Faculty of Science & Technology (FST): Recent submissions
Now showing items 4121-4140 of 4283
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Induced Optical Rotation in Zinc(II) and Cobalt(II) Complexes Derived from 1,1,1-Tris- (aminomethyl) ethane and cis, cis-1,3,5-Triaminocyclohexane
(Academic Press Elsevier. IntSchool of Physical sciences, 1980)Abstract not available -
Hydrogen-1 Nuclear Magnetic Resonance Evidence for Exchange Reactions in Antimony (III) Cysteine System and Synthesis of Antimony (III) Compounds of 3,3-Dimethyl-cysteine, Toluene-3,4-Dithiolate, Dicyanoethylene-1-2-Dithiolatee and 2,3-Bis(Thiosemicarbaz
(Academic Press Elsevier. IntSchool of Physical sciences, 1975)Abstract not available -
Dipole Moments of Halogenogermanes from Non-Resonant Absorption of Vapours
(Academic Press Elsevier. IntSchool of Physical sciences, 1974)Abstract not available -
The Electric Dipole Moments of Monohalogen Derivatives of German
(Academic Press Elsevier. IntSchool of Physical sciences, 1971)Abstract not available -
Evidence for the pseudo Octahedral Geometry and Ready Racemization of 1,1 1 Tris-(pyridine-2-carboxaldiminomethyl)-ethaneiron(II),
(Academic Press Elsevier. IntSchool of Physical sciences, 1970)Not available -
Environmental assessment of the East African Rift Valley lakes
(School of Physical Sciences, 2003)An assessment of the East African Rift Valley lakes was initiated by the United Nations Environment Programme (UNEP) with funding from Global Environment Facility as part of the Global International Waters Assessment (GIWA). ... -
Some biological aspects and life history strategies of Nile tilapia Oreochromis niloticus (L.) in Lake Victoria, Kenya
(School of Physical Sciences, 2006)The life history characteristics of introduced Nile tilapia (Oreochromis niloticus L.) in Lake Victoria, including, sex ratio, fecundity, reproduction, weight-length relationship and body condition were studied and compared ... -
Environment for Development: An Ecosystems Assessment of Lake Victoria Basin Environmental andSocio-economic Status, Trends and Human Vulnerabilities
(School of Physical Sciences, 1990)Discussions on social and policy dimensions of the Lake Victoria Basin (LVB) centre on the inhabitants of the basin and their livelihood strategies which are defined by environmental stewardship and natural resource ... -
The Effect of overfishing on the life- history strategy of Nile tilapia, Oreochromis niloticus in the Nyanza Gulf of Lake Victoria, Kenya
(School of Physical Sciences, 2007)Studies were conducted on reproductive characteristics of Oreochromis niloticus from 1998 to 2000. The results were combined with published work on growth parameters of O. niloticus from 1985 to 1999 in order to establish ... -
Factors affecting abundance and distribution of submerged and floating macrophytes in Lake Naivasha, Kenya
(School of Physical Sciences, 2007)Macrophytes have been shown to perform important ecological roles in Lake Naivasha. Consequently, various studies regarding the impact of biotic factors on the macrophytes have been advanced but related studies on environmental ... -
Managing Food Security Implications of Food Price Shocks in Africa
(School of Physical Sciences, 2009)Until the food price alarm went off, discussions on how to reduce hunger and malnutrition in Africa took place in an environment of declining food prices with estimates indicating that real food prices declined by about ... -
The lithospheric structure of the Kenya Rift as revealed by wide-angle seismic measurements
(School of Physical Sciences, 1999) -
Unusual, Strained Heterocycles: 3-Alkylidene-2-methyleneoxetanes from Morita-Baylis-Hillman-type Adducts
(© 2003 American Chemical SocietySchool of Physical Sciences, 2003)[reaction: see text] 3-Alkylidene-2-methyleneoxetanes have been prepared by treating alpha-alkylidene-beta-lactones, derived from Morita-Baylis-Hillman-type adducts, with dimethyltitanocene. Preliminary studies of the ... -
Preparation and Properties of 2-Methyleneoxetanes
(© 1999 American Chemical SocietySchool of Physical Sciences, 1999-08)The methylenation of â-lactones 5 with dimethyltitanocene provides a versatile, reliable, and highly chemoselective entry to 2-methyleneoxetanes 7. The conversion proceeds selectively in the presence of alkenes, unprotected ... -
The Preparation and Biological Significance of Phytosphingosines
(© 2002 Bentham Science Publishers LtdSchool of Physical Sciences, 2002)Abstract: Phytosphingosines constitute a group of functionally related, long-chain aliphatic 2-amino-1,3,4-triols of which D-ribo-C18-phytosphingosine ((2S,3S,4R)-2- aminooctadecane-1,3,4-triol) is the most prevalent. ... -
Immunization of cattle with Ra86 impedes Rhipicephalus appendiculatus nymphal-to-adult molting
(© 2012 Elsevier GmbHSchool of biological sciences, 2012)Commercial vaccines based on the tick gut protein Bm86 have been successful in controlling the onehost tick Rhipicephalus (Boophilus) microplus and provide heterologous protection against certain other non-target ixodid ... -
Management of thrips (Thrips tabaci) in bulb onion by use of vegetable intercrops
(© International Academic JournalsSchool of biological sciences, 2012-05)Field experiments were conducted between July 2008 and May 2009 to evaluate the effectiveness of intercropping carrot (Daucus carota), spider plant (Cleome gynandra) and French bean (Phaseolus vulgaris) with onion in the ... -
Rainfall pattern and nutrient content influences on African elephants’ debarking behaviour in Samburu and Buffalo Springs National Reserves, Kenya
(2011 Blackwell Publishing Ltd, Afr. J. EcolSchool of biological sciences, 2011)The magnitude of debarking by elephants was investigated in Samburu and Buffalo Springs National Reserves. About 1617 plants were monitored for debarking intensities for 6 months spanning through dry and wet seasons. Debarking ... -
The use of entomopathogenic fungi, Beauveria bassiana and Metarhizium anisopliae, as bio-pesticides for tick control
(© International Scholars JournalsSchool of biological sciences, 2012-08)This paper reports promising results on the use of entomopathogenic fungi for tick control. The aqueous formulations of the entomopathogenic fungi, Metarhizium anisopliae isolate RS2 and Beauveria bassiana isolate NM2 ... -
Determination of optimum seaweed concentration for mushroom cultivation and the ability of mushrooms to absorb iodine
(©2012 Academic JournalsSchool of biological sciences, 2012-07)The optimum concentration of seaweed (Laminaria schinzii) in grass as substrate for cultivation of the Oyster mushroom Pleurotus sajor caju was observed to be 10%. This concentration supported growth of highest numbers and ...