School of Science: Recent submissions
Now showing items 161-180 of 491
-
EFFECT OF GRAIN SIZE, BED DEPTH AND RETENTION TIME IN INTERMITTENT BIOSAND FILTERS FOR IMPROVEMENT OF SECONDARY SEWAGE EFFLUENT QUALITY
(University of Eldoret, 2014)Biosand filtration (BsF) is a simple technique used for pathogen and particle removal in drinking water purification. It may be adapted for wastewater stabilization but only a few studies have been done on improvement ... -
THERMODYNAMIC PROPERTIES OF HIGH TEMPERATURE SUPERCONDUCTORS BASED ON THE t-J-d MODEL
(University of Eldoret, 2015)Many theories that attempt to describe the superconducting state have suffered significant failures, leaving the t-J model as the only model which effectively captures the physics of the strong correlations inherent ... -
NUCLEON-NUCLEON INTERACTION IN RHENIUM- 186Re.
(University of Eldoret, 2014)Properties of nuclear matter and large finite nuclei have been studied using different types of nucleon-nucleon (NN) interaction potential. In this study, focus is on the thermodynamic properties of a large nucleus of ... -
INVESTIGATION OF ETHREL GAMETOCIDE IN FINGER MILLET (Eleusine coracana, L. Gaertn) HYBRIDS THROUGH GENETIC ANALYSIS
(University of Eldoret, 2015)Finger millet is a staple food crop of in Africa due to; desirable attributes like being highly nutritious, good grain storagability and strong cultural value. In Kenya, therefore, finger millet is on high demand for ... -
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 ... -
ACTIVITY OF TEPHROSIA VOGELII CRUDE EXTRACT AGAINST LEISMANIA MAJOR IN EXPERIMENTALLY INFECTED BALB/c MICE
(University of Eldoret, 2016)Leishmaniasis, a vector-borne disease caused by obligate intra-macrophage protozoa, is endemic in large areas of the Tropics, Subtropics and the Mediterranean basin and 350 million people are considered at risk. The ... -
EFFICACY OF NEW PYRETHRUM SYNERGISTS FROM OCIMUM KILIMANDSCHARICUM GUERKE AND TAGETES MINUTA L. AGAINST MALARIA VECTOR THE ANOPHELES GAMBIAE
(University of Eldoret, 2016)Mosquitoes are vectors that carry disease-causing viruses and parasites from person to person. Some of these diseases such as dengue, malaria, rift valley fever, yellow fever among others can be life threatening. Vector ... -
AN INVESTIGATION ON MAGNETOHYDRODYNAMICS FLUID FLOW BETWEEN TWO PARALLEL INFINITE PLATES SUBJECTED TO AN INCLINED MAGNETIC FIELD AND VARYING TEMPERATURES
(University of Eldoret, 2015)Magnetohydrodynamics (MHD) is the study of electrically conducting fluids in the presence of magnetic fields. This study examined the motion of a viscous, electrically conducting and incompressible fluid flowing steadily ... -
TAXONOMY AND NUTRIENT COMPOSITION OF SPECIES IN THE Vernonia hymenolepis A. RICH. COMPLEX IN TROPICAL EAST AFRICA
(University of Eldoret, 2015)Three Stengelioid species forming a complex in the genus Vernonia Schreber. in Tropical East Africa viz., Vernonia calvoana (Hook.f.) Hook.f., Vernonia hymenolepis A. Rich. and Vernonia tolypophora Mattf. were investigated ... -
PROPERTIES OF A MIXTURE OF BOSONS AND FERMIONS AT ZERO KELVIN TEMPERATURE
(University of Eldoret, 2016)Quantum materials reveal unexpected and exotic behavour when subjected to extreme conditions such as low temperature and/or high pressure. Ultra cold gases provide a very powerful tool for simulation and study of ... -
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 ... -
A DESIGN OF A LOW-REYNOLDS NUMBER AIRFOIL THAT LEADS TO THE FORMATION OF SEPARATION BUBBLES AT THE LEADING EDGE
(University of Eldoret, 2014)The aerodynamics of airfoils at low Reynolds numbers (Re) has become increasingly important from both fundamental and industrial points of view, due to recent developments in small wind turbines, small unmanned aerial ... -
DETERMINATION OF THE EFFICIENCY OF 17-α METHYLTESTOSTERONE ON SEX REVERSAL OF NILE TILAPIA, OREOCHROMIS NILOTICUS AT DIFFERENT DEVELOPMENTAL STAGES
(University of Eldoret, 2014)The aim of the study was to determinate the efficiency of 17-α methyltestosterone on sex reversal of Nile tilapia, Oreochromis niloticus at different developmental stages. Fish were seined from Eldoret fish farm and those ... -
USE OF SLOW SAND FILTRATION TO IMPROVE TREATED EFFLUENT AT BOUNDARY SEWAGE TREATMENT PLANT (ELDORET) FOR IRRIGATION
(University of Eldoret, 2014)Food insecurity in Kenya due to dependence on rainfall, coupled with drying up of rivers and wells during the dry season make it impossible to grow crops throughout the year. These factors have increased the demand on this ... -
ANTIMICROBIAL ACTIVITY, PHYTOCHEMICAL PROFILE AND CYTOTOXICITY OF SELECTED MEDICINAL PLANTS FOUND IN KAPTUMO DIVISION IN NANDI COUNTY, KENYA
(University of Eldoret, 2014)In Kenya, medicinal plants have been used by the local people as traditional medicine to treat different human ailments from time immemorial. The efficacy and safety of most of these plants has not been determined hence ... -
ANALYSIS OF THE LEVELS OF SELECTED HEAVY METALS IN THE VICINITY OF A LEAD BATTERIES RECYCLER PLANT IN ATHI-RIVER, KENYA
(University of Eldoret, 2015)The levels of heavy metals in the environment have been increasing in the recent past as a result of human activities. Since toxicity of heavy metals is widely known, their speciation is increasingly attracting attention. ... -
POTENTIAL OF TEA FACTORY WASTE IN REMOVAL OF SELECTED HEAVY METAL IONS FROM SIMULATED CONTAMINATED WASTE WATER
(University of Eldoret, 2014)Pollution of water resources has increased with human activities world over and heavy metals are major contaminants. In this study, removal of Cd2+, Cr3+, Cu2+, Pb2+ and Zn2+ ions from simulated contaminated water using ... -
A DENSITY FUNCTIONAL THEORY STUDY OF COPPER OXIDES NANOWIRES AND CLUSTERS ON ANATASE TiO2 (101) SURFACE FOR PHOTOCATALYTIC WATER SPLITTING
(University of Eldoret, 2018)Copper oxides deposited at titania surfaces have a bene cial e ect on the photocatalytic activity of TiO2, particularly water splitting. However, the role of copper oxides and mechanisms of enhancement remains to be ... -
GERMINATION PHYSIOLOGY OF AFRICAN BIRD’S EYE CHILI SEED
(University of Eldoret, 2014)Seed germination parameters may be determined by stage of seed maturity and the level of dormancy. These parameters subject the seed to varied responses on sensitivity to environmental factors that stimulate germination ... -
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 ...
