Browsing School of Science by Title
Now showing items 361-380 of 427
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RADIATION EXPOSURE LEVELS AND THEIR POTENTIAL EFFECTS ON DOMESTICATED ANIMALS IN WEST POKOT, KENYA
(University of Eldoret, 2021)Radioactive matter in the earth’s crust and celestial bodies are the main sources of natural radioactive exposure to man and animals. The main contribution to external exposure comes from gamma-emitting radionuclides present ... -
RELATIONSHIP BETWEEN NITRATES, PHOSPHATES IN WATER, IODINE LEVELS IN TABLE SALT AND GOITER OCCURENCE: A CASE STUDY OF NANDI HILLS, KENYA
(University of Eldoret, 2017)Nitrates and phosphates are among the major inorganic pollutants in the environment, primarily contributed by nitrogenous and phosphate fertilizers, organic manures, human and animal wastes, and industrial effluents through ... -
RELATIVE ABUNDANCE AND DISTRIBUTION OF STEM BORERS IN INTERCROPS OF Zea mays L., Sorghum bicolor L. AND THREE GRAMINAE REFUGIA IN TRANS-NZOIA COUNTY.
(University of Eldoret, 2012)This study aimed at determining the relative abundance and distribution of stem borers in intercrops of Zea mays L. and Sorghum bicolor L. and three graminae refugia due to the great economic damages caused by the stem ... -
REPRODUCTIVE HORMONE CONCENTRATIONS AND HISTOLOGY OF THE HYPOTHALAMUS, PITUITARY, OVARY, UTERUS AND LIVER OF RABBITS FED ON AFLATOXIN LACED DIETS
(University of Eldoret, 2022-11)Aflatoxin effect on the liver, results in cellular hepatic damage which inhibit enzyme synthesis or lipid metabolism, causing decreased synthesis of precursor molecules for gonadal and gonadotropic hormones. The presence ... -
RESPONSE OF SELECTED GRAIN SORGHUM LINES TO WATER STRESS
(University of Eldoret, 2014)Sorghum (S. bicolor (L.) Moench) is an important cereal crop in drier areas of the world where drought is a major cause of low yields. Drought can occur at any stage of growth of sorghum in the field. It is characterized ... -
Review on the Socio-Economic Impacts of Trypanosomiasis
(Africa Environmental Review, 2022)Trypanosomiasis is a parasitic disease thatcauses Animal African Trypanosomiasis, also known as nagana in animals and zoonotic Human African Trypanosomiasis, also referred to as sleeping sickness in humans. Tsetse ... -
The Rodent Pest Species Infesting Maize (Zea mays L) and Wheat (Triticum aestivum L) Farms at University of Eldoret, Uasin Gishu County, Kenya
(University of Eldoret, 2023-04)Rodents are pests of concern in Kenya, as they cause considerable damage to cereal during pre harvest and post-harvest period and therefore affecting food security by impacting on both food availability, quantity and ... -
ROLE OF LONG – RANGE ELECTRON - PHONON AND COULOMB INTERACTIONS IN HIGH - TC CUPRATE SUPERCONDUCTORS
(University of Eldoret, 2016)Superconductivity is the disappearance of the electrical resistance of certain materials at certain critical temperatures called transition temperatures. This phenomenon was discovered in 1911 and is one of the most ... -
The Role of Shell Model in Determining Pairing Interaction in Nuclei
(International Journal of Recent Research Aspects, 2019)The role of the shell model in pairing interaction in nuclei is investigated by calculating the pairing energies of O–O (odd–odd), O–E (odd–even), E–E (even–even) and E–O (even–odd) isotopes of four elements namely; 15P, ... -
ROTATING OPTICAL BEAMS: DIGITAL HOLOGRAPHIC GENERATION, PROPERTIES AND SELF-RECONSTRUCTION DYNAMICS
(2016-05-19)This thesis reports on an experimental investigation of rotating optical beams. Superpositions of higher-order Bessel beams with rotating intensity profiles were generated using a digital holographic experimental technique ... -
ROTATING OPTICAL BEAMS: DIGITAL HOLOGRAPHIC GENERATION, PROPERTIES AND SELF-RECONSTRUCTION DYNAMICS
