Browsing Journal Articles by Title
Now showing items 722-741 of 905
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Programmed cell death-like behavior in photoperiod-sensitive genic male sterile (PGMS) rice
(Academic Journals, 2011-04)In photoperiod-sensitive genic male sterile rice (Oryza sativa L.) pollen abort in long day and high temperature, and revert to fertility in short day length and low temperature growth conditions. This type of control of ... -
Prokaryotic diversity and potentially pathogenic bacteria in vended foods and environmental samples
(BMC, 2021-07)Purpose: Ready-to-eat fast food vending outlets provide a cheap and readily available food. Foodborne diseases have been previously reported in Embu, Kenya, but data on the prokaryotic metagenome in vended foods is scanty. ... -
Properties of activated blended cement containing high content of calcined clay
(Elsevier, 2018-08)This paper presents findings of an experimental investigation on sodium sulphate (Na2SO4) activated calcined clay e Portland cement blends in sulphuric acid media. Calcined clays were blended with Ordinary Portland Cement ... -
Properties of activated blended cement containing high content of calcined clay
(Elsevier, 2018-08)This paper presents findings of an experimental investigation on sodium sulphate (Na2SO4) activated calcined clay e Portland cement blends in sulphuric acid media. Calcined clays were blended with Ordinary Portland Cement ... -
Properties of blue emitting CaAl2O4:Eu2+, Nd3+ phosphor by optimizing the amount of flux and fuel
(Elsevier, 2014-04)Long afterglow CaAl2O4:0.03Eu2+, 0.03Nd3+ phosphor was prepared by solution-combustion synthesis. The active role of boric acid (H3BO3) as a flux in enhancing the Eu2+ photoluminescence and the effect of a varied amount ... -
A prototype parabolic trough solar concentrators for steam production
(Jomo Kenyatta University of Agriculture and Technology, 2012)In this work, the potential for a solar-thermal concentrator to produce steam has been studied. Three parabolic trough solar concentrators (PTSCs) of dimensions: - aperture width of 1.2 m, Collector length of 5.8 m and ... -
A Prototype Steam Storage System for Power Production
(2014-08-01)Use of solar energy on a large scale is mainly limited to the sun duration hours, weather conditions and adequate solar thermal storage technology. A means of addressing this problem using local materials is provided. ... -
Proximity to Woodland and Landscape Structure Drives Pollinator Visitation in Apple Orchard Ecosystem
(Crossmark, 2016-04)Landscapes of farms and adjacent areas are known to influence abundance of various arthropods such as pollinators in commercial agricultural ecosystems. In this context, we examined the effect of heterogeneous landscapes ... -
Public perceptions towards genetically modified crops and foods in Kenya
(2009)The broad objective of the study was to assess public perception towards Genetically Modified (GM) Crops and Foods in Kenya. The specific objectives were to find out the influence of background factors and Agro-ecological ... -
Quantitative trait loci (QTL) mapping of resistance to coffee berry disease (Colletotrichum kahawae Waller & Bridge) in Coffea arabica L. variety Rume Sudan
(Academic Journals, 2020-06)Coffee Berry Disease (CBD) is a major constraint that limits Coffea arabica production, whose resistance is governed by three genes, T, R that are dominant and recessive k in varieties Hibrido de Timor (HDT), Rume Sudan ... -
Rainfall Variability, Drought Characterization, and Efficacy of Rainfall Data Reconstruction: Case of Eastern Kenya
(Hindawi Publishing