The paper considers the possibility of a theoretical definition of the natural frequencies of vibrations of thermoelectric coolers with a different number of stages and different configurations in the design phase. Determination of natural frequencies of vibrations in parallel wa...
Open access
Research Article10.9734/BJAST/2015/17790
The present investigation was carried out during 2012 and 2013 on 'Canino' apricot trees budded on seedling rootstock at two private orchards located at El-Khatatba district (as sand soil ) and El – Neanaaia village, (as clay soil) Menoufia Governorate, Egypt. Trees were sprayed...
Open access
Research Article10.9734/BJAST/2015/18831
This study was conducted in a citrus orchard in Baghdad province, Iraq. Roots were severely infected with citrus-root nematode Tylenchulus semipenetrans and the fungus Phytophthora citrophthora, die back symptoms were highly observed on the vegetative growth, and the yield of the...
Open access
Research Article10.9734/BJAST/2015/17708
Recent development in the telecommunication industry in Nigeria has brought about an unprecedented upsurge in the use of Information Technology for teaching and learning in tertiary institutions of most part of the developed countries of the world. However, the adoption and imple...
Open access
Research Article10.9734/BJAST/2015/18434
In this work an attempt is made to simulate the life of a rotating element subjected to the phenomenon of fatigue fretting using finite element analysis. A numerical model is being proposed to analyse the fretting failure phenomenon. The model explores the physics of the problem...
Open access
Research Article10.9734/BJAST/2015/17442
The comparative study of the leachability of sewage sludge, sawdust and organic fraction of municipal solid (OFMSW) waste was conducted at different rainfall intensities. First, the natural moisture content of the three categories of waste were obtained. Samples of the wastes wer...
Open access
Research Article10.9734/BJAST/2015/17754
In this work, we give the power series solutions around an ordinary point, in the case of variable coefficients, homogeneous sequential linear conformable fractional differential equations of order 2α. Further, we introduce the conformable fractional Hermite differential equation...
Open access
Research Article10.9734/BJAST/2015/18590
Aim: The aim of the study is to investigate the methane content in Nigerian coal. Study Design: Fabrication of Sorption Isotherm Equipment and Experimental Analysis. Place and Duration of Study: Department of Petroleum and Gas Engineering, University of Port Harcourt Rivers State...
Open access
Research Article10.9734/BJAST/2015/18445
Ants are social insects and their behaviour is geared towards the survival of the colony rather than the survival of the individual. Because ants are almost blind, they move along by building chemical trails using a chemical substance called pheromone. These trails are used by an...
Open access
Research Article10.9734/BJAST/2015/18907
Task Scheduling deals with the set of tasks assigned to parallel multiprocessor system and the execution order of the schedule so that the total execution time is minimized. The role of a good scheduling algorithm is to efficiently assign each task to a processor depending on the...
Open access
Research Article10.9734/BJAST/2015/17171