Browsing by Issue Date

Use of magnesium alloys in optimizing the weight of automobile: Current trends and opportunities

Mutua, James; J. M., Kihiu; Rading, G. O.; Kimotho, J. K. (2-02-13)

Magnesium alloys are characterized by unique properties, which when fully exploited offer opportunities for structural applications in automobiles. This paper will identify the main features of magnesium alloys and ...

The Effect of Salinity on Growth, Inorganic Ions and Dry Matter Partitioning in Sugar Beet Cultivars

Dadkhah, A. R.; Grrifiths, H. (JKUAT, 2-02-15)

This study investigated intra-specific variation in the growth parameters and dry matter partitioning of sugar beet cultivars at different levels of salinity (0, 50, 150, 250 and 350 mM NaCl + CaCl2 in 5:1 molar ratio) ...

A survey on disease prevalence, ectoparasite infestation and chick mortality in poultry populations of Kenya

Ommeh; Ogada, S; Lichoti, J; Oyier, P A (Livestock Research for Rural Development, 2-06-05)

Backyard poultry production in Africa suffers major setbacks due to factors such as disease and parasite infestation. This has resulted to dwindling quantities of meat and eggs produced and also increased mortality rate ...

Modeling Parametric Vibrations of a Multistage Gear Train as a Tool for Design Optimization

Kuria, James; Kihiu, John (International Journal of Mechanical, Industrial and Aerospace Engineering, 2-09-03)

This work presents a numerical model developed to simulate the dynamics and vibrations of a multistage tractor gearbox. The effect of time varying mesh stiffness, time varying frictional torque on the gear teeth, lateral ...

Influence Of Worklife Balance Practices On Performance Of The Banking Industry In Kenya

Mungania, Agnes Kinanu (COHRED - JKUAT, 2-12-07)

The demand for work life balance solutions by employees and managers is expanding at unprecedented rate and work life balance is one of the challenges that organizations and the banking industry are expected to manage to ...

Epidemiological Models for Tuberculosis Cases Progression

Kipruto, Hillary Kipchumba (JKUAT COHES, 10-08-20)

This research developed epidemiological models for the susceptible infected recovered for tuberculosis epidemic in Kenya using stochastic and deterministic models as well as spatial temporal models. Tuberculosis disease ...

Farmers’ Knowledge on Macadamia Genetic Diversity in Kenya as a Means for in situ Conservation

Gitonga, Lucy N.; Kahangi, Esther M.; Muigai, Anne W.T. ....Et al (20-02-15)

Macadamia, a member of the family Proteaceae, is widely grown in Kenya as an alternative cash crop to tea and coffee, but varieties adapted to different agro-ecological zones are still lacking. Macadamia breeders require ...

The public sector nursing workforce in Kenya: a county-level analysis

Waudo, Agnes; Todd, Jim; Kiriinya, Rose; Ochieng, Jacob; Mbindyo, Patrick; Wakaba, Mabel (Wakaba et al. Human Resources for Health, 20-03-06)

Background: Kenya’s human resources for health shortage is well documented, yet in line with the new constitution, responsibility for health service delivery will be devolved to 47 new county administrations. This ...

Analysis of Heavy Metal Content in Water hyacinth (Eichhornia crassipes) from Lake Victoria, Kenya

Matindi, C. N., Njogu, P. M., Kinyua, R., Nemoto, Y (JKUAT-COETEC, 21-01-22)

A study was conducted to determine the concentration ofheavy metals in E. crassipes along the shoreline of Winam Gulf on Lake Victoria, Kenya. Sampling from the Cereals Board, to Kiboko Bay was conducted ...

Influence of Alignment on Strategy Implementation in HIV/AIDS Non-Governmental Organizations in Kenya

Mutinda, Bernadette (JKUAT-COHRED, 28-10-20)

Strategy in many companies is almost disconnected from execution. The best-formulated strategies may fail to produce superior performance for the firm if they are not successfully implemented. Poor implementation of strategic ...

Selecting an appropriate maintenance policy for Petroleum pipeline system

Unknown author (JKUAT, 30-09-20)

Petroleum pipelines are the most energy-efficient, safe, environmentally friendly, and economic way to transport oil and gas over long distances. Significant portions of many nations’ energy requirements are now transported ...

Role of high performance work practices on organizational performance. A survey of listed state corporations in the Nairobi stock exchange in Kenya.

Sabwami, Peter Butali (Human Resource Management ,JKUAT, 201-03-01)

The purpose of this study was to examine the role of High performance work practices on organizational performance on listed state corporations in Kenya. The study was guided by selective hiring, employee participation and ...

Assessment of benefits and risks of outsourcing environmental, health and safety management services by organizations in Nairobi, Kenya

Thiane, James (IEET- OSHA, JKUAT, 216-07-26)

The research assessed the benefits and risks of outsourcing Environmental, Health and Safety management services in selected organizations in Nairobi. The research used descriptive research design. Sampling technique was ...

The effect of chamfer and size on the stress distributions in a thick-walled cylinder with a cross bore under internal pressure

Kihiu, J.M.; Masu, L.M. (American Society of Mechanical Engineers, 1995-07)

The hoop stress and stress concentration factor distributions in a closed ended thick-walled cylinder with a chamfered cross bore under intemt,al pressure were inaestigated. The finite element method of stress analysis ...

The use of catechins as biochemical markers in diversity studies of tea (Camellia sinensis)

Magoma, G.N.; Wachira, F.N.; Obanda, M.; Imbuga, M.; Agong, S.G. (Kluwer Academic Publishers, 1999-03-29)

The concentrations of catechins in a Kenyan tea germplasm collection of 102 accessions were determined by HPLC. Total green leaf catechin concentrations and the ratio of dihydroxylated to trihydroxylated catechins were used ...

Lathe stability charts via acoustic emission monitoring

Keraita, J. N.; Oyango, H. J.; Misoi, G. K. (AJOL, 2001-12)

Signal parameters characterizing acoustic emission (AE) detected during metal cutting have been theoretically correlated in a simple manner, to the work material properties, cutting conditions, and tool geometry. During ...

Constraints and Sustainable Solutions for Adoption of TC Banana Technology and Marketing

Kahangi, E.M.; Muthee, A.M.; Chege, B.K. (CIDA, 2004)

Proponents of biotechnology assert that this technology offers enormous opportunities to poor farmers and low-income consumers in developing countries. However, this study has revealed that very little can be accomplished ...

Overstraining of flush plain cross-bored cylinders

Kihiu, J.M.; Rading, G.O.; Mutuli, S.M. (SAGE, 2004-02-01)

A three-dimensional nite element method computer program was developed to establish the elastic–plastic, residual and service stress distributions in thick-walled cylinders with ush and non-protruding plain cross bores ...

Rhodococcus opacus strain RW, a resorcinoldegrading bacterium from the gut of Macrotermes michaelseni

Ngugi, David Kamanda; Tsanuo, Muniru Khamis; Boga, Hamadi Iddi (Academic Journals, 2005)

The population of resorcinol degrading bacteria in the intestinal tract of fungi-cultivating termite, Macrotermes michaelseni, was estimated to be 6.8 × 102 cells/ml. A gram-positive bacterium designated RW, capable of ...

Performance of a prototype baited-trap in attracting and infecting the tick Amblyomma variegatum (Acari: Ixodidae) in field experiments

Maranga, R.O.; HASSANALI, A.; KAAYA, G.P.; MUEKE, J.M. (Springer, 2006)

Investigations were commenced to study the potential use of the fungi, Beauveria bassiana, Metarhizium anisopliae, and the attraction-aggregation-attachment pheromone (AAAP) for the control of Ambloyomma variegatum as ...

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