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Now showing items 501-520 of 3340
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Drilling Operation and Formation Damage
(Scientific Research, 2013-06)Transport of particle suspensions in oil reservoirs is an essential phenomenon in many oil industry processes. Solid and liquid particles dispersed in the drilling fluid (mud) are trapped by the rock (porous medium) and ... -
Electronic Commerce Technology Adoption at the Scientific and Industrial Research and Development Centre
(Scientific Research Publishing, 2013-06)This paper focuses on the level of adoption of E-Commerce Technology at the Scientific and Industrial Research and Development Centre (SIRDC), a Zimbabwean organization established by an act of parliament, with a mandate ... -
Root Reconstruction with Total Replacement of Ascending Aorta Using Hypothermic Circulatory Arrest and Selective Cerebral Perfusion for Moderately Dilated Distal Ascending Aorta
(Scientific Research, 2013-07)Objective: We have occasionally encountered a moderately dilated distal ascending aorta while reconstructing an aortic root. We describe reconstruction of an extended root and ascending aorta using our current strategy. ... -
Determination and inheritance of phytic acid as marker in diverse genetic group of bread wheat
(Scientific Research Publishing, 2013-07)Phytic acid (Myo-inositol 1,2,3,4,5,6 hexa-kisphophate) is a storage form of phosphorus and can accumulate to the levels as high as 35% in the wheat kernel. Phytic acid acts as an inhibitor for macronutrients as well as ... -
Quantitative detection of Streptococcus mutans from saliva using FTATM elute cards and real-time polymerase chain reaction
(Scientific Research Publishing, 2013-07)Dental caries is a localized, transmissible, pathological infection process that ends up in the destruction of hard dental tissue. Numerous reports have shown the close relationship between salivary levels of Streptococcus ... -
Genetic diversity of hybrid durian resulted from cross breeding between Durio kutejensis and Durio zibethinus based on random amplified polymorphic DNAs (RAPDs)
(Scientific Research Publishing, 2013-07)One of the ways to improve the quality of Indonesian Durian is by utilizing germplasm diversity. Durio zibethinus is the most cultivated durian in Indonesia, whereas Durio kutejensis is a unique durian cultivar which has ... -
The Research of Performance Comparison of Displacement and Mixing Ventilation System in Catering Kitchen
(Scientific Research, 2013-07)A commercial kitchen is a complicated environment where multiple components of a ventilation system including hood exhaust, conditioned air supply, and makeup air systems work together but not always in unison. And the ... -
Late Presentation of a Congenital Intrinsic Duodenal Obstruction in a Patient with Anorectal Malformation
(Scientific Research, 2013-07)Anorectal Malformations are known to be associated with various other congenital anomalies including duodenal atresia. An association of congenital intrinsic duodenal obstruction causing partial duodenal obstruction in a ... -
Comparative Study on Heavy Metals Biosorption by Different Types of Bacteria
(Scientific Research, 2013-07)Biosorption of Cd(II), Ag(I) and Au(III) by cyanobacteria Spirulina platensis, of Au(II)—by Streptomyces spp. 19H, and of Cr(VI) and Cr(III)—by Arthrobacter species was studied by using the dialysis and atomic absorption ... -
Heavy Metal Contaminated Food Crops Irrigated with Wastewater in Peri Urban Areas, Zambia
(Scientific Research, 2013-07)Studies on peri urban farming in Zambia have not adequately tackled the issues pertaining to heavy metal contaminated wastewater irrigation farming. The study investigated heavy metal contamination of water, soils and ... -
Assessment of Heavy Metals Immobilization in Artificially Contaminated Soils Using Some Local Amendments
(Scientific Research, 2013-07)Three alluvial soil samples with different textures were artificially polluted with chloride solutions of Cd, Pb, Co and chromate solution for Cr. The aqua-regia extracted concentration ranges in the artificially polluted ... -
XRF Analysis of Heavy Metals for Surface Soil of Qarun Lake and Wadi El Rayan in Faiyum, Egypt
(Scientific Research, 2013-07)The environmental pollution with some heavy metals for twenty four surface soil samples collected from Qarun Lake and Wadi El Rayan region in Faiyum, Egypt utilizing X-ray fluorescence (XRF) spectroscopy was measured. The ... -
The rise of potentially toxin producing cyanobacteria in Lake Naivasha, Great African Rift Valley, Kenya
(Elsevier, 2013-07)Lake Naivasha, an important inland water ecosystem and a crucial freshwater resource in the Great African Rift Valley, has displayed clear signals of degradation in recent decades. We studied the phytoplankton composition ... -
Interaction between the Wilms tumour factor-1 element in the promoter of Amh and a downstream enhancer is required for a strong expression of the gene in pre-pubertal sertoli cells
(Scientific Research Publishing, 2013-07)Amh (anti-Müllerian hormone) is a single copy gene which is expressed strongly in Sertoli cells in the foetal testis and participates in the onset of sexual differentiation. Its promoter driving the expression of a reporter ... -
Disappearing medicinal plants in mt. kenya forests, kenya: a case study of east african green heart (Warburgia ugandensis sprague)
(2013-07)Natural disturbances and human activities are significantly affecting indigenous trees species in forests. Warburgia ugandensis is a plant highly valued for its medicinal properties, timber and fuel among other uses. Many ... -
Nutritional contribution of atmospheric deposition to the Strandveld vegetation of West Coast South Africa
(University of Cape Town, 2013-07)Ecosystem nutrient availability depends on the balance between rates of nutrient inputs and losses. Nutrients may be lost through fire and displacement of ash, herbivory, leaching and volatilization. The main pathways ... -
Effect of Hub-Ratio on Performance of Asymmetric Dual-Rotor Small Axial Fan
(Scientific Research, 2013-07)Currently, domestic and abroad scholars put more attention on contra-rotating dual-rotor axial fan. But there is less scholars study on asymmetric dual-rotor small axial fan, which is one of the contra-rotating dual-rotor ... -
The Effect of Percutaneous Screw Fixation of Lateral Malleolus on Ankle Fracture Healing and Function
(Scientific Research, 2013-08)Purpose: To measure the effectiveness of using percutaneous intramedullary screw fixation of the lateral malleolus fracture on the healing and functional outcome of ankle fracture. Materials and Methods: Forty-six patients ... -
Structure and Biomass Accumulation of Natural Mangrove Forest at Gazi Bay, Kenya
(Kenyatta University, 2013-08)Mangroves occupy only 0.4% of forested areas globally but are among the most productive ecosystems on earth. They account for about 11% of the total input of terrestrial carbon into the oceans. The above ground carbon ... -
Cyanobacterial diversity in the hot spring, pelagic and benthic habitats of a tropical soda lake
(2013-08)Hot springs and saline-alkaline lakes of East Africa are extreme habitats regarding temperature, or salinity and pH, respectively. This study examines whether divergent habitats of Lake Bogoria, Kenya, impacts cyanobacterial ...