University of Nairobi Institutional Repository: Recent submissions
Now showing items 31001-31020 of 116514
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Assessment of population exposure to climate change-induced exceedances of health-based air pollution thresholds in some urban areas in Kenya.
(University of Nairobi, 2018-07)Air quality is worsening in the rapidly growing metropolises of sub-Saharan Africa, including those in Kenya. In parallel, there is increasing evidence that air pollution is affecting health. Furthermore, since air quality ... -
Performance characterization of e-band links for wireless back-haul in broadband networks: the case for Kenya.
(University of Nairobi, 2018-01)The demand for high data speeds by users of mobile and fixed data services, telecom operators, data service providers and heavy data application institutions has posed a huge challenge of optimum backhaul solutions. To ... -
An investigation of impact of cash flow management on small and medium enterprise construction firms.
(University of Nairobi, 2018-08)The challenge of cash flow for small contractors is well documented. Besides management related challenges, lack of capital, limited access to credit, payment delays and lack of proper regulatory framework has bedeviled ... -
A hybrid heuristic-based localised area demosaicking technique for panchromatic colour filter arrays.
(University of Nairobi, 2018-07)Images have always been and remain a common and integral mode of human communication. In the 21st century, a two-pronged communications revolution in the form of mobile hand-held devices and social media has led to a higher ... -
Sero-prevalence of human and livestock brucellosis and associated risk factors in Marsabit county, Kenya.
(University of Nairobi, 2017)Brucellosis is among the world’s widest spread zoonotic diseases and recognized as a public health concern in both developed and developing countries. It is a bacterial zoonotic infection resulting in significant health ... -
Water sector reforms in Kenya: influence of the private operator model on financial sustainability of rural water schemes in Homa bay county.
(University of Nairobi, 2018)Water sector reforms focused on: reducing the Government‟s participation in direct delivery of water services, commercialising water market and encouraging participation of private operators, in order to enhance efficiency ... -
A Framework for E-health Implementation in the Health Care Sector in Kenya: a Grounded Theory Approach
(University of Nairobi, 2018)Information and Communication Technology (ICT) has turned into a key enabling tool in the enhanced healthcare delivery and has impacted how we live and see the world. The implementation of Information Technology (IT) and ... -
Efficacy of hexanal as a potential preservative of papaya (carica papaya l.) fruit.
(University of Nairobi, 2018)Fruits are rich in vitamins and antioxidants that are required in our daily diets. Papaya fruit for instance, is rich in pro-vitamin A and vitamin C that provide humans with a protective effect against cancer and other ... -
Evaluation of promiscuous soybean varieties for agronomic and grain quality traits in maize/soybean inter-cropping systems in Kenya.
(University of Nairobi, 2017)Soybeans which nodulate effectively with diverse indigenous rhizobia are considered as promiscuous. As such, determination of their suitability in the intercrop system is important. Three varieties namely ; GAZELLE, SB19 ... -
Genetic analysis of sweet potato (ipomoea batatas (l) lam) genotypes for beta carotene content and root yield in Kenya.
(University of Nairobi, 2017)Vitamin A deficiency is a major challenge in most of the African countries including Kenya. Several strategies have been applied to fight this challenge, but the most effective strategy is the improvement of the available ... -
Evaluating performance of rainwater harvesting technologies in Mwingi central sub-county, Kenya.
(University of Nairobi, 2018)The purpose of the study was to evaluate the performance of the rainwater harvesting (RWH) systems in the study area. An inventory of existing rainwater harvesting technologies and mapping of key watering points in the ... -
Comparison of three design standards on Nakuru – Nyahururu road of flexible pavements in Kenya.
(University of Nairobi, 2018-05)The study road Nakuru – Nyahururu diverts from A109 Highway in Nakuru town passes through mountainous escarpments and small towns like Bahati, Subukia and the seat of Laikipia County (Nyahururu). It covers a total distance ... -
Resistance of common bean genotype to foliar fungal and bacterial diseases.
(University of Nairobi, 2018)Foliar diseases have been reported to cause 45 to 100% of grain losses in common bean. However, conventional management strategies are not effective and sustainable to combat the bean yield losses. The use of host plant ... -
Budgeting Processes, Internal Controls, Organizational Characteristics and Performance of Selected Protestant and Evangelical Churches in Kenya
(University of Nairobi, 2018)The study sought to establish the effect of Internal Controls and Organizational Characteristics on the relationship between the budgeting process and the performance of Churches in Kenya to address identified gaps in the ... -
Diversity of ticks and tick-borne protozoan parasites from livestock and wildebeests at the Maasai-mara wildlife- livestock interface, Narok county, Kenya.
(University of Nairobi, 2018-04)Wildlife-livestock interfaces are hotspots for tick-borne livestock diseases, which cause high mortalities and morbidity. Wild bovines in these interfaces play a major role in maintaining tick vectors and tick-borne ... -
Efficacy of selected biological and synthetic agents in the management of plant parasitic nematodes in tissue culture banana
(University of Nairobi, 2018)Pratylenchus spp. and Meloidogyne spp. are key pests of banana in Kenya. Tissue cultured banana plantlets are considered clean for planting but infestation with these pests has been increasing due to the state of the soil ... -
Drought tolerance in andean and mesoamerican genotypes of the common bean.
(University of Nairobi, 2018)Dry bean (Phaseolus vulgaris L.) is a popular legume sensitive to water stress especially during reproductive development phase. Adaptation to drought stress is therefore an increasingly important trait in production of ... -
Influence of teamwork approach on project performance: a case of road construction in Kericho County, Kenya
(University of Nairobi, 2018)Teamwork approach is a feature of the construction industry in the sense that construction projects are delivered by various professions who work as a team. These professionals may include architects, contractors, material ... -
Determinants of the sustainability of alphia plus water projects in public primary schools in Manga sub-county Nyamira County, Kenya
(University of Nairobi, 2018)Project Sustainability is a desire of every community, private agency or Government as a means of ensuring that positive gains are delivered to the target communities in long term. This phenomenon was brought to focus ... -
Breeding rice for grain yield, earliness and grain quality in Eastern Africa
(University of Nairobi, 2018)Rice is one of the most important cereal crops in Eastern Africa and it’s often ranked after sorghum, wheat and maize. Unfortunately, rice yield per hectare is low (<3.6 t ha-1) because smallholder farmers rely on local ...
