Browsing School of Pure and Applied Sciences by Title
Now showing items 24-43 of 88
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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 ICT Integration in Performing Administrative Functions In Technical Training Institutions In Nyeri and Nairobi Counties, Kenya
(2023-08): In the contemporary society, Information and Communication Technology (ICT) has been identified as the most important enabler and driver of processes in institutions and organizations. The purpose of this study was ... -
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, ... -
Faculty and students’ perspectives of online learning during COVID-19 crisis: Constraints and opportunities for Kenyan universities.
(2023-04-15)At the onset of COVID-19 pandemic, all higher education institutions had to abruptly migrate from face-to-face mode of learning to virtual learning. Students and faculty members were thrown into the process of acquainting ... -
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 ... -
Gender Differences in Secondary School Teacher Counsellors Perception of Ethical Standards in Counselling in Kiambu County, Kenya
(2023-07-31)Ethical standards are at the core of counselling practice and are aimed at ensuring the welfare of the client and the counsellor are safeguarded. Counselling, like any other profession is governed by ethical standards ... -
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 ... -
Green synthesis of copper oxide nanoparticles and its efficiency in degradation of rifampicin antibiotic.
(Springer, 2023-08-28)In recent ages, green nanotechnology has gained attraction in the synthesis of metallic nanoparticles due to their cost-effectiveness, simple preparation steps, and environmentally-friendly. In the present study, copper ... -
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 ... -
The Impact Of Policy Changes In The Education Sector On The Development Of The Book Publishing Industry In Kenya
(Unisa Press, 2009)This article explores the impact of policy changes in the education sector on the de-velopment of the book publishing sector in Kenya. The article begins by detailing the current status of the book publishing sector in ...