Browsing School of Pure and Applied Sciences by Title
Now showing items 24-43 of 78
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Ecological studies of the Helminth parasites of fish in Lake Naivasha, Kenya
(Karatina University, 1999)In many parts of the world, wild stocks of fish are dwindling especially in Africa where drought, pollution and over-exploitation are some of the causative factors. The continent is not spared other climatic catastrophies ... -
The economics and gender factor in soya bean production and profitability in Kenya: a case of smallholder farms in Western Kenya
(Int. J. Agricultural Resources, Governance and Ecology, 2017)Soya-bean is among world’s major crops, cultivated for its high oil, proteins content and its ability in soil-fertility amendments. The study assessed the determinants, constraints and profitability/gross-margins of soya-bean ... -
Enhancing Organisational Performance in Kenyan Universities Through Effective Tacit Knowledge Management
(2016-04)Knowledge is an important asset and tacit knowledge is located in the minds of people. To succeed, organisations have to make the best use of their knowledge assets. This can be achieved through diverse initiatives such ... -
Evaluation of candidate materials for SCWR turbine and balance of plant shielding
(Progress in Nuclear Energy; ScienceDirect, 2015-03)Since the coolant leaving the SCWR core contains an assortment of radioisotopes, it is necessary to identify appropriate materials for shielding ex-core components. Photon attenuation characteristics, photo-neutron production ... -
Evaluation of In vivo Toxicity of Methanolic Leaf Extract of Vernonia lasiopus (O. Hoffman)
(Journal of Pharmacognosy & Natural Products, 2017)The main objective of this study was to evaluate the in vivo toxicity of methanolic leaf extract of Vernonia lasiopus. To provide information on the safety of V. lasiopus, we evaluated its acute and sub-chronic toxicity ... -
Evaluation of permutite for removal of radiocobalt from nuclear wastewater
(Journal of Radioanal Nucl Chem, 2014-07)A synthetic zeolite, commercially available as permutite was tested for removing radiocobalt from aque- ous solutions by sorption. The sorption process was studied as a function of contact time, pH, ionic strength and solid ... -
Evidence for Potential of Managing Some African Fruit Fly Species (Diptera: Tephritidae) Using the Mango Fruit Fly Host-Marking Pheromone
(JOURNAL OF ECONOMIC ENTOMOLOGY, 2012-12)We investigated conspecific and heterospecific oviposition host discrimination among four economically important fruit fly pests of mango in Africa (Ceratitis capitata, Wiedemann; C. fasciventris, Bezzi; C. rosa, Karsch, ... -
A Framework for Effective Information Security Risk Management: In Kenyan Public Universities
(LAP LAMBERT Academic Publishing, 2020)With the universities increasingly depending on information and communication technology to execute their core operations and functionalities, their exposure to growing cyber threats is inevitable and hence unprecedented ... -
Functional response of Orius albidipennis (Hemiptera: Anthocoridae) to Megalurothrips sjostedti (Thysanoptera: Thripidae)
(Karatina University, 2002-05-02)A locally available anthocorid predator, Orius albidipennis Reuter, was evaluated as a candidate biocontrol agent for Megalurothrips sjostedti Trybom, a major pest of French beans, Phaseolus vulgaris (L), in Kenya. The ... -
Functional response of Orius albidipennis (Hemiptera: Anthocoridae) to Megalurothrips sjostedti (Thysanoptera: Thripidae)
(Karatina University, 2002-05-02)A locally available anthocorid predator, Orius albidipennis Reuter, was evaluated as a candidate biocontrol agent for Megalurothrips sjostedti Trybom, a major pest of French beans, Phaseolus vulgaris (L), in Kenya. The ... -
A Gold Nanoparticle-Based Colorimetric Probe for Detection of Gibberellic Acid Exuded by Ralstonia solanacearum Pathogen in Tomato (Solanum lycopersicum L.)
(International Journal of Horticultural Science and Technology, 2021-01-27)We report a simple colorimetric probe based on gold nanoparticles (AuNPs) for detecting Ralstonia solanacearum. The AuNPs were synthesized through reduction with citrate ion and characterized by ultraviolet-visible ... -
Host plant resistance among tomato accessions to the spider mite Tetranychusevansi in Kenya
(Springer, 2011-04-11)The spider mite Tetranychus evansi has a broad range of host plants. Control of T. evansi has been a big challenge to tomato farmers due to its fast rate of reproduction, development of resistance to chemical pesticides ... -
Hydromagnetic Turbulent Flow Between Two Parallel Infinite Plates
(Science Journal of Applied Mathematics and Statistics, 2017)In this study we shall investigate hydromagnetic turbulent unsteady flow of an incompressible electrically conducting fluid between two parallel infinite plates. The flow variables such as velocity and thermodynamic ... -
The Impact of Information Management Practices on the performance of County Governments in Central Kenya: A Case of Nyeri County
(2016-04)Information management is critical in influencing an organisation’s ability to sustain a long-term competitive advantage. This chapter, resulting from a research study, examines the impact of information management practices ... -
Independent Measurement of θ13 via Neutron Capture on Hydrogen at Daya Bay
(Physical Review, 2014)A new measurement of the θ13 mixing angle has been obtained at the Daya Bay Reactor Neutrino Experiment via the detection of inverse beta decays tagged by neutron capture on hydrogen. The antineutrino events for hydrogen ... -
Influence of work environment on organizational performance in government ministries in Kenya
(strategic Journals, 2015-10-16)Work environment has both positive and negative effects on the psychological and welfare of employees. The Kenyan government acknowledges that over the years there has been poor performance in the public sector, thus ... -
Information Literacy Competencies in Secondary Schools in Kenya
(Stratford, 2021-06-05)The knowledge economy is marked by an increasing need for information skills at all levels including schools, universities, workplace and ordinary life. Therefore, education stakeholders should campaign for the teaching ... -
INFORMATION LITERACY PRACTICES AS A TOOL FOR ACCESSING AND UTILIZING INFORMATION IN SECONDARY SCHOOLS IN KENYA
(2021-04-23)Background of the study: Information literacy practices have been recognized as essential educational goals to judge and evaluate student’s aptitude for critical thinking, decision making and problem-solving. Inculcating ... -
Information System Security Practices and Implementation Issues and Challenges in Public Universities
(2021-11-16)The use of information and communication technology has been providing the competitive edge for universities globally while Kenyan universities are not an exception. This has in turn made the universities ... -
Integration of Mobile Intelligent Tutoring Systems in Teaching Mathematics
(IRJET, 2020-07)Mathematics plays a critical role in driving economies and scientific transformation of any society. However, students' poor performance over the years in secondary schools’ national examinations remains a major concern ...