(University of Eldoret, 2013)This thesis reports on an experimental investigation of rotating optical beams. Superpositions of higher-order Bessel beams with rotating intensity profiles were generated using a digital holographic experimental technique ... -
Safety evaluation and antihyperglycaemic effect of root extract of Maerua decumbens (Brongn.) DeWolf in Wistar rats
(Elsevier, 2020)Local communities living in rural regions of Kenya use the plant, Maerua decumbens (Brongn.) DeWolf for various purposes including water purification (roots), as food (roots and fruits) and medicinal (various parts of ... -
SEASONALVARIATIONS ON FLAVONOID BIOSYNTHETIC PATHWAY PROCESSES IN Camellia sinensis (L) O Kuntze OF SELECTED KENYAN CULTIVARS
(University of Eldoret, 2019)Globally, production of black tea has been on an increasing trend. This has posed a challenge on the market prices due to glut in the market. Thus need for diversification of tea products. Flavonoids are good antioxidants ... -
Selected Heavy Metal (Zn, Pb and Cd) Pollution in Soil and Water from Marakwet East and Marakwet West, Elgeyo Marakwet County, Kenya
(African Environmental Review Journal, 2022-06)Heavy metal pollution has become a global public health issue, aggravated by human activities in the world leading to food and drinking water quality challenges. The present study aimed at assessing selected heavy metal ... -
SIMPLE SEQUENCE REPEAT ANALYSIS OF 2015 WHEAT STEM RUST PATHOGEN (Puccinia graminis f. sp. Tritici); (Pgt) POPULATION IN KENYA.
(University of Eldoret, 2019)Wheat (Triticum aestivium) production in Kenya is severely hampered by emerging and re-emerging pathogens, stem rust Ug99 and related race group being one of the major constraints. The challenge has been largely attributed ... -
SIMULATION OF NOT-, AND- AND OR- OPTICAL GATES USING WIDEBAND TRAVELLING WAVE SEMICONDUCTOR OPTICAL AMPLIFIER
(University of Eldoret, 2016)All optical gates have received practical applications in the recent past. This is due to its high demand in optical communication networks in this age of Information Technology (IT). They have assisted in performance of ... -
SOIL FERTILITY AMENDEMENT USING MOLASSES WASTEWATER AND PIGWASTE AND THEIR INFLUENCE ON SOIL CHARACTERISTICS AND YIELD OF COWPEAS (Vigna unguiculata)
(University of Eldoret, 2014)Soil fertility is the number-one natural resource in Africa. However, due to high soil acidity and low fertility, food production has declined over the last decade. A case in point is in Uasin Gishu County, where farmers ... -
SOLID-STATE THERMAL DESOLVATION AND STRUCTURAL STUDIES OF OXALIC ACID DIHYDRATE, ZINC ACETATE DIHYDRATE, COPPER (II) SULFATE PENTAHYDRATE AND NICKEL (II) SULFATE HEXAHYDRATE
(2016-05-23)For many years it has been widely accepted that crystal dehydration can be related to internal crystal structure. However, there is very little empirical data or experiments on this work. This work makes an attempt to use ... -
SOLID-STATE THERMAL DESOLVATION AND STRUCTURAL STUDIES OF OXALIC ACID DIHYDRATE, ZINC ACETATE DIHYDRATE, COPPER (II) SULFATE PENTAHYDRATE AND NICKEL (II) SULFATE HEXAHYDRATE
(University of Eldoret, 2013)For many years it has been widely accepted that crystal dehydration can be related to internal crystal structure. However, there is very little empirical data or experiments on this work. This work makes an attempt to use ... -
SOLUTION OF THE NON-LINEAR THIRD ORDER PARTIAL DIFFERENTIAL EQUATION OF A STEADY HYDROMAGNETIC FLOW THROUGH A CHANNEL WITH PARALLEL STATIONARY POROUS PLATES
(University of Eldoret, 2018)This thesis deals with the solution of the non-linear third order partial differential equation of a steady hydromagnetic laminar flow of a conducting viscous incompressible fluid through a channel with two parallel ...