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Now showing items 61-80 of 5630
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Defects in resting metabolic rates and mitochondrial respiration in Kwashiorkor and dietary obese rats
(Springer-Verlag, 1991-07-01)Resting metabolic rates have been measured and compared with hepatic mitochondrial respiration in Kwashiorkor and diet-induced obese weaned rats. In Kwashiorkor, resting metabolic rate was 21% lower than the value of ... -
Maternal levels of alpha-fetoprotein in African women.
(East African medical journal, 1991-08)In a prospective and cross-sectional study, 147 serum samples from normal antenatal indigenous Kenyan women were analysed for alpha-fetoprotein (AFP) concentrations between 8 and 28 weeks gestation. There was progressive ... -
Errata. Pyrrolizidine Alkaloids from Senecio hadiensis
(American Chemical Society, 1991-09)17-Oxosparteine (1 mg), -isolupanine (3 mg), and N-methylcytisine (2 mg) were iden- tified by ms and tic comparisons with authentic samples (6,8). Catalytic reduction (2 mg) of 5,6-dehydrolu- panine (4 mg), oil, ms (9) ... -
The rate of outcrossing in grain amaranths
(Blackwell Publishing Ltd, 1991-09-01)Studies of intra specific and inter specific out crossing rates were carried out for grain amaranths using two populations of A. hypochondriacus (populations 1008 and 1024) and two populations of A. cruentus (populations ... -
Changes in the concentrations of testosterone, luteinising hormone and progesterone associated with administration of embelin
(Elsevier, 1991-10-01)The mode of action of embelin, a naturally occurring plant benzoquinone with male fertility regulating potential, was investigated. Sexually mature white New Zealand male rabbits were injected intra-muscularly with ... -
Tea Aroma
(Chapman and Hall, London, 1992)Tea is manufactured by a variety of processes producing a range of beverages from green, non-fermented tea through to black, fermented tea. The consumer acceptability of these beverages is largely dependent on the flavor ... -
A grounded theory investigation of journalL writing
(EDMONTON, ALBERTA, 1992)Although the practice of journal writing has existed for centuries, it is a little understood and highly understudied G area in the psychological literature. Attempts have been made to describe the benefits and drawbacks ... -
The impact of vocational rehabilitation training On economic performance of Females with disabilities in Nyanza province Kenya
(Maseno university College, 1992)In order to better conceptualise what rehabilitation is about, one should have a. good knowledge of what both disability and rehabilitation are. Rehabilitation as a process can only be discussed or considered when ... -
Determination of Agricultural Production Constraints and Optimal Enterprise. Mix in an Irrigation Scheme: The Case of HOLA Irrigation Scheme in Kenya
(University of Nairobi, 1992)This study arose out of the need to address the problem of poor performance of Kenya's large scale irrigation schemes. The poor performance has been evidenced by the negative cash flows that these schemes have consistently ... -
Comparison of gas chromatographic volatile profiling methods for assessing the flavour quality of kenyan black teas
(John Wiley & Sons, Ltd, 1992-01-01)A comparison is made of the various ratios used to quantify black tea aroma such as the ratio of the sum of gas chromatographic peak areas of compounds eluting before linalool (3,7-dimethyl-1,6-0ctadien-3-01) to those ... -
Ruwenine and ruzorine: Pyrrolizidine alkaloids of Senecio ruwenzoriensis
(Pergamon, 1992-09-01)A reinvestigation of Kenyan Senecio ruwenzoriensis reported to contain two alkaloids of unknown structures, ruwenine and ruzorine, resulted in the isolation of the pyrrolizidine alkaloid isoline, accompanied by what appeared ... -
External quality control performance in clinical chemistry: experience in Kenya.
(East African medical journal, 1993)Analysis of eleven biochemical laboratory tests was done during an International External Quality Assessment Scheme (IEQAS) in which the clinical chemistry laboratory at Kenyatta National Hospital participated. Technicon ... -
A study of the predictive validity of the Kenya certificate of primary education examination: application of hierarchical linear models
(University of British Columbia, 1993)Description Public examinations have been used in Kenya for decades as selection instruments for further education and training. The Kenya Certificate of Primary Education examination (KCPE) is the first of such selection ... -
The role of non-motorised mode of transportation: a case study of hand-carts operation in Kisumu Municipality, Kenya.
(University of Nairobi, Kenya, 1993)This study was carried out in Kisumu Municipality(KM), Kenya and its main objective was to find out the role of hand-carts as an urban transport mode. In order to understand the role of hand-carts, objectives were set for ... -
Towards a better production of sugar cane by outgrower farmers' of Webuye division, Bungoma district
(University Of Nairobi, 1993)Agriculture is the mainstay of Kenya's economy. The general agricultural policy has been guided by an overall strategy of meeting the objective of trying to maintain a position of broad self-sufficiency in foodstuffs and ... -
The role of non-motorised mode of transportation: a case study of hand-carts operation in Kisumu Municipality, Kenya.
(University of Nairobi, Kenya, 1993)This study was carried out in Kisumu Municipality(KM), Kenya and its main objective was to find out the role of hand-carts as an urban transport mode. In order to understand the role of hand-carts, objectives were set for ... -
Leader Effectiveness: Validation of the Vroom-Yetton Normative Model of Leadership
(University of Alberta, 1993)“What effect does a leader's decision-making behavior have on organizational effectiveness?” Leaders make decisions that have impact on the entire organization, its performance and its results. Consequently, the construct ... -
The pyrrolizidine alkaloids of Senecio syringifolius and S. hadiensis from Kenya
(Pergamon, 1993-01-01)Angularine, rosmarinine and 12-O-acetylrosmarine, together with their N-oxides were isolated from epigeal parts of S. syringifolius, while -
Effect of land preparation and weeding on maize (Zea mays) grain yields in the coastal region of Kenya
(Taylor & Francis Group, 1993-01-01)A field study was conducted at the Regional Research Centre, Mtwapa and at the Msabaha subcentre in Kilifi District of Coast Province, Kenya between 1986 and 1989. The objective of this study was to investigate the effects ...