Faculty of Science & Technology (FST): Recent submissions
Now showing items 3461-3480 of 4213
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Determination of polycyclic aromatic hydrocarbons in roast meat and smoked fish by computer assisted high performance liquid chromatography(HPLC)
(Department of Chemistry, University of Nairobi, 1991-10)Many methods of analysis have been employed in the determination Hydrocarbons of levels of Polycyclic Aromatic (PAHs) , present in various environmental samples. each with its own distinct advantages and limitations. ... -
Hydrophilic flavonoid components of leaves and flower heads of polygonum senegalense and the larvicidal and antifeedant activities of its hydrophobic principles
(University of NairobiFaculty of Science. University of Nairobi, 1991)Polygonum senegalense is a highland weed in eastern region of the African continent. Two forms are known to exist: forma senegalense and forma albomentosum. Both these forms are found in Kenya and are known to contain ... -
Investigations into phlebotomine Sand flies in Nairobi area
(University of NairobiFaculty of Science, 1990)studies were commenced to collect and identify the phlebotomine sandflies found in Nairobi. The studies were also aimed at determining their numbers as well as assessing the effects of seasonal changes on the ... -
Fabrication of a semiconductor insulator photovoltaic converter semiconductor
(University of NairobiFaculty of Science. University of Nairobi, 1990)Semiconductor Insulator Semiconductor (SIS) Photovoltaic Converters have been fabricated successfully by the spray pyrolysis and the Vacuum deposition techniques. The two techniques and fabrication processes have been ... -
Effects of recombinant human growth hormone in juvenile Nile crocodiles
(Department of Animal Physiology, University of Nairobi, 1991)The effects of exogenous recombinant human growth hormone (rhGH) were studied on Nile crocodiles 4 weeks after hatching (group A) and at 9 months of age (group B). They were kept under controlled laboratory conditions. During ... -
A local carrier for rhizobium inoculants in Kenya
(University of NairobiDepartment of Botany, University of Nairobi, 1991)This study was carried out to establish whether some locally available materials in Kenya can be used as substitutes for peat in legume inoculant production during the period 1977 to 1980. The materials investigated ... -
Some comparative effects of plant extracts from meliaceae family on the feeding activity, development and reproduction in locusta stomoxys, glossina, and aedes
(University of NairobiFaculty of Science. University of Nairobi, 1982)The extracts from four locally obtained plant, species of the family Meliaceae have been shown to have significant antifeedant activities against Locusta, Stomoxys, Glossina, and Aedes species. Melia azedarach, M. ... -
A Framework for development of an information security auditing capability
(School of Computing and Informatics, 2004)The aim of this study was to determine how Kenyan organizations have embraced Information System (IS) security audit and development of a framework which the organizations can use to develop or enhance their IS security ... -
Studies of the ecology of the blackbass. Micropterus salmoides (lacepede) (pisces:centrarchidae) in Lake Naivasha, Kenya.
(University of NairobiFaculty of Science. University of Nairobi, 1988)The relative abundance, distribution, feeding ecology and the reproductive biology of the blackbass, Micropterus salmoides (Lacepede) in Lake Naivasha are described. Blackbass population is low as compared to that of ... -
Inhibitory effects of solanum nigrum L.extracts on four phytopathogenic species of colletotrichum corda.
(University of NairobiDepartment of Botany, University of Nairobi, 1992)In this study Solanum nigrum extracts were evaluated for their potential as a source of a biologically based fungicide. The extracts were tested in vitro against four phytopathogenic species of Colletotrichum Cda. The ... -
The effects of deltamethrin 'pour on' control technique on glossina pallidipes austen population structure and incidence of trypanosomiasis in cattle
(University of NairobiDepartment of Zoology, 1992)A field trial was carried out in Galana ranch to assess the use of deltamethrin 'pour on' technique for the control of Glossina pallidipes. In Dakabuku (experimental area) 1167 Orma Boran steers were kept and treated ... -
Host-parasite relationships between meloicogyne spp , and solanum tuberosum l.
(University of NairobiSchool of Biological and Physical sciences, University of Nairobi, 1978)In field and greenhouse experiments , 6 potato cultivars, namely, Annet, B 53; Kenya Baraka, Desiree, Roslin Tana Gild Roslin Gucha were tested for resistance to Meloidogyne javanica and M.incognita. The results demonstrated ... -
Addition of diazomethane and sulfurylides to the oxo group in aliphatic derivatives of ketoses
(University of NairobiFaculty of Science. University of Nairobi, 1980) -
Software measurement metrics and their application in the software acquisition improvement process: a case study of the Kenyan software acquisition
(School of Computing and Informatics, 2012)This study is based on Software Metrics and the Software Process Improvement (SPI), and the role that metrics play inprocess improvement. The software improvement process can be viewed from the perspective of either ... -
Growth stage related effects of different irrigation If Levels on stomatal conductance, leaf transpiration Rate, leaf- water potential and the differential Between leaf and air temparature in tepary bean (phAseolus acutifolius gray), pinto and mwezi moja Beans (phaseolus vulgaris L.)
(University of NairobiFaculty of Science, 1983) -
Chemical analysis of rapanea melanphloes (myrsinaceae) alkylbenzoquinones and some of their biological activities
(Department of Science, 1991) -
Design and development of an automated absorption calorimeter system
(University of NairobiFaculty of Science, 1989)A microcomputer controlled absorption calorimeter has been designed and constructed for data acquisition in solar energy conversion measurements and tested by taking measurements on surfaces of specimens of selected ... -
Studies on the pig parasite trypanosoma (nannomonas) simiae
(University of NairobiDepartment of Zoology and Botany, 1987)The pig parasite Trypanosoma (Nannomonas)simiae is morphologically indistinguishable from Trypanosoma (Nannomonas) congolense: The main distinction between the two species 'is that in the domestic pig the former causes ... -
Studies on migration, development and the fate of schistosoma mansoni in the Laboratory rat
(University of NairobiFaculty of Science, 1980)Previous studies have shown that the rat is not a permissive host of Schistosoma mansoni. More cercariae die in the skin of this host during penetration than in the permissive laboratory hosts such as mice and hamsters; ... -
Practical approaches in quantitative x-ray Fluorescence analysis
(University of NairobiFaculty of Science, 1984)An evaluation of the accuracy of X-ray fluorescence analysis for heavy. elements (Z > 48) using L-series fluorescence X-rays has been performed. A method for fast elemental analysis of a large number of samples by ...
