This paper presents interval-valued 2-tuple prioritized aggregation operators for handling problems involving multiple attribute group decision making, where a prioritization relationship exists between attributes and decision makers. We first develop two interval-valued 2-tuple...
Open access
Research Article10.9734/BJAST/2014/10714
Energy has always been the essential, life-sustaining medium of exchange, in contrast to the notion that symbols of a monetary system, the effectiveness of influence peddling or even the application of force truly impact and direct social development. Starting with muscle power,...
Open access
Research Article10.9734/BJAST/2014/10249
Aims: Frequent pattern mining is one of the imperative tasks in the data mining. The soft computing techniques such as neural network, fuzzy logic have potential to be used in frequent pattern mining since these powerful tools efficiently model data which is also an essential par...
Open access
Research Article10.9734/BJAST/2014/10707
Line-to-line-to-line-to-ground unsymmetrical faults involving ground are difficult to analyse using the classical fault analysis approach. This is because the classical solution approach requires knowledge of the connection of symmetrical component sequence networks in order to f...
Open access
Research Article10.9734/BJAST/2014/10269
A prototype cam-follower mechanism was designed and assembled using Pro-Engineer (Pro-E) software. The mechanism is meant for application in a forth-and-back Mode II Operation of a tribotester rig. The mechanism was dynamically simulated in Pro-E to ascertain the dynamic loading...
Open access
Research Article10.9734/BJAST/2014/10594
This work investigates thermal and mechanical properties of bricks produced from particles of electric arc furnace (EAF) hazardous fumes with a view to enhancing safe disposal and reduce the current prohibitive cost of handling. Test samples are prepared from the as-received stee...
Open access
Research Article10.9734/BJAST/2014/10986
Aims: The study examines the inclusion of biological control hitherto neglected, as part of the IPM strategies in a farmer participatory approach. Study Design: The experimental plots were set up within a completely randomized block experimental design with 3 replicates. Place an...
Open access
Research Article10.9734/BJAST/2014/10794
Aim: To synthesize and evaluate the effectiveness of two tetrapolymers as viscosifiers and filtration control agents in water-based drilling fluids for application in moderate saline and geothermal environment.Study Design: Orthogonal design involving monomer feed ratio, monomer...
Open access
Research Article10.9734/BJAST/2014/10555
Aims: Software quality assurance is a formal process for evaluating and documenting the quality of the work products during each stage of the software development lifecycle. The practice of applying software metrics to operational factors and to maintain factors is a complex task...
Open access
Research Article10.9734/BJAST/2014/10548
A one dimensional model of population growth called logistic map can be used as platform for introducing beginners to the phenomenon of chaos and nonlinear dynamics. Despite the simplicity of logistic map, it has been used with success for the introduction of fixed point attracto...
Open access
Research Article10.9734/BJAST/2014/9246
The chemical composition of groundwater samples in Yenagoa, Bayelsa State of Nigeria was experimentally investigated. Parameters as pH, temperature, redox potential, iron oxidizing bacteria, dissolved oxygen, iron and manganese were analysed. Results indicate the groundwater samp...
Open access
Research Article10.9734/BJAST/2014/10830
Sucrose in the final molasses continues to be a source of major financial loss to sugar refineries worldwide. This study therefore aims at rectifying this anomaly. In this study, the final molasses exhaustibility was predicted using Adaptive Neuro Fuzzy Inference System (ANFIS) a...
Open access
Research Article10.9734/BJAST/2014/9620
An investigation on the compressibility and settlement duration of a lateritic soil of Yaoundé, Cameroon, was performed to check on its ease to carry loads of civil engineering structures. The increase in settlement with water content is more accentuated with a stronger load than...
Open access
Research Article10.9734/BJAST/2014/10281
Meteorological events are posing serious environmental challenge especially in freshwater pollution control. Imo River serves as a source of water for domestic uses, agricultural irrigation, fishery and recreational activities and exposed to pollution. Surface water samples were...
Open access
Research Article10.9734/BJAST/2014/10403
The study carried out seasonal study of some potentially toxic heavy metals: Lead, copper, cadmium, chromium, Nickel, and zinc in soils was conducted in five different vegetation zones of (Oli Camp) Kainji Lake National Park at two different levels. The vegetations are Isoberlini...
Open access
Research Article10.9734/BJAST/2014/9579