Faculty of Science & Technology (FST): Recent submissions
Now showing items 3341-3360 of 4283
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Resistance Risks and Management Associated with Bt maize in Kenya; In: Hilbeck A., Andow D.A. eds. Environmental Risk Assessment o
(School of Biological Sciences, 2004) -
Ecological distribution of East African Culicoides Latreille (Dipt., Ceratopogonidae) as shown by light-traps
(Department of Zoology, University of Nairobi, 1971)Sixty-one Culicoides spp. were collected in Kenya, Uganda and Tanzania between January 1966 and December 1967 using light-traps at 35 stations on a NW-SE transect from the Indian Ocean to central Uganda to evaluate the ... -
Dispersal distance of rice (Oryza Sativa L.) pollen at the Tana River delta in the coast province, Kenya
(School of Biological SciencesAfrican Journal of Biotechnology Vol. 8 (10): 2265-2270., 2009)Rice is a staple food in Kenya and its production needs to be increased. Genetically modified (GM) rice may be a solution, but before it can be introduced, potential ecological impacts, such as pollen mediated gene flow ... -
The Difference Of The Variance Functions Between Two Estimated Responses For A Fourth Order Rotatable Design In Two Dimensions
(University of NairobiSchool of Mathematics, University of Nairobi,, 2000)In this paper the difference of the variance functions between two estimated responses for a fourth order design at any two points in the factor space is developed. In particular, the variance function is considered in two ... -
Effects of integrated soil fertility management interventions on the abundance and diversity of soil collembola in Embu and Taita Districts, Kenya
(School of Biological Sciences, 2011)The study aimed at identifying soil fertility management practices that promote the Collembola population, diversity and survival in the soil. Soil samples were randomly collected from on farm plots amended with: 1-Mavuno ... -
Propagation of some endangered indigenous trees from the South Nandi District of Kenya using cheap, non-mist technology
(School of Biological Sciences, 2008)Vegetative propagation studies were carried out at Maseno University, Kenya in the year 2004 and 2005 using stem cuttings on three endangered indigenous tree species namely Asystasia schimperi, carissa edulis and Toddalia ... -
Phytochemical constituents of some medicinal plants used by the Nandis of South Nandi district, Kenya
(School of Biological Sciences, 2011)Alkaloids, saponins, anthraquinones, glycosides, phenolics, terpenoids and flavonoids distribution in ten medicinal plants belonging to different families were assessed and compared. The medicinal plants investigated ... -
Kinetics and thermodynamics of aqueous Cu(II) adsorption on heat regenerated spent bleaching earth
(Department of Chemistry, University of Nairobi,Department of Chemistry, Kimathi University College of TechnologyDepartment of Chemistry, Kenyatta University, 2011)This study investigated the kinetics and thermodynamics of copper(II) removal from aqueous solutions using spent bleaching earth (SBE). The spent bleaching earth, a waste material from edible oil processing industries, ... -
Effciency conditions for multiobjective fractional variational problem
(University of NairobiDepartment of Mathematics and Informatics, Romania., 2000)In this paper we define the notion of normal effciency solution. Necessary conditions for normal effcient solutions of a class of multiobjective fractional variational problem (MFP) with nonlinear equality and inequality ... -
The Socio-economic Impact of Important Camel Diseases as Perceived by a Pastoralist Community in Kenya
(Department of Public Health, Pharmacology and Toxicology, 2006)This paper presents the results of a study conducted in a pastoral community in Kenya using participatory appraisal approaches. The objective of the study was to assess the socio-economic impact of camel trypanosomosis ... -
Effect of Temperature and Season on Food-transmission Activity of Three Ant Species as Shown by Radioactive Tracers
(Department of Zoology, University of Nairobi,, 1971)Investigations into the effect of temperature and seasonal changes on the food-transmission activities of three ant species (Formica polyctena, Lasius niger and Myrmica ruginodis) using radioactive P32were carried out at ... -
Participatroy Approaches in the Control of Camel Trypanosomosis in Lapur Division of Turkana District, Kenya
(Department of Public Health, Pharmacology and Toxicology, 2006)This study was conducted to evaluate the control of trypanosomosis in camels in Turkana district of Kenya using participatory approaches. Lapur division of the district was conveniently selected as the study area considering ... -
Evaluation of pine woolly aphid damage to Pinus patula and its effect on yield in Kenya
(Department of Entomology, University of Nairobi, Kenya, 1978)It is reported in this further paper on the damage caused by Pineus pini (Gmel.) to Pinus patula in Kenya [see preceding abstract] that reduction in the elongation of the needles and stems occurs only after crown damage ... -
DifiFerentiation of Vector Species of Phlebotominae (Diptera: Psychodidae) in Kenya by Chorionic Sculpturing of Their Eggs
(Entomological Society of AmericaDepartment of Entomology, University of Nairobi, Kenya, 1992)Chorionic sculpturing on eggs of Phlebotomus pedifer Lewis, Mutinga, and Ashford; the closely related Phlebotomus aculeatus Lewis, Minter, and Ashford (=P. elegonensis Ngoka, Madel, and Mutinga); and Phlebotomus martini ... -
Solution Of The System Of Differential Equations Related To Marangoni Convections In One ∞uid Layer
(University of NairobiDepartment of Mathematics, Makkah, Saudi Arabia, 2000)A linear stability analysis applied to a system consisting of a horizontal layers which contains conducting fluid, affected by uniform vertical magnetic field and solute, the fluid with uniform heating from below. The ... -
Community perceptions of important camel diseases in Lapur Division of Turkana District, Kenya
(Department of Public Health, Pharmacology and Toxicology, 2005)This paper presents the results of a study conducted in Lapur Division of Turkana District, Kenya, to estimate the incidence and mortality of camel trypanosomosis using participatory methods. Four livestock camps ('adakars') ... -
Population dynamics of pine woolly aphid, Pineus pini (Gmelin) (Hemiptera: Adelgidae), in Kenya
(Kenya Agriculture Research Institute,Department of Zoology, University of Nairobi, Nairobi, KenyaCentre for Overseas Pest Research, College House, Wrights Lane, London, UK, 1980)The population dynamics of Pineus pini (Gmel.) was examined in two locations in the Kenya Highlands where the mean annual precipitation ranges from 620 to 1400 mm. Variations in population densities were related to rainfall. ... -
Larval habitats of common Culicoides Latreille (Diptera, Ceratopogonidae) in Kenya
(Department of Entomology, University of Nairobi, Kenya, 1976)The larval habitats of Culicoides species were determined by examining a total of 1 476 samples collected from different ecological environments in various parts of Kenya. Immature stages were collected from suspected ... -
Vector-related case-control study of severe malaria in Kilifi District, Kenya
(Department of Zoology, University of Nairobi,Kenya Medical Research Institute (KEMRI), Kilifi Research Unit, Kilifi, KenyaDepartment of Tropical Medicine, Tulane University, New Orleans, LouisianaDivision of Vector Borne Diseases, Ministry of Health, Nairobi, Kenya, 1999)A case-control study examined vector-related and environmental parameters associated with severe malaria in Kilifi District along the coast of Kenya. Over an 11-month period, 119 children identified with severe malaria ...