Browsing Gold Collection by Title
Now showing items 241-260 of 735
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Effects of Sand-Harvesting on River Water Quality and Riparian Soil Physico-Chemical Properties
(Open Journal of Ecology, 2022-08-08)The widespread distribution of river sand-harvesting activities continues to degrade river water quality and the surrounding riverine environments. This study determined practical effects of sand-harvesting on two rivers ... -
Effects of TiO2 Blocking Layer on Photovoltaic Characteristics of TiO2/Nb2O5 Dye Sensitized Solar Cells.
(Cambridge University Press:, 2020-01-20)This study reports on the effect of introducing TiO2 compact layer on the photovoltaic characteristics of TiO2/Nb2O5 composite dye sensitized solar cell. The compact layer was deposited by spray pyrolysis technique. It was ... -
Effects of Urea and Di-Ammonium Phosphate Application on Acidification of three Burundi representative Soils
(International Journal of Advances in Scientific Research and Engineering, 2019-08-06)An 8-week incubation study was conducted under controlled laboratory conditions to evaluate the potential acidifying effect of urea and Di-Ammonium Phosphate (DAP) on three Burundi representative soils, namely two acidic ... -
Effects of Virtual Laboratory-Based Instruction on the Frequency of Use of Experiment as a Pedagogical Approach in Teaching and Learning of Physics in Secondary Schools in Keny
(AFRICAN JOURNAL OF EMPIRICAL RESEARCH, 2023-11-15)Information and communications technology (ICT) incorporation in teaching physics in Kenyan secondary schools cannot be overlooked, given the key roles and benefits that ICT offers in the process of teaching and learning. ... -
Effects of Water Hyacinth (Eichhornia crassipes [mart.] solms) Compost on Growth and Yield Parameters of Maize (Zea mays
(Current Journal of Applied Science and Technology, 2013-11-18)Aims: To evaluate the effects of water hyacinth compost prepared with various cultures on growth and yield parameters of maize. Study Design: Randomized Complete Block Design. Place and Duration of Study: Field experiments ... -
Efficacy of Learning Materials on Learners’ Readiness for Primary Education in Kenya
(AFRICAN JOURNAL OF EMPIRICAL RESEARCH, 2023-11-23)he early years of a child are of utmost importance in terms of development since they provide substantial prospects that influence subsequent achievements in academia. The field of early childhood education (ECE) has ... -
Efficiency and Organizational Arrangements in the Utilization of Resources at Primary Health Care (PHC) in Machakos County, Kenya
(Economics, Medicine, 2017-05-26)Health care is costly and there is need for rational use of health care resources for the world to achieve universal health coverage (UHC). The preventive Primary Health Care (PHC) service is cheaper than the Secondary ... -
Efficiency of Domain Mean Estimators in the Presence of Non-response Using Two-Stage Sampling with Non-linear and Linear Cost Function.
(Annals of Data Science, 2020-08-31)This study compares the efficiency of the estimators of the domain population mean computed using double sampling for ratio estimation design with linear, non-linear or logarithmic cost functions. In the estimation of the ... -
Electrical and Structural Properties of Aluminium Doped tin Oxide Codoped with Sulphur for Solar Energy
(Energy Procedia, 2016-08)Thin films of Tin Oxide co-doped with 28 atomic percentages of Aluminium (i.e. 28 at% Al) and varied concentration of Sulphur were prepared on 1mm thick, 1cm by 1cm glass substrates at 470 0C by Spray Pyrolysis technique. ... -
The Emergence and Spread of Antimicrobial Resistance in Enterococcus and Its Implications for One-health Approaches in Africa
(Intechopen, 2024-03-27)Enterococcus bacteria, usually found in the gastrointestinal tracts of animals and humans, are used as an indicator of possible environmental contamination with enteropathogenic microorganisms. This group of bacteria is ... -
Emerging Contaminants: Pollution Control and Abatement
(IGI Global, 2020-09)his chapter discusses water pollution control and abatement strategies in relation to emerging contaminants. The pollution prevention measures described in the chapter can broadly be categorized into four main areas that ... -
EMERGING TRENDS FOR ENERGY CONSUMPTION WITHIN ICT DEVICES
(International Journal of Engineering Applied Sciences and Technology, 2020-07)Abstract - The information and communication technology (ICT) is closely related to the future of global energy consumption, not only because the ICT equipment itself increasingly consumes energy, but also because it is a ... -
EMPLOYEE QUALIFICATIONS AND COMPETENCIES VERSUS DEPLOYMENT: EXISTING GAPS IN THE CONTEXT OF MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY (MMUST), KENYA
(International Journal of Development and Management Review, 2023-09-01)Staff competency is a key factor in ensuring an organization performs and delivers on her mandates. Both professional and academic are important indicators of competency and it evolves over time in line with presenting ... -
Endocrine disrupting chemicals in wastewater treatment plants in Kenya, East Africa: Concentrations, removal efficiency, mass loading rates and ecological impacts
(Environmental Research, 2023-09-20)This study investigated the levels, mass loadings, removal efficiency, and associated ecotoxicological risks of selected endocrine disrupting chemicals (EDCs), namely, dibutylphthalate (DBP), diethylhexylphthalate (DEHP), ... -
Endocrine disrupting chemicals in wastewater treatment plants in Kenya, East Africa: Concentrations, removal efficiency, mass loading rates and ecological impacts
(Environmental Research, 2023-11-01)This study investigated the levels, mass loadings, removal efficiency, and associated ecotoxicological risks of selected endocrine disrupting chemicals (EDCs), namely, dibutylphthalate (DBP), diethylhexylphthalate (DEHP), ... -
Endogeneity and Human Capital in Higher Education A Critical Analysis of Investment Returns Among Teacher’s in Uasin Gishu County, Kenya
(JUMUGA Journal of Education, Oral studies and human science, 2022-10-15)The concept of human capital presupposes that formal schooling and experience enhances the productive capacity of individual workers through acquisition of knowledge and skills. Empirical studies on private rate of return ... -
Energy Evaluation and Qualitative Analysis of Biogas Produced from Co-Digesting Kitchen Waste and Cow Dung
(Physical Science International Journal, 2018-01-01)Anaerobic digestion is an effective method for organic pollution reduction and bio-energy production and has increasing applications worldwide. Produced biogas consists mainly of 50–70% methane (CH4) and 30–50% carbon ... -
An Engel–Kollat–Blackwell model application on restaurant clientele purchase decision-making processes in commercial eateries in Kakamega County, Kenya
(Research in Hospitality Management, 2024-03-07)Restaurant clientele have a task of making critical decisions concerning their choices of food and drinks. The decision-making process involves, firstly, the selection of the restaurant in which to have a meal and, secondly, ... -
Enhanced performance of Sb2S3 mesoscopic sensitized solar cells employing TiO2:Nb compact layer
(Journal of Materials Science: Materials in Electronics, 2018-07-28)This paper reports on the enhancement of charge transport and recombination by niobium doped compact layers of TiO2 in a solar cell with Sb2S3 absorber layer by characterizing both thin films of TiO2:Nb and working solar ... -
Enhanced performance of Sb2S3 mesoscopic sensitized solar cells employing TiO2:Nb compact layer
(Journal of Materials Science: Materials in Electronics, 2018-07-28)This paper reports on the enhancement of charge transport and recombination by niobium doped compact layers of TiO2 in a solar cell with Sb2S3 absorber layer by characterizing both thin films of TiO2:Nb and working solar ...