This paper presents a quantitative design procedure for electromagnetic interference (EMI) filters and investigates the effectiveness of the designed EMI filters in a digitally controlled boost power factor correction (PFC) converter. In most modern electrical equipment, the probl...
Open access
Research Article10.9734/BJAST/2016/26301
Over the years, there had been increase in the use of offshore structures. This might not be unconnected with the awareness of the importance of the maritime sector as well as the rise in energy demand. Consequently, the construction, transportation of offshore structures has dra...
Open access
Research Article10.9734/BJAST/2016/25704
This simulation study has been conducted to evaluate the performances of six different multivariate normality tests under different experimental conditions. Obtained results of 50,000 Monte Carlo Simulation showed the most reliable when the Royston (Roy), Srivastava-Hui (S-H), an...
Open access
Research Article10.9734/BJAST/2016/26256
The seasonal behaviour of thermospheric zonal winds speeds between geomagnetic latitudes 30-40 degrees north and south from 2006 to 2007 has been studied using zonal wind data recently generated from CHAMP measurements using an iterative algorithm. The period, which falls under t...
Open access
Research Article10.9734/BJAST/2016/26096
Hearing loss is known to be a worldwide common problem caused by noise, aging, disease, and heredity. The aim of this study was to investigate how hearing thresholds evolve over time and how this evolution depends on age. Hearing thresholds were measured on 226 subjects the at di...
Open access
Research Article10.9734/BJAST/2016/25948
In this study, the Rumkale Archaeological Region and its vicinity located in Gaziantep City, Turkey, were examined in terms of potential value for ecotourism activities. The region has high historical reputation and natural beauty which avails magnificent structures for visitors....
Open access
Research Article10.9734/BJAST/2016/25679
Evaluation of risk of Invasive Alien Species (IAS) with uncertain and imprcise data is a challenging task. In the present work, mathematical model for risk assessment is developed by using interval multiple linear regression analysis in which mimic unceratin and imprecise data....
Open access
Research Article10.9734/BJAST/2016/25901
Mongla upazila (sub district) of Bangladesh has the traditional practice of agriculture but now is extremely vulnerable due to frequent and intensive recurring phenomenon of natural hazards such as salinity intrusion, water logging, flood, cyclone and tidal surges. Therefore, thi...
Open access
Research Article10.9734/BJAST/2016/26007
Field surveys using questionnaires administered among cotton producers semi-openly were done in three cotton zone of Cameroon, Laïndé Massa in the North, Kilwo in the Far North and Tapi in the Adamaoua regions. The objective of this study was to evaluate the degree of appropriati...
Open access
Research Article10.9734/BJAST/2016/25509
Aim: To evaluate the influence of an adhesive on the bond strength between feldspathic ceramic and two resin cements. In addition the interface between the resinous materials and the feldspathic ceramic was evaluated microscopically. Methodology: Forty-eight feldspathic ceramic d...
Open access
Research Article10.9734/BJAST/2016/25600
Aims: To suppress the emission of CO2 to the environment and to save the consumption of fossil fuels, CO2 was converted to CH4 by a newly developed hydrogen shower method with a hydrogen pulse plasma. Study Design: Research study. Place and Duration of Study: This study was perfo...
Open access
Research Article10.9734/BJAST/2016/26169
Recent interest in using calcium (Ca) as a reinforcement metal in Al/Ca metal-metal composites prompted this study of the mechanical properties of high-purity Ca metal. Previously reported measurements of Ca’s mechanical properties were performed on Ca of relatively low purity (~...
Open access
Research Article10.9734/BJAST/2016/26293
Excellent flowability is one of the important characteristics of concrete for easier handling and placing and it facilitates the removal of undesirable air voids by introducing superplasticizer (SP). But due to environmental issue related to the waste during SP production, altern...
Open access
Research Article10.9734/BJAST/2016/20738
In any power generation and distribution system, a continuous balance must be maintained between electrical generation and varying load demand, while the system frequency, voltage levels, and security must all be kept constant and the cost of generation maintained at minimal leve...
Open access
Research Article10.9734/BJAST/2016/24347
Silver nanoparticles are widely studied and the antibacterial activity is well-known. Although several methods of synthesis have been described, this article reports the simplest procedure using low cost reagents and a low consumption of energy, where silver nitrate is reduced by...
Open access
Research Article10.9734/BJAST/2016/25686