Faculty of Science & Technology (FST): Recent submissions
Now showing items 4161-4180 of 4283
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Diversity of nematode destroying fungi in Taita Taveta, Kenya
(ª 2008 Elsevier Ltd and The British Mycological Societyschool of biological sciences, 2009)The diversity of nematode destroying fungi in Taita Taveta, Wundanyi division, Coast Province, Kenya, was investigated between May 2006 and December 2007 aiming at harnessing their potential in the biological control of ... -
Use of nematode destroying fungi as indicators of land disturbance in Taita Taveta, Kenya
(school of biological sciences, 2009)This study was undertaken to determine whether nematode destroying fungi can be used as indicators of soil disturbances. Soil samples were collected from an indigenous forest, maize/bean, napier grass, shrub and vegetable ... -
Effect of soil fertility management practices on nematode destroying fungi in Taita, Kenya
(school of biological sciences, 2011)The study aimed at identifying soil fertility practices that promoted nematode destroying fungi in the soil and the treatments comprised of Mavuno fertilizer, Triple super- phosphate and calcium ammonium nitrate ... -
Interactions of Fusarium species during prepenetration development
(ª 2012 The British Mycological Society. Published by Elsevier Ltdschool of biological sciences, 2012-05)Interspecies interactions between Fusarium avenaceum, Fusarium culmorum, Fusarium graminearum, Fusarium poae, and Fusarium tricinctum were studied during early growth stages of isolates on model surfaces. Additionally, ... -
Chemical speciation and bioavailability index of cadmium for selected tropical soils in Kenya
(Department of Chemestry, School of Physical Sciences, University of Nairobi, 1998-12-10)Determination of various chemical forms of a metal in soils is important to evaluate its mobility and bioavailability. Little is known on the chemistry of Cd species of variable charge soils in the tropics which account ... -
Entomopathogenic nematodes as a tool for the management of sweetpotato weevil cylas puncticollis boheman in Kenya
(Entomology Department, Kenya Agricultural Research Institute, NARL-KabeteUniversity of Nairobi, 2009)Entomopathogenic nematodes Heterorhabditis indica, Steinernema karii and Steinernema yirgalemense from Kenya were tested against the sweet potato weevil Cylas puncticollis Boheman in laboratory bioassays and in the field ... -
Influence of land use and soil management practices on the occurence of nematode destroying fungi in Taita Taveta,Kenya
(school of biological sciences, 2009)Due to the increased concerns about the effect of agrochemicals on soil health and soil biodiversity, use of biological methods has become most acceptable alternative methods for farmers to control soil pathogens during ... -
Actuarial modelling of post-retirement private medical insurance case study:Armed forces medical insurance scheme
(School of mathematics, 2011-10)In health care insurance the main question is 'how much? It may require information that is relatively simple and straightforward like the financing provisions of existing schemes. At the other end of the spectrum, it ... -
A structured e-content development framework using a stratified objectives-driven methodology
(School of Computing and Informatics, 2005)The paper discusses a stratified objectives-driven e-content structuring and deployment framework which is an iterative and intuitive approach to content structuring and sequencing. The model has been developed from ... -
Swahili text-to-speech system
(School of Computing and Informatics, 2005)Text-to-speech (TTS) applications have been applied in diverse areas all over the world. Considering the fact that Swahili pronunciation is not complicated, and the language spoken by about 45 – 100 million people as ... -
Modeling of sti prevalence among hiv-infected adults in hiv care programs in Kenya using logistic regression
(School of mathematics, 2011-07)Objectives and methods: This paper investigates risk factors associated with prevalence of sexually transmitted infections. Logistics regression is employed to determine the risk factors. Furthermore, the study validates ... -
Sampling Weights Truncation in Household Sample Surveys Using Mean Square Error Procedure
(School of mathematics, 2011-08)The sampling weights truncation aims at adjusting the weights applied to survey data to reduce variances. In most household-based surveys, the disproportional sample selection in stratified sampling using Probability ... -
Socio-economic determinants of low birth weight in Kenya: Logistic regression analysis
(School of mathematics, 2010-09)Babies born with Low-birth weight are at increased risk for serious health problems which are accompanied by disabilities and even death. Hence this study aims to determine socioeconomic factors that lead to low birth ... -
E-readiness status and academic performance in technical training institutions in Kenya: case of Diploma in Information Technology
(University of NairobiSchool of Computing and Informatics, 2010)Many technical training institutions are currently investing in information and communication technology so that they can improve ICT infrastructure and indirectly, the e-readiness status. By attaining high levels of ... -
Abundance anddiversity of bacillus subtilis andplant parasitic nematodes affecting common bean (phaseolus vulgaris) under different soil fertility management systems
(University of NairobiSchool of Biological Sciences, 2010)Plant parasitic nematodes cause an estimated US$100 billion in damage to agricultural crops worldwide and the most studied natural enemies of nematodes are bacteria and fungi. This study sought to evaluate the influence ... -
Distribution, diversity and population status of herpetofauna in Lower Tana river forests, Kenya
(University of NairobiSchool of Biological Sciences, 2009)A study of the herpetofauna of lower Tana River forests was conducted between September 2007 and May 2008, to determine the community structure and threats of the protected and unprotected forest patches, with a view to ... -
An Acousto-Ultrasonic Study of Model Defects in Model Ceramics and Ceramic Composites
(School of Physical Sciences, 1991) -
A Case for Ultrasonic Evaluation of Materials in Kenya
(School of Physical Sciences, 1994) -
An Acousto-Ultrasonic Study of the Effect of Porosity of a Sintered Glass System
(School of Physical Sciences, 1994) -
Effective thermal conductivity of loose particulate systems
(School of Physical Sciences, 1996)The effective thermal conductivity for several loose particulate insulation systems has been measured in the temperature range from 273 K–900 K and the results compared to those predicted from three different models. The ...