Introduction: Emissions from a variety of air particulate sources have resulted in atmospheric pollution that, in turn, has produced serious problems, causing irreversible reactions in the environment and hence is posing a major threat to our very existence. Aim: Identify monthly...
Open access
Research Article10.9734/BJAST/2016/19232
Aim: To determine the effects of leaking septic tanks on underground water quality in Owerri Municipal. Place and Duration of the Study: Department of Geosciences, Federal University of Technology Owerri, and Department of Chemistry, Alvan Ikoku University of Education, Owerri, I...
Open access
Research Article10.9734/BJAST/2016/20410
This paper presents the analysis of basic verbal structures in terms of vector (scalar) space. Applying vector methods to description of word meaning and basic syntax structures offers new methodological opportunities to interpret effect of semantic and pragmatic forces at morpho...
Open access
Research Article10.9734/BJAST/2016/21544
Geometrical structure and vibrational spectra for CaCl3–, Ca2Cl3+, Ca3Cl5+, Ca4Cl7+, and Ca5Cl9+ ions have been studied by employing density functional theory and the second order Møller–Plesset perturbation theory. The equilibrium geometrical structures are as follows: the plana...
Open access
Research Article10.9734/BJAST/2016/21810
The process of accurate localization of the basic components of human faces (i.e., eyebrows, eyes, nose, mouth, etc.) from images is an important step in face processing techniques like face tracking, facial expression recognition or face recognition. However, it is a challenging...
Open access
Research Article10.9734/BJAST/2016/19937
In this study, we explore the relationships between winter (May-August) Acheron River catchment (ARC), Victoria, Australia, rainfall and streamflow and winter Indian Ocean Subtropical High Pressure (IOSHPS) and Indian Ocean Subtropical High Longitude (IOSHLN) through correlation...
Open access
Research Article10.9734/BJAST/2016/20100
A greenhouse study was carried out at Cocoa Research Institute of Nigeria, Ibadan (Lat.7° 251N Long. 3° 251E) in 2010 to determine the effect of NPK fertilizer formulations on soil properties and nutrient uptake of coffee seedlings in Ibadan, Southwest Nigeria. The treatments con...
Open access
Research Article10.9734/BJAST/2016/16846
The aims of the study were to determine relationship between farmer’s socio-economic variables and profitability in chilli pepper production, and to determine the profitability in chilli pepper producers in Kaduna state, Nigeria. Primary data were collected from chilli pepper pro...
Open access
Research Article10.9734/BJAST/2016/20300
Prostheses in the oral cavity are constantly attacked by microorganisms. Bacteria and fungi colonize these surfaces concurring in the material’s biodestruction; the corrosive action generates debris of different size, with particles ranging from few micrometers to nanometers. Tra...
Open access
Research Article10.9734/BJAST/2016/20290
Aims: To characterize the fatigue parameters of some stainless steels at a wide range of temperatures, and also to evaluate the influence of temperature on their mechanical properties. Methodology: Two ferritic stainless steels and one austenitic stainless steel were tested. Tens...
Open access
Research Article10.9734/BJAST/2016/20658
The depth of cut is one of the important parameters of machining. It influences a great number of factors of machining like the surface finish, the tool wear, the temperature/heat, energy/power consumption etc. It is of course obvious that the depth of cut affects the rate of hea...
Open access
Research Article10.9734/BJAST/2016/18856
Red amaranth (Amaranthus tricolor) was grown in tunnels covered with partially UV-blocking films (<340, <350, <360, and <400 nm) for five weeks after sowing, and plant growth, anthocyanin concentration, and insect burden were compared with those of UV-transmitting fil...
Open access
Research Article10.9734/BJAST/2016/20803
River Beas is an important river of India, originating in the Himalayas and merging into river Sutlej in Punjab, at Harike, a Ramsar wetland. Twenty two soil characteristics including eight heavy metals were studied at four sampling sites in the vicinity of the river for pre-mons...
Open access
Research Article10.9734/BJAST/2016/21611
Energy flows and energy efficiencies in the operation of a modern automobile are development expressed and corresponding on reduction of pollutant emission from spark ignition (SI) engines is desirable due to reduce the highly impact on the green environment, the trend toward h...
Open access
Research Article10.9734/BJAST/2016/21685
Shell and tube heat exchangers (STHEs) are the most common type of heat exchangers and are applicable for wide range of operating temperatures and pressures. Numerical analyses on thermal-hydraulic performance of three sets of shell and tube heat exchangers (STHEs) with different...
Open access
Research Article10.9734/BJAST/2016/20021