Faculty of Science & Technology (FST): Recent submissions
Now showing items 3881-3900 of 4089
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Effects of human disturbance on the distribution of arbuscular mycorrhizae fungi in the Maasai-Mau forest, Kenya
(University of NairobiSchool of Biological Sciences, 2011)A study of Arbuscular Mycorrhiza Fungal (AMF) spore abundance and species diversity was undertaken along a gradient of disturbance in the Maasai Mau forest which forms part of the Mau forest complex. The aim of the study ... -
Efficacy of the D-Design Ifakara Tent Trap for Sampling Malaria Vectors in An Area of Mass Long Lasting Insecticidal Bed Nets Use
(University of NairobiSchool of Biological Sciences, 2012)The quest to develop alternative mosquito surveillance tools that substitute for Human Landing Catches and that are effective, exposure free and easy to use has resulted in the development of a variety of traps. These ... -
Churn prediction in mobile telecommunications industry: Acase study of Safaricom Ltd
(School of mathematics, 2012-07)The focus of telecommunication companies has shifted from building a large customer base into keeping customers in house. For these reasons, it is valuable to know which customers are likely to switch to a competitor ... -
Determination of the adjuvant potential of bacille calmette guérin with culture derived leishmania major soluble exo-antigens
(University of NairobiSchool of Biological Sciences, 2008)Leishmaniasis is one of the neglected diseases that afflicts residents of developing countries. To date, there are no proven vaccines against this disease. Previous studies have shown that Leishmania major soluble ... -
Antifungal bioactivity of selected medicinal plants used in treatment of fungal infections in the Lake Victoria Basin, Kenya
(University of NairobiSchool of Biological Sciences, 2009)Opportunistic fungal infections are common in immunocompromised patients especially those with HIV/AIDS. The Lake Victoria Basin has some of the highest prevalence rates of HIV/AIDS hence high prevalence of these fungal ... -
The effect of immunizing Swiss mice with soluble proteins from the intermediate host biomphalaria pfeifferi and challenging them with schistosoma mansoni
(University of NairobiSchool of Biological Sciences, 2011)Schistosomiasis, also known as bilharziasis, is second only to malaria in public health importance. It is estimated that 200 million people worldwide are infected and that 20 000 deaths are associated with the severe ... -
Use of bone decay rate (taphonomy) in determining wildlife numbers anddistribution in Meru National Park, Kenya
(University of NairobiSchool of Biological Sciences, 2011)Bone surveys method was used in Meru national Park to estimate wildlife numbers and their distribution where bone decay rates were used to estimate the period the animal concern existed (back-censusing) in the landscape. ... -
The distribution, abundance and ecological impacts of invasive plant species at Ol-Donyo Sabuk National Park, Kenya
(University of Nairobi, 2010)Invasive species are a major conservation and management concerns in natural ecosystems and pose a significant threat to many of Africa's conservation areas. The aim of this study was to asses the impacts of invasive ... -
Land use change and its effects on soil and vegetation degradation in Kibwezi District.
(University of NairobiSchool of Biological Sciences, 2006)Land degradation is caused by removal of vegetation cover and subsequent fertility loss. Frequent assessment of land use changes and their effects on soil and vegetation in ranches is critical to their conservation. This ... -
The effects of habitat change on the avifauna of Mount Marsabit forest, Kenya
(University of NairobiSchool of Biological Sciences, 2007)Forests are important ecosystems because of their immense contribution to national economy and the livelihoods of local communities. They are also important for biodiversity conservation and are indeed critical habitats ... -
Hierarchical linear modeling of student and school effect on academic achievement
(School of mathematics, 2012-07)The purpose of this study was to investigate the factors that affect student performance in primary schools in Kenya. Hierarchical linear modelling (HLM) was used to statistically analyze a data structure where students ... -
Multivariate data reduction: A case study on latent determinants of sexual hiv risk among female commercial sex workers in Kisumu
(School of mathematics, 2012)A comprehensive understanding of the factors that determine the acquisition and transmission of HIV is fundamental for monitoring the epidemic and for providing treatment, care and support services to the infected and ... -
Stochastic modelling of the default rates and recovery rates of a bank loan
(School of mathematics, 2011-10)In this project, the assumption of risk neutral will be applied to estimate jointly the default probabilities and recovery rate of a bank loan. This is achieved by putting into consideration the practical differences ... -
On quasisimilarity, almost similarity and metric equivalence of some operators in hilbert spaces
(School of mathematics, 2012-08)In the first chapter we give a brief introduction on some of the developments of the equivalence relations came about. We also define some of the notations and terminologies that will be used in this work. The second ... -
Conflict modelling and resolution in a dynamic state
(School of mathematics, 2011-07)A conflict is neither good (functional) nor bad (dysfunctional). The distinction depends on the type of conflict, 0 e's attitude and reaction to it thereby making it constructive or destructive. The absence a clear ... -
The Principal Fibre Bundle and Riemannian connection on Riemannian Manifold
(School of mathematics, 2012-06)Differential geometry has long history as a field of mathematics and yet its rigorous foundation in the realm of contemporary mathematics is relatively new. We have written this project, Principal fibre bundles and ... -
A comparison of the moving averag, garth ( I I) and arch volatility models as measure of returns
(School of mathematics, 2012-11)Many empirical studies have shown strong evidence against some of the underlying assumptions of the Black Scholes Model. However this paper has focussed on the constant value that is assumed for the volatility. Empirical ... -
Asset growth effect on stock returns at the Nairobi securities exchange limited
(School of mathematics, 2012-11)Asset growth is form of investment in which the company management adds value to shareholders wealth. This lucrative investment strategy is emerging to be the normative idea for many firms. It is also common knowledge ... -
Nairobi securities exchange:is it a reliable form of investment?
(School of mathematics, 2012)The big question remains" Is Nairobi securities exchange a reliable form of investment? ................ " Following the market confidence, that was generated in the first three year of independence due to stable economic ... -
The link between rates and interest rates
(School of mathematics, 2012-11)In recent years, there has been a special interest in the link between exchange rates and interest rates in both advanced and developing countries. This is understandable, given the important role these variables play ...