Faculty of Science & Technology (FST): Recent submissions
Now showing items 3101-3120 of 4213
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The evaluation of the cognitive effects of rhamnus prinoides; a single-blind randomized crossover trial
(Department of medical physiology university of Nairobi, 2005)Rhamnus prinoidesL 'Heril is an evergreen shrub that grows widely at high altitudes (up to 21OOmabove sea level). The object of this study was to evaluate the cognitive effects of freeze-dried extracts of this plant. The ... -
The determination of the relationship between the pyrethrins and the yellow pigmentation in pyrethrum flowers
(Facult of Science, University of Nairobi, 1994)Pyrethrum (Chrysanthemum cinerariaefolium Vis) is the source ofthe colourlesssixcloselyrelated insecticidalester compounds collectively referred to as "Pyrethrins". The pyrethrum flower isyellow at itscentral part ... -
Social determinants of movements and aggregation among free ranging elephants (loxodonta africana, blumenbach) in amboseli, Kenya
(2002)It is now widely accepted that elephant female groups live in complex social units, family that are led by a matriarchs, who is the oldest female in the group. It is also established that the matriarch, through complex ... -
Nutrient relationships in the shallow water of lake naivasha
(Department of botany Faculty of science University of Nairobi, 1980)Nutrient levels in macrophytes and sediment in the shallow water zone were determined nutrient release from sediment , macrophytes in the shallow water zone and the spatial and temporal distribution of nutrients a in ... -
Learning to use sas to analyze biomedical data using data collected for: urban-rural differences in lung function in Kenyan school children
(School of Mathematics, University of Nairobi, 2003)The overall goal of this thesis was to learn how to analyze biomedical data using SAS, a software system for data analysis. In order to achieve this I joined a SAS training seminar held on July 18-22, 2003, at the Centres ... -
Optimization of diet (ensiled brewer's grain) in pigs ration using a one way Manova
(School of Mathematics, University of Nairobi, 2003)A Strategy for optimising ensiled brewer's grains in ration on post-weaning, growing and finishing pig's diet is considered. The problem that relates to animal diet management varies enormously depending on objective. ... -
Effect of organic binders (corchorus olitorius and abelmoschus esculentus) on the fracture behaviour of kaolin refractories
(2005)Both the okra and "mrenda" binders were separately prepared from vegetables by boiling in water and sieving to get the filtrate. The chemical compositions of the binders were analyzed to determine both the organic and ... -
Mycorrhizal fungi associated with Kenyan terrestrial orchids and their role in orchid seed germination
(College of biological and physical sciences faculty of science department of botany University of Nairobi, 1997)Terrestrial orchids are threatened with extinction due to loss of their habitat. This has created awareness towards their in situ and ex situ conservation. Orchids form mycorrhizal association and their seeds rely on ... -
Design and valuation of Kenya shilling currency options
(School of Mathematics, University of Nairobi, 2009)Foreign exchange rates have become a source of concern for most manufacturers and the business community as a whole. Since Kenya maintains a flexible exchange rate, the value of the kenya shilling is determined by the ... -
Genetic characterization of African chicken using mitochondrial DNA D-loop sequences
(Department of biochemistry school of medicine university of Nairobi, 2006)Knowledge of the genetic diversity is a prerequisite for better utilization of any genetic resource. However, such information is lacking for the indigenous African chicken. Mitochondrial DNA (mtDNA) displacement (D)-loop ... -
Use of logistic regression model to identify the key determinants of academic performance in primary school on the basis of school supply
(School of Mathematics, University of Nairobi, 2008)There is a general consensus that student performance at pnrnarv school has been deteriorating. 111isstudy examines the determinants of academic performance in public primary schools in Kenya from the schools side. While ... -
Smoothened cubic b-spline approximation to the baseline hazard function and its application in the determination of survivor time
(School of Mathematics, University of Nairobi, 2008)This project deals with the estimation and prediction of factors that enhance or lower the survival time of patients living with human immunodeficiency virus [HIV]/acquired immunodeficiency syndrome [AIDS] and their ... -
Modeling of CD4 counts change and the Time from Care to ART uptake in Cell phone Study MCH Clinic
(School of Mathematics, University of Nairobi, 2009)HIV/ AIDS still remains the biggest social, economic and development challenge. UNAIDS (2005), estimates that 2 million of Kenya's 29.5 million people are currently infected with HIV and that l.5 million have succumbed ... -
Bioproductivity in relation to photosynthesis in four grassland ecosystems in Kenya
(1981)Productivity studies were carried out in four grassland ecosystems differing in several environmental constraints using two harvesting programmes; "Continuous growt.h plo t s" CC G P) and "Permanent plots" CPP). The ... -
Review of random effects estimation with application to the growth of Acacia senegal trees
(School of Mathematics, University of Nairobi, 2009)Estimation of random effects (variance components) IS a method often used in population genetics and applied to areas such as animal and plant bleeding and growth. Scientists nowadays feel lost if confronted with huge ... -
The Structure and Dynamics of an Insularized Large Herbivore Community in Lake Nakuru National Park, Kenya
(1994)Lake Nakuru National Park was fenced all round in 1987, making it an ecological island. Its isolation started earlier this century when man began utilizing the catchment for urban development, commercial farming and ... -
Identification and characterisation of elite performing Ankole longhorn cattle for milk production: a case study on multilevel mixed models fitting
(School of Mathematics, University of Nairobi, 2003)A survey of the African indigenous milk cow performance was done among 40 cattle keepers in Mbarara district of Uganda, between January 1997 and December 1997. Recording of AM (morning) milk off takes was undertaken in ... -
HIV and HSV-2 co-infection among fishermen along lake Victoria, Kenya: an application of multiple logistic model
(School of Mathematics, University of Nairobi, 2011)Background HSV-2 infection enhances the transmission and acquisition ofHIV. Identifying risk factors for HIV and HSV -2 co-infection provides the opportunity to develop health promotion programmes based on primary ... -
Using logistic regression to determine the major causes of the rural poverty a case study of Kenya
(School of Mathematics, University of Nairobi, 2009)Poverty is a multi-dimensional phenomenon whose causes are complex and difficult to Measure precisely. The need to articulate causes of poverty in developing countries is Paramount given its effects. This study examines ... -
Comparing group screening designs
(School of Mathematics, University of Nairobi, 1999)The problem of detecting defective members In a large population, consisting of defective and non-defective members has been tackled in various ways One procedure used in this kind of investigation is the group testing ...
