Faculty of Science & Technology (FST): Recent submissions
Now showing items 921-940 of 4213
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Assessing The Predictability Of Rainfall In Southern Africa With Focus On Eswatini Using Global Ocean And Atmosphere Indicators
(UoN, 2019)Southern Africa and Eswatini in particular rely heavily on rainfall for agricultural production which supports socio-economic activities. Thus, skilful and timely rainfall predictions are very imperative, since it is only ... -
On Application Of Operator And Group-Theoretic Concepts In Signal Processing And Cryptography
(UoN, 2019)In this thesis we have studied how operator theory is applied in signal processing and how some concepts in group theory are crucial in the design of cryptosystems and their use in hiding information. A frame is a redundant ... -
Assessment of Toxigenic Potential and Genetic Relatedness of Aspergillus Flavus Populations From Different Maize Growing Regions in Kenya
(University of Nairobi, 2019)Maize (Zea mays L.) is a staple food in Kenya, being consumed at 98 Kg/person/year. Aflatoxin, a metabolite of Aspergillus flavus is a common maize contaminant, and Aflatoxin B1 (AFB1) is the most carcinogenic natural ... -
Effect Of Uptake Of Climate Information Services On Food Crops Productivity In Rwanda
(UoN, 2019)The accumulated effects of both rainfall and temperature changes impose substantial threats to food crops productivity patterns in the rain-fed agricultural system in developing countries, Rwanda included. Suitable climate ... -
Atmospheric Corrosion Analysis Of Metallic Coated And Prepainted Steel Roofing Products In Selected Sites In Kenya
(UoN, 2019)Atmospheric corrosion of metallic materials is of concern due to structural failures and massive losses in infrastructure associated with corrosion. A study was conducted to assess the accelerated and outdoor corrosion ... -
Abundance, Diversity And Distribution Of Small Mammals In Oloolua Forest, Nairobi, Kenya
(UoN, 2018)Nairobi’s fast growth as an urban center has posed various negative challenges to fauna and flora. The future of small mammals is especially bleak considering their specific ecological needs which are easily affected by ... -
Evaluation of Constructed Wetlands and Conventional Wastewater Treatment Systems in Selected Kenyan Tea Factories
(University of Nairobi, 2019)Environmental pollution due to discharge of untreated or poorly treated industrial wastewaters has become a major source of concern with respect to the safety of our environment. Wastewaters from processing of black tea ... -
Developmemt Of Climate Change Vulnerability Maps And A Poverty Model Using Kenya As A Case Study
(UoN, 2019)Sustaining climate change resilience and achieving poverty eradication goals in Kenya, as a climate policy, is expected to be affected by the continued atmospheric warming. Future impacts on the human population as a result ... -
Determination of Bisphenol a Bpa in Thermal Papers, Selected Soil Samples and the Effect of Temperature and Humidity on Its Concentration
(University of Nairobi, 2019)Exposure to Bisphenol A (BPA) is associated with various health complications globally. Whereas various research have been conducted in Asia, North America and Europe, limited work has been conducted inAfrica on BPA . The ... -
Isolation and Screening of Actinomycetes From Volcanic Soils of Menengai Crater in Kenya for Antibiotic Activity Using Culture and Genomic Techniques
(University of Nairobi, 2019)Diseases are the most dangerous enemy of man despite the many strides made in medicine today. The growing list of antibiotic resistant human pathogens in recent years has made the search for new, safe antibiotics a top ... -
Characterization of Sb2s3 Based Extremely Thin Absorber Solar Cells Employing Tio2- nb Compact Layer
(University of Nairobi, 2019)An extremely thin absorber (ETA) solar cell of the type FTO/TiO2/Sb2S3/P3HT/Ag has been studied by theoretical method using software simulation as well as by experimental method with an inclusion of a porous layer of TiO2. ... -
Screening of Farmer-preferred Cassava Cultivars for Resistance to Cassava Brown Streak Virus Disease in Kenya
(University of Nairobi, 2019)Cassava brown streak disease (CBSD) is one of the seven major constraints threatening food security worldwide. The challenge in managing the disease is lack of an effective and sustainable method of mitigating CBSD with ... -
A Framework for Adopting Green It in Telecommunication Companies- a Case Study of Major Telecommunication Companies in Kenya
(University of Nairobi, 2019)Green IT adoption is the effort in an organization to tackle the current ecological challenges facing the universe. The goal of this paper is to propose a framework to assist organizations’ and practitioners in the adoption ... -
Screening of Kenyan Soybean Cultivars for Resistance to Different Races of Phakopsora Pachyrhizi (Soybean Rust) and Determination of Molecular Basis for Rust Resistance
(university of nairobi, 2019)Soybean (Glycine max (L.) Merrill.) is a highly nutritious plant which plays an important role in the world’s economy, however soybean rust disease caused by the fungus Phakopsora pachyrhizi, is a major challange to the ... -
Assessment of the Temporal and Spatial Characteristics of Droughts in Kenya
(university of nairobi, 2019)Drought in Kenya is ranked among the top and most expensive natural disaster to deal with due to its creeping phenomena. The frequency and intensity of droughts in the country have been increasing in recent years leading ... -
On Ricci Solitons as Quasi-einstein Metrics
(university of nairobi, 2019)This thesis is the key to good understanding of di erential geometry with para- Kenmotsu and Lorentzian Para- Sasakian structure and it is organized as follows. In chapter one, the preliminaries and de nitions are ... -
Simulating Impacts of Climate Change on Sorghum Production in the Semi-arid Environment of Katumani in Machakos County, Kenya
(university of nairobi, 2019)Reduced agricultural production and food security continues to be pressing problems for the larger part of smallholder farmers in Sub-Saharan Africa (SSA), as well as semi-arid Eastern Kenya. The main objective of this ... -
Pentanomial Lattice Models in Option Pricing
(Pentanomial Lattice Models in Option Pricing, 2018)Options are derivatives which is an agreement linking two persons or more of vested interest whose worth is based on an agreed-upon underlying nancial asset. An agreement de nes the buyer the right, but not the commitment, ... -
Predicting Maize (Zea Mays) Yields in Eastern Province of Rwanda Using Aquacrop Model
(University of Nairobi, 2019)Rwanda is affected by prolonged droughts leading to reduction in crop production and livestock production with severe food insecurity. Rain fed agriculture in Rwanda is affected by drought and variation in seasonal rainfall ... -
Creation of a Web-based Database Application for Management of Compulsory Land Acquisition.case Study -a Section of the Nairobi -nakuru Highway (Uplands to Kimende)
(University of Nairobi, 2018)Compulsory acquisition is power of the State to deprive or acquire any title or other interest in land for a public purpose subject to prompt payment of compensation (Land Act,2012).This project explored how geospatial ...
