Elemental mercury is not as poisonous as its congeners such as methyl mercury and dimethyl mercury, especially at trace levels. However, understanding the speciation mechanisms of mercury in aquatic ecosystems offers an opportunity to appreciate the dangers emanating from element...
Open access
Research Article10.9734/BJAST/2017/31635
In this paper, a digital mammogram classification system is presented. The proposed system uses the Discrete Wavelet Transform (DWT) to obtain features from the input mammogram image. The proposed system suggests a new algorithm for generating the codebook used by the vector qu...
Open access
Research Article10.9734/BJAST/2017/30420
Markov chain technique had been developed for numerical simulation of steady state heat conduction. However the technique could only be used to handle domain with regular boundaries. An hybrid of floating walk and Markov chain techniques has therefore been developed. The techniqu...
Open access
Research Article10.9734/BJAST/2017/30224
This research is aimed at the modification of the Remote Access Dial in User Server (RADIUS) protocol with the one-time password (OTP) technique for the authentication environment with a captive portal to prevent replay attacks. One of the important network security measures on a...
Open access
Research Article10.9734/BJAST/2017/29503
U. K. Afegbua, T. A. Yakubu, M. S. Tsalha, C. O. Ologun, T. S. Oluwadare, D. Duncan, J. Uwazuruonye J. Uwazuruonye, G. Okwunwa, P. Ekweuzoh, M. Enang & O. A. Agoro·Current Journal of Applied Science and Technology·2017
The goal of this study is to adopt international standard criteria to carefully select sites to host seismic stations in Minna and Abakaliki, Nigeria, that can give reliable seismic data with high network detectability, monitor local seismicity and record local events with improv...
Open access
Research Article10.9734/BJAST/2017/31078
The Debye relaxation equation and its derivatives were used to analyze dielectric constant and loss factor of pure methanol in megahertz and gigahertz over the temperature range of 10°C to 50°C. This was done in order to ascertain which of the frequency ranges has the highest die...
Open access
Research Article10.9734/BJAST/2017/31374
As a morphologically rich language, Arabic poses special challenges to Part-of-Speech (POS) tagging. Words in Arabic texts often contain several segments; each has its own POS category. The choice of the segmentation level or the input unit, word-based or morpheme-based, is a maj...
Open access
Research Article10.9734/BJAST/2017/29754
Musa paradisiaca (plantain) fruit peels and the plant leaves may have some nutrients and antifungal properties. Thus, the study determined and compared some nutrients (minerals and vitamins) in the ground plantain peels and leaves and the antifungal property of the aqueous and et...
Open access
Research Article10.9734/BJAST/2017/28393
This work considers the Decline Curve Analysis (DCA) approach as a quick tool to estimate the gas reservoir performance of field “ABC” in the Niger Delta region. The conventional Arps’ models: Exponential, Harmonic and Hyperbolic, alongside with the Reciprocal and Quadratic model...
Open access
Research Article10.9734/BJAST/2017/31184
Kepulauan Seribu has nautical ecotourism potential that locates in the entire island. That potential become primary tourism activities in development of Kepulauan Seribu nautical ecotourism. In the last ten years, growth of tourists number occurs cause serious environmental degra...
Open access
Research Article10.9734/BJAST/2016/30757