Recherche
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A survey of the problems experienced by girls in learning physics at 'O'- Level and their implications on girls' interest in the subject in Kericho district, Kenya
(2012-06-04)
This research project was conducted in five selected secondary school in Kericho District, Kenya, to identify: the problems experienced by girls in learning physics at 'O' - level and their implications on the girls' ...
Characterization of ti02 based dye-sensitized solar cell prepared by screen printing method.
(2014-08-27)
The dye-sensitized solar cell can provide an economically credible alternative in mitigating the challenges presented by the current convectional photo voltaic devices. They use appropriate semiconductor materials to produce ...
Electrical Characterization of Cu and Al Doped Amorphous Semiconductor As2Se3
(Kenyatta University, 1988-10)
The electrical conductivity and thermoelectric power of an amorphous semiconductor As2Se3 in pure and doped forms were studied with temperature. The dopants used were 1 at. % Cu and 1 at. % AI. Measurements on electrical ...
Design and fabrication of a microprocessor-based industrial Robot control system
(2012-01-11)
Industrial automation is characterized by periods of rapid change in automation techniques. From historical viewpoint, the origin of industrial robots is linked to the continued development of automated machinery. The ...
Mechanical properties and thermal degradation of bitumen-acacia sap composites
(2013-03-20)
The rapid increase in traffic intensity, axle loading, rigorous climatic changes and commercial road transport continues to impose severe demands of load and environment on the highway system. Bitumen mostly used as a ...
Design and fabrication of an electronic system for pressure and temperature measurement in thin film deposition systems
(2012-04-17)
Temperature and pressure are quantities of great importance in various applications such as integrated circuit (IC) manufacture and vacuum coating just to mention a few. Therefore, their accurate measurement is inevitable. ...
Influence of deposition pressure on the optical properties of DC-Magnetron sputtered Indium Tin Oxide (ITO) thin films
(2011-12-13)
Indium tin oxide (ITO) has continued to attract great interest in the research and technological world because it bears a valuable compromise of both high optical transparency and high electrical conductivity. These twin ...
Iron ore mineral deposits exploration by ground magnetics in Kindani area, Meru County, Kenya
(Kenyatta University, 2016-11)
Recent geophysical surveys have reported presence of iron ore deposits within Meru County. It has been speculated that there could be more deposits within the region. Ground magnetic surveying was used to detect magnetic ...
Radioactivity concentrations and dose assessment for soil samples from wheat plantation areas of Narok County, Kenya
(Kenyatta University, 2016-09)
Naturally occurring radioactivity has existed in our environment since the creation of the earth. Uranium, thorium and potassium radionuclides are relatively abundant in rocks and soils. Poor agricultural practices such ...
Characterization of CuxNy AND CdO:Al thin films for solar cell applications
(Kenyatta University, 2016-05)
A solar cell is a device that converts light energy into electricity by photovoltaic effect. The photovoltaic effect refers to photons of light exciting electrons into a higher state of energy, allowing them to act as ...