Browsing Research and Publications by Title
Now showing items 1031-1050 of 1115
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Synthesis and characterization of poly (propylene imine) dendrimer–Polypyrrole conducting star copolymer
(Elsevier, 2010)A star copolymer based on poly(propylene imine) (PPI) dendrimer core (generations 1–4) and polypyrrole (PPy) shell was prepared. The synthesis procedure involved a condensation reaction between PPI surface primary amine ... -
Synthesis of mesoporous akaganeite functionalized maize cob biochar for adsorptive abatement of carbamazepine: Kinetics, isotherms, and thermodynamics
(Elsevier, 2022-09-01)In this work, akaganeite (β-FeO(OH)) impregnated maize cob biochar (Fe-MCB) was prepared by direct hydrolysis, and its adsorptive potential was tested against aqueous solutions of carbamazepine (CBZ), an emerging contaminant. ... -
Synthesis of stationary phases that provide group recognition for polychlorinated biphenyls by porogenic fragment template imprinting
(WILEY, 2015)Molecular recognition based on imprinted polymers results from the polymerization of functional monomers and cross-linkers in the presence of a target analyte (i.e. template), with subsequent removal of the template to ... -
Tapping Indigenous Knowledge in Livestock Feeds
(Alin for community development workers, 2018-09) -
Tax Effort and Determinants of Tax Ratios in Kenya
(European Journal of Economics, Law and Politics, 2016)The study analyzes the tax effort and the factors which influence tax ratios in Kenya. Tax revenue collected from 1980 to 2015 has been less than the government expenditure forcing the government to borrow from domestic ... -
Taxation and private investment: evidence for Kenya
(2013)Private investment in Kenya has been low for the last four decades. This has stimulated much concern to the policy makers’ bearing in mind that investment is a key variable influencing economic growth. Several economic ... -
Tea Production Response to Climate Change in Kenya: An Autoregressive Distributed Lag Approach
(AJER, 2022-01)Tea sector plays a critical role in socio economic development in Kenya. It is a leading foreign exchange earner, a major source of livelihood for most rural communities and significantly contributes to poverty reduction. ... -
TEACHERS IN THE IMPLEMENTATION OF PRACTICAL AGRICULTURE CURRICULUM IN KENYA’S ARID AND SEMI ARID SECONDARY SCHOOLS
(2018-08)One of the major challenges of the 21 st century is the increasing level of academic qualifications at the expense of relevance in education. School agriculture is one of the subjects which require teachers who as ... -
Teachers’ Labeling of students and its effect on Students’ Self– concept: A Case of Mwala District, Machakos County, Kenya
(International Journal of Education and Research, 2013-10)There is a need to help secondary school students to attain higher academic achievements in the national examinations. This is because good performance in these examinations acts as a channel through which students proceed ... -
Teacher’s Productivity in Promoting Quality Education in Public Primary Schools in Kenya
(MCSER-CEMAS-Sapienza University of Rome, 2013-07)Researchers and policy makers agree that teacher quality is a pivotal issue in education. Quality education begins with quality teachers. Excellent teachers do more than teach the curriculum content: they inspire and ... -
Teaching of the integrated topics on drug abuse as a strategy to eradicate drug abuse among secondary school students in Machakos District, Kenya
(2012)The problem of drug abuse has been an area of concern in Kenya for the last two decades. The previous studies carried out in this area revealed that drug abuse has been on the increase at the secondary school level in ... -
Technology Awareness and Adoption: The Case of Improved Pigeonpea Varieties in Kenya
(2012)We apply a program evaluation technique to data obtained from rural Kenya to assess the patterns of adoption of improved pigeonpea varieties. The sample adoption rate of improved pigeonpea is found to be 36% while potential ... -
Tense Usage in Selected Humanities and Science Dissertations
(2014-11)Graduate students are usually not sure of the appropriate tense to use in each rhetorical section of their dissertations in their disciplines. Even style guides provide little information regarding tense usage in academic ... -
Tense Usage in Selected Humanities and Science Dissertations
(2014)Graduate students are usually not sure of the appropriate tense to use in each rhetorical section of their dissertations in their disciplines. Even style guides provide little information regarding tense usage ... -
Testing Of Consistent Trends in Stock Performance In The Nairobi Securities Exchange
(Department of Business Administration, School of Business, University of Nairobi., 2015-03)Consistent stock performance contradicts random adjustment of stock prices in efficient markets and is thus anomalous despite the potential of generating significant profits for investors. This research set out to test ... -
Testing Theories of Change for Dryland Cereals: The HOPE project in central Tanzania 2009-2012
(ICRISAT, 2015)The Harnessing Opportunities for Productivity Enhancement (HOPE) project was based on a market-led Theory of Change in which farmers adopted new technology for sorghum and millets in response to market demand. This Theory ... -
TEXTBOOK SELECTION EXPERIENCES AMONG SECONDARY SCHOOL TEACHERS OF ENGLISH IN KENYA
(International Journal of Education and Research, 2013-12)Textbook development and selection in Kenya has undergone significant change in the last decade. The aim of this paper is to highlight the textbook selection guidelines laid down by the Ministry of Education, and to explore ... -
Thermal stability of ascorbic acid and ascorbic acid oxidase in african cowpea leaves ( Vigna unguiculata ) of different maturities
(2011-03)Cowpea, an African leafy vegetable ( Vigna unguiculata ), contains a high level of vitamin C. The leaves harvested at 4-9 weeks are highly prone to vitamin C losses during handling and processing. Therefore, the purpose ... -
THIN LAYER DRYING KINETICS OF AMARANTH (Amaranthus cruentus) GRAINS IN A NATURAL CONVECTION SOLAR TENT DRYER
(2010-03)An experimental solar tent dryer under natural convection was used to study thin layer drying kinetics of amaranth (Amaranthus cruentus) grains. Drying of grains in the dryer was carried out on a drying rack having two ... -
A Three-Step Nonparametric Estimation of Conditional Value-At-Risk Admitting a Location-Scale Model
(Journal of Statistical and Econometric Methods, 2019)Financial institutions owners and regulators are concerned majorly about risk analysis, Value-at-Risk (VaR) is one of the most popular and common measures of risk used in finance, measures the down-side risk and is ...