Utafutaji Theses and Dessertations Kwa tarehe ya kutolewa kitabu
Now showing items 21-40 ya 50
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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 ... -
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 ... -
FIELD DEPENDENCE OF THE PROPERTIES OF HIGH-TEMPERATURE SUPERCONDUCTORS
(University of Eldoret, 2016)High temperature superconductivity mechanism has remained an elusive concept for a long time. Field dependence of the properties of high temperature superconductors could be on the brink of solving this puzzle. This Study ... -
INVESTIGATION OF POLLUTANT LEVELS AND EFFICIENCY OF HEAVY
(2016-05-19)An increase in population initiating rapid industrialization has been found to consequently increase the effluents and domestic wastewater into the aquatic system. This has resulted in heavy metal pollution which has become ... -
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 ... -
OPTICAL NOISE PERFORMANCE IN SMF-REACH AND SMF-REDUCED SLOPE FOR RAMAN FIBRE AMPLIFICATION USING DIFFERENT PUMPING TECHNIQUES
(2016-05-19)Signal amplification in optical fibres during transmission has become one of the techniques in improving capacity and reach in telecommunication networks. Fibre Raman amplifiers (FRAs) are currently being adopted in many ... -
ALGEBRA OF COUPLED ELECTRONS IN THE CO-EXISTENCE OF
(2016-05-19)Superconductivity is a phenomenon in which the d.c electrical resistance of a material vanishes completely and instantly rather than gradually when it is cooled below a certain temperature called the superconducting ... -
E-OPTIMAL DESIGNS FOR SECOND-DEGREE KRONECKER
(2016-05-19)Many products are formed by mixing together two or more ingredients. For example, in building construction, concrete is formed by mixing sand, water and cement. Many practical problems are associated with investigation ... -
FIRST PRINCIPLES ELECTRONIC STRUCTURE CALCULATIONS OF BaF2 AND GENERATION OF PARAMETRIZED POTENTIAL FOR MOLECULAR DYNAMICS STUDY OF THE SUPERIONIC PROPERTIES OF c-BaF2
(2016-05-19)The electronic structure and defects of barium fluoride, BaF2, have been studied using the denstiy functional theory, DFT and density functional perturbation theory, DFPT. Lattice parameter of 6.10 Å was calculated comparable ... -
FABRICATION AND CALIBRATION OF LOW COST CAPACITIVE SOIL
(2016-05-19)ABSTRACT Soil humidity is critical in crop production and its control is essential to water conservation. The knowledge of soil humidity to majority of farmers in Kenya is based on effects of weather on crops and soil ... -
EFFECTS OF TEMPERATURE ON METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR CHARACTERISTICS
(2016-05-20)The metal-oxide-semiconductor field-effect transistor (MOSFET) is a transistor used for amplifying and switching on circuits. In this study, the MOSFET parameters were computationally modeled, analysed and presented. The ... -
FABRICATION AND CALIBRATION OF LOW COST CAPACITIVE SOIL
(2016-05-23)Soil humidity is critical in crop production and its control is essential to water conservation. The knowledge of soil humidity to majority of farmers in Kenya is based on effects of weather on crops and soil texture. ... -
EFFECT OF LIMING ON LEVELS OF POLLUTANT HEAVY METALS IN
(2016-05-23)Soil contaminated with heavy metals from agricultural and industrial sources leads to unhealthy food. The metals enter the food chain and are consumed by humans. Phosphate fertilizers too contain undetermined amounts of ... -
CRYSTALLIZATION OF HELIUM-3 AND NEUTRON MATTER FERMIONS IN CONDENSED MATTER PHYSICS
(University of Eldoret, 2017)In this Thesis crystallization of a hard-sphere assembly of fermions with densities ranging from low to high values has been theoretically investigated, the fermions are very close to each other, and the interaction between ... -
PERFORMANCE OF VCSEL AT 10 Gb/s IN G.655 AND G.652 SSMF IN THE 1310 nm AND 1550 nm TRANSMISSION WINDOWS
(University of Eldoret, 2017)Vertical cavity surface emitting lasers (VCSELs) are now major optical sources in optical communication and technology. The VCSEL-based transmission systems satisfy the next generation optical fibre access networks ... -
A DENSITY FUNCTIONAL THEORY STUDY OF COPPER OXIDES NANOWIRES AND CLUSTERS ON ANATASE TiO2 (101) SURFACE FOR PHOTOCATALYTIC WATER SPLITTING
(2018)Copper oxides deposited at titania surfaces have a beneficial effect on the photocatalytic activity of TiO2, particularly water splitting. However, the role of copper oxides and mechanisms of enhancement remains to be ... -
SYNTHESIS, GROWTH AND PHYSICO-CHEMICAL PROPERTIES OF TITANIUM DIOXIDE NANOTUBES FOR PHOTOCATALYTIC WATER PURIFICATION
(2018)Titanium dioxide (TiO2) photocatalysis is a promising method for decomposition of organic contaminants in water and belong to new a class of water purification methods called advanced oxidation processes (AOPs). AOPs ... -
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 ... -
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 ... -
MODELLING AND OPTIMIZATION OF SUBTHRESHOLD LEAKAGE CURRENT IN LOW-POWER, SILICON-BASED, COMPLEMENTARY METAL OXIDE SEMICONDUCTOR (CMOS) DEVICES
(University of Eldoret, 2019)The trend of process scaling for CMOS technology has made subthreshold leakage reduction a growing concern for submicron circuit designers. Power consumption has become a principle design consideration as device sizes ...