Browsing Faculty of Science Engineering and Technology by Title
Now showing items 71-90 of 240
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Ecological restoration of pastoral landscapes in the drylands of East Africa
(Journal of Dryland Agriculture, 2021-01-26)The East African drylands cover about 47% of the land surface and host about 20 million people. Rural people living in the drylands are mainly pastoralists who depend on livestock for both economic and social well-being. ... -
“Effect of AC Helmholt magnetic field on the mass of Rosecoco deans”
(Taylor and Francis Online, 2011-06-09)Plastic bags mostly made of polyethylene (PE) cause pollution as solid waste due to their non-degradability nature. Initiation of a degradative process by enhanced photo-oxidation is a possible method for an accelerated ... -
The Effect of Adaptive Learning Rate on the Accuracy of Neural Networks
((IJACSA) International Journal of Advanced Computer Science and Applications, 2021)Learning rates in gradient descent algorithms have significant effects especially on the accuracy of a Capsule Neural Network (CNN). Choosing an appropriate learning rate is still an issue to date. Many developers still ... -
EFFECT OF COOKING METHODS AND DURATION ON ASCORBIC ACID CONCENTRATION OF SELECTED VEGETABLES
(RJLBPCS, 2020-12-01)Cooking vegetables before they are consumed helps in making them more palatable in addition to improving taste and texture. On the other hand, cooking causes a substantial change in the composition of chemicals thus ... -
Effect Of Electric Field In The Soil On The Germination And Growth Rate Of Rosecoco Beans Plant
(Research journali, 2020-01)This study shows the effect of electric field on the germination and growth of bean plants. Rose coco beans was chosen because its growing rate is fast and it’s a common food plant. An electric field was applied in the soil ... -
Effect of Human Activities and Seasonal Variation on Water Quality of Nkenye (Chikuu) Stream in Chuka, Kenya
(2013-01)Composite water and sediment samples were taken from Nkenye stream at five different sampling stations during wet and dry seasons. Water quality parameters were analyzed using standard methods to ascertain ... -
The effect of organic binders on the fracture properties of kaolin refractories, Journal of Material Science
(Springer, 2008-06)The fracture properties of kaolin-based refrac-tories prepared using plant-derived binders from okra and‘‘mrenda’’ have been investigated and compared. It wasobserved that the MOR of fired samples improved ... -
Effect of pH, Carbon and Nitrogen Sources on Antibiotic Production by Actinomycetes Isolates from River Tana and Lake Elementaita, Kenya
(Asian Journal of Research in Biochemistry, 2023-08-04)The escalating concern over antibiotic resistance and its profound impact on public health have underscored the urgent need to explore alternative reservoirs of antimicrobial agents. In this regard, Actinomycetes have ... -
Effect of the Y element on the structural, electronic and magnetic properties of Heusler compounds Co2YIn (Y = V, Nb, and Ti): An ab initio study
(AIP Advances, 2021-01-06)We report the effect of varying the Y element on the structural, electronic and magnetic properties of Co2YIn (Y = V, Nb, Ti) Heusler compounds using Density Functional Theory (DFT). The effect of the lattice parameter and ... -
Effector gene vap1based DGGE fingerprinting to assess variation within and among Globodera species and populations.
(2019-11-12)Population-level genetic tools to study the epidemiology of potato cyst nematodes (PCN) are needed to evaluate their adaptive potential and validate management strategies. The effector gene vap1 is essential in early ... -
Effects of 2,4-D and Hexazinone Application on soil Dehydrogenase activity on Sugarcane Cultivated Soils in Nzoia Sugarcane Plantations, pp 361-371.
(2020-10)Diversity of flowering plants, pollinators and microbial activity was assessed in five farms of Nzoia Sugar Company and one outgrower farm in Western Kenya. The overarching study objective was to determine differences in ... -
Effects of Auxin and Source of Explants on Callus Induction of Tropical Maize
(2012)Induction of callus from explants is a critical process in regeneration, micropropagation and transformation of plants. Formation of callus from plant tissues on culture is affected by different factors. This study sought ... -
Effects of dibenzylbutyrolactone lignans arctigenin and trachelogenin on the motility of isolated rat ileum
(Elsevier, 2022)Dibenzylbutyrolactone-type lignans are phenolic compounds of medical importance. The purpose of the study was to determine the effects of two such lignans, arctigenin and trachelogenin on the motility of isolated rat ileum ... -
Efficiency Evaluation When Modelling Nairobi Security Exchange Data Using Bilinear and Bilinear-Garch (Bl-Garch) Models
(2012-06)In this paper, the weekly returns of the Nairobi Securities Market (NSE) are modelled using bilinear models and the bilinear-GARCH models so as to determine the most efficient and adequate model for forecasting of ... -
An Empirical analysis of Commercialization of Small holder Farming: Its inclusive household Welfare Effects
(2916-04-18)This paper assesses the potential impact of commercialization of agriculture on household welfare of farmers in eastern Kenya under the Mwea rice scheme. The study consists of cross-sectional data collected with structured ... -
Enhanced Utilization of Biotechnology Research and Development Innovations in Eastern and Central Africa for Agro-ecological Intensification
(Springer, 2014-07-16)The Association for Strengthening Agricultural Research in Eastern and Central Africa (ASARECA) through its Agrobiodiversity and Biotechnology Programme is enhancing the utilization of biotechnology research and development ... -
Enhancement of the photo degradation of N-nitrosodimethylamine in water using amorphous and platinum manganese oxide catalysts
(ELSEVIER, 2011-01-25)The enhancement of the photodegradation of toxic N-nitrosodimethylamine (NDMA) in water using amorphous manganese oxide (AMO) and platinum manganese oxide (Pt/Mn3O4) catalysts was investigated. Characterization of the ... -
Equivalent Banach operator ideal norms’’
(2012-01)Let X, Y be Banach spaces and consider the w'-topology (the dual weak operator topology) on the space (L(X, Y) of bounded linear operators from X into X with the uniform operator norm. L w' (X, Y) is the space of all T ∈ ... -
Establishment of Reference Ranges for Liver Biochemistry Tests in Children in Meru County, Kenya
(2018-01)This study was aimed at determining the reference range values for eight liver function parameters that are routinely analyzed in the clinical chemistry laboratory of Meru Level 5 Hospital. The study was cross-sectional, ... -
Facile one-step template-free synthesis of uniform hollow microstructures of cryptomelane-type manganese oxide K-OMS-2
(2010-08)Hollow microstructures of cryptomelane-type manganese oxide were produced in a template-free one-step process based on the fine-tuning of the oxidation rate of manganese species during the synthesis. The tuning of the ...