of four common fish species (Tilapia zilli, Clarias anguill...
Open access
Research Article10.9734/BJAST/2012/1716
To determine the environmental suitability (impacts on groundwater) of an excavated pit located within the eastern boundary of Umunwanwa for any form of waste discharge (sewage or solid waste), modelling approach was adopted. A thorough geophysical / hydrogeological investigation...
Open access
Research Article10.9734/BJAST/2012/1518
An intelligent electronic module for managing battery power in a wind/diesel, solar/diesel or wind/solar/diesel hybrid systems was designed, fabricated and tested. It is made of five blocks mainly a power supply unit, a battery voltage monitor, a programmable interface controller...
Open access
Research Article10.9734/BJAST/2012/1513
Water reuse continues to rise as demand for fresh water supplies increases worldwide. By recycling and reusing treated wastewater, communities and industries can save on the costs of clean water, ensure adequate supplies and help to preserve a diminishing natural resource. The in...
Open access
Research Article10.9734/BJAST/2012/1520
Natural radioactivity in environmental samples (soil, vegetation and water) from the (Idu) industrial district of Federal Capital Territory (FCT) Abuja, Nigeria was measured by means of gamma-ray spectrometer with NaI (Tl) detector to establish a baseline data for activity concen...
Open access
Research Article10.9734/BJAST/2012/1467
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