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
Periodontal diseases are widely prevalent diseases and negatively affecting the quality of life of young and adult population. They are inflammatory conditions result in destruction of the supporting structure of the tooth. Periodontal diseases are associated with phagocytosis an...
Open access
Research Article10.9734/BJAST/2015/17520
This study aimed at determining the gaps between university top decision makers in a public university in Kenya and IT personnel in accessing, analyzing and reporting data. We sought to determine an easier and quicker way to analyze data, design, and implement a solution to turn...
Open access
Research Article10.9734/BJAST/2015/14774
This research explored the concept of an integrated approach to urban waste management in the Accra Metropolitan Area in Ghana. Like many cities in developing countries, the Accra Metropolis has a high urban population that contributes to the generation of massive volumes of wast...
Open access
Research Article10.9734/BJAST/2015/16999
Multiplicative noise removal has been a focus of research in recent years. Aiming at solving the problem that the total variation regularization method can remove noise well but sometimes produce stair-case effect, this paper proposes an efficient variational model and gives the...
Open access
Research Article10.9734/BJAST/2015/17555
This study presents the exergetic analysis of steam power plant at kaduna refining and petrochemical company limited. The aim of this research is to analyze the system components separately, and to identify and quantify the sites having the largest exergy losses. The performance...
Open access
Research Article10.9734/BJAST/2015/15466
This study aimed at examining some physic-chemical properties of the water samples taken from Nasarawa stream in Kaduna South Local Government Area with a view to determining its suitability as a major source of water for irrigation farming of vegetables and other crops cultivate...
Open access
Research Article10.9734/BJAST/2015/13598
Aims: The function of plants litter on the soil surface in the hydrologic cycle, which is decreasing evaporation, protect of rain interception and surface runoff control. The research aim to know function of plant litter in the rain interception. Place and Duration of Study: The...
Open access
Research Article10.9734/BJAST/2015/17502
This paper presents reports on simulation and comparative analysis of single stage vapour compression refrigeration system performance for comparison of refrigerant fluids. A mathematical model was devised by applying the concept of energy balance in the thermodynamic cycle to th...
Open access
Research Article10.9734/BJAST/2015/16778
The electromagnetics is a source of plasma generation and acceleration in magnetoplasmadynamic thrusters. The Lorentz force and the Joule heating are the momentum and energy sources which act on the flow field there. In the present study, their effects are analyzed theoretically...
Open access
Research Article10.9734/BJAST/2015/17533
Background: Sickle cell anaemia is a chronic anaemia that is characterized by episodes of severe bone pain from blood vessels occlusion by sickled red blood cells when deoxygenated, and eventual end organ affectation and multi-organ failure. The aim of this study was to compare t...
Open access
Research Article10.9734/IBRR/2015/17811
Introduction: Blood transfusion remains a vital component of modern medicine, as yet artificial blood or blood substitute is still widely promising. In well-organized health care systems, with standard transfusion services/facilities and safe practices, the risk associated with i...
Open access
Research Article10.9734/IBRR/2015/17874
Thyroid hormone deficiency (hypothyroidism) leads to many serious conditions in body. Oxidative stress (OS), a state of excess free radicals and reactive metabolites formation which ultimately leads to an imbalance between the production of oxidants and their elimination by antio...
Open access
Research Article10.9734/IJBCRR/2015/17638
Smallholder duck producers are considered to be more susceptible to contracting the HPAI H5N1 infection. Occurrence of the Highly Pathogenic Avian Influenza subtype H5N1 (HPAI H5N1) usually results in the complete loss of the producer’s entire flock due to high mortality rate and...
Open access
Research Article10.9734/AJAEES/2015/17778