Faculty of Science & Technology (FST): Recent submissions
Now showing items 961-980 of 4283
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Effect of Nairobi industrial area's effluents on levels of Ngong River pollution
(2009)The study focused on the levels of pollution in industrial effluents discharged into the section of Ngong River flowing adjacent to Nairobi's industrial area and how this pollution affected the river pollution levels. -
A Radio-telemetry Technique For Monitoring Temperatures From Unrestrained Ungulates
(University of Nairobi, 1970-10)Miniature radio transmitters were used to monitor deep muscle, subcutaneous, skin surface, and hair stlrface temperatures in three species of unrestrained African ungulates. Deep muscle and suboutaneous transmitters were ... -
Mathematical Modelling Of Hiv Infection
(University of Nairobi, 2013-12)We formulate a deterministic mathematical model for the HIV/AIDS. -
The use of microcomputers for financial modeling of a public utility system in a developing country
(University of Nairobi,, 1987)A generalized financial model for analyzing the operations of an electric utility in a developing country has been developed. It demonstrates the application of microcomputers for management control, operational analysis, ... -
The Dynamics Of The Turbidity Maximum Zone In A Tropical Sabaki Estuary In Kenya.
(University of Nairobi, 2014-05)The spatial temporal variability and the behavio r of the Estuarine Turbidity Maximum (ETM) zone in the shallow, ephemeral, well - flushed Sabaki estuary located in the northern region of the Kenya coast, were studied ... -
Uptake, Accumulation, And Loss Of Nutrients By Papyrus In Tropical Swamps
(University of Nairobi, 1977-03)Abstract. Analysis of papyrus (Cyperus papyrus L.) indicated that N, P, and K are generally found in higher concentrations in juvenile stems while Ca, Mg, Fe, and Mn are found in higher concentrations in mature stems. ... -
Bioethanol Production from Waste Crops and Crop Residues
(University of Nairobi, 2014-07)Abstract: Rice straws and Husks were converted to reducing sugars by hydrolysis using concentrated sulphuric acid followed by fermentation using bakers yeast. After fractional distillation and purification, 52 ml (87 %) ... -
Ontogeny Of Water Snake Foraging Ecology
(University of Nairobi,, 1982)Using an index of relative importance we analyzed the stomach contents of over 300 water snakes (Nerodia spp.). Ontogenetic changes in prey consumption are most striking in Nerodia erythrogaster (number with food in gut ... -
Management Of Healthcare Waste In National Teaching And Referral Hospitals In Kenya
(2014-08)Healthcare waste management in health facilities should include quantification of all categories to support minimisation strategies. The hazardous healthcare waste categories under study, infectious, pathological, sharps ... -
Antiparasitic And Antimicrobial Constituents From Terminalia Brownii
(University of Nairobi, 2013)Terminalia brownii is an African medicinal plant used to treat parasitic and microbial infections. A new oleanane-type triterenoid was isolated from its stem bark extract by bioassay-guided fractionation using the method ... -
Antimicrobial Activity Of Hymenodictyon Parvifolium
(University of Nairobi, 2002-10)Methanol extract of the stem bark of Hymenodictyon parvifolium was tested for its antifungal and antibacterial activity. The extract was found to have inhibitory effect against all the pathogens tested. -
Antimicrobial Activity Of Newtonia Hildebrandtii
(University of Nairobi, 2001)Successive petroleum ether, dichloromethane and methanol extracts of Newtonia hildebrandtii stem bark were tested in vitro for their antifungal and antibacterial activity. The methanol extract was found to be the most ... -
Inhibition By Tryptophan Of Nucleolar Rna Synthesis In Salivary Gland Nuclei Of Chironomus Thummi
(University of Nairobi, 1979)Tryptophan, but not glutamine and lysine, inhibits the incorporation of3H-uridine into nucleoli of explanted salivary glands by about 60%. In isolated nuclei also, the nucleolar incorporation of3H-uridine triphosphate is ... -
Cytogenetic effects of the food preservatives — Sodium benzoate and sodium sulphite on Vicia faba root meristems
(1982-11)Sodium sulphite and sodium benzoate induce in Vicia faba root meristems: (1) dose-dependent reduction in mitotic figures, (2) intact and severed anaphase bridges, (3) premature chromosome condensation heading to pycnofic ... -
Size-dependent Distribution And Feeding Habits Of Terebralia Palustris In Mangrove Habitats Of Gazi Bay, Kenya
(University of Nairobi, 2008-03)The gastropod Terebralia palustris often dominates the surface of muddy to sandy substrates of intertidal mudflats and mangrove forests, where they clearly destabilize the sediment. In the present study, it was investigated ... -
Taxon-related Diversity Patterns From The Continental Shelf To The Slope: A Case Study On Nematodes From The Western Indian Ocean
(University of Nairobi, 2011-12)A study was carried out across the continental shelf and slope in the Western Indian Ocean along the Kenyan margin to unravel depth-related species diversity patterns portrayed by different nematode families. Sediment ... -
Impact Of Coleopteran-active Bt Corn On Non-target Nematode Communities In Soil And Decomposing Corn Roots
(University of Nairobi, 2014-09)Genetically engineered corn expressing crystalline proteins for insect control and encoded by genes derived from soil bacterium Bacillus thuringiensis (Bt) are widely adopted in the United States. Among the seven different ... -
Volcanic Associations In The Gregory Rift Valley, East Africa
(University of Nairobi, 1969-10)THE Tertiary to Recent volcanic rocks associated with the Gregory Rift Valley cover large areas in Kenya and northern Tanzania, and the Miocene volcanic and intrusive centres of eastern Uganda belong to the same sodic ... -
Resurfacing Saturn's Satellites: Models Of Partial Differentiation And Expansion
(University of Nairobi, 1985-12)The faulting seen on the surfaces of Saturn's icy moons may have been caused either by external events, such as large impacts, or internal stresses caused by the expansion of the moons as long-lived radionuclides produced ... -
Environmental aspects of settlement site decisions among pastoral Maasai
(University of Nairobi, 1979)Maasai settlements in Amboseli are distributed in a pattern which reflects various physical and biological characteristics of the landscape. The settlements avoid hillslope gradients exceeding 0.08, and the lower sections ...