Carrier phase measurements are much more precise than pseudorange measurements and can be used to achieve very accurate positioning solutions. However, carrier phase measurements require resolution of integer ambiguities before precise positioning can be achieved. The GPS receive...
Open access
Research Article10.9734/BJAST/2014/11850
Chitin Nanofibril (CN) is the purest crystal form of chitin obtained industrially from fishery and crustacean waste. Characterized by positive charges covering its surface, this natural polymer has the ability to form block copolymeric nanoparticles with electronegative natural o...
Open access
Research Article10.9734/BJAST/2014/11181
Tracking moving objects in a video sequence is a critical task in several computer vision applications. A common approach is to perform background subtraction which identifies moving objects in a video frame. The mixture of Gaussians model is one of the most popular techniques fo...
Open access
Research Article10.9734/BJAST/2014/12093
Today, in the context of product innovation, the environmental dimension takes a new dimension and cannot be separated from other product requirements which make it competitive. Tools are available but unfortunately proficiency levels required for their use are at the expert’s le...
Open access
Research Article10.9734/BJAST/2014/10546
The Black – Scholes (B-S) model is one of the widely used models in the pricing of financial option. The B-S model like most other models hinges on assumptions; one of which is the normality condition. A lot of researches have shown that using the log-return of developed market i...
Open access
Research Article10.9734/BJAST/2014/5246
Most flavonoids are known to have anti-oxidant, anti-bacterial and analgesic properties. In this study, the new flavonoids, 7-methoxy-3,3’,4’,6-tetrahydroxyflavone (1) and 2’,7-dihydroxy-4’5’-dimethoxyisoflavone (2) isolated from Streptomyces sp. BT01 inhibited the pro-inflammato...
Open access
Research Article10.9734/BJAST/2014/12049
A new series of polyamides based on diarylidene derivatives were synthesized from 2,5-bis(m-aminobenzylidene)cyclopentanone VIII, 2,6-bis(m-aminobenzylidene)cyclohexanone IX, 2,7-bis(m-aminobenzylidene) cyclheptanone X and bis(m-aminobenzylidene) acetone XI by reaction with diaci...
Open access
Research Article10.9734/BJAST/2014/11067
Aims: To derive an expression for the wavelength/frequency of Hawking radiation emitted by non-spinning black holes in terms of the radius of event horizon (λ=8πRs & v= c/8πRs) using quantum theory of radiation (E= hv) energy of Hawking radiation and the radius of event horiz...
Open access
Research Article10.9734/BJAST/2014/11514
Enzymatic antioxidant was determined to establish a possible environmental impact on toxic metal in fish Danio rerio. Alterations in the antioxidant cellular systems have often been proposed as biomarkers of pollutant-mediated toxicity. This prompted us to investigate the activit...
Open access
Research Article10.9734/BJAST/2014/10374
This study investigates the strength properties of paper samples obtained from pulp blend of corn husk and kenaf bark. Soda pulping of kenaf bark and corn husk was carried out using 18% and 7% alkali respectively. Handmade paper sheets were produced from bleached pulp samples com...
Open access
Research Article10.9734/BJAST/2014/10745