PhD Theses: Department of Department of Physical Sciences
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(Daniel Karanja Mutitu, 2020-11)Microorganisms in soil and water play a significant role in physico-chemical and mechanical properties as well as the durability of building materials. The microorganisms can either contribute to the improvement or ...
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(University of Embu, 2020-11)Particleboards are formulated from lignocellulose material bound with adhesives. Conventional lignocellulose material used is wood particles and adhesive is formaldehyde-based resin. Due to reduction of tree cover, wood ...
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(Edinburgh Napier University, 2017-04)Ongoing work on the ‘blue carbon’ has established that vegetated coastal ecosystems – mangroves, seagrasses and tidal marshes – are exceptionally powerful natural carbon sinks. Hence, there are important applied arguments ...
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(University of Embu, 2020-02)Mineral data shows several deposits of copper and titanium minerals in Kenya yet the country continues to import copper and titanium products. In some regions of Tharaka Nithi County, occurs ores that are known to contain ...
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(Kenyatta University, 2009-02)Cement is subject to degradation by aggressive media found in the environment. Durability tests are therefore necessary for any cementitious material in a given environment. The work reported in this thesis involved the ...
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(Jomo Kenyatta University of Agriculture and Technology, 2015-07)The sun provides an abundant and clean source of energy. However the supply of this energy is periodic following yearly and diurnal cycles, intermittent, unpredictable and it is diffused. Its density is low compared to the ...
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(2015-03)In Kenya, Maize is a key cereal crop and a major staple food in most Kenyan families. Most maize farmers mainly apply nitrogenious and phosphorous fertilizers to improve on maize yields in the country and Nyamira county ...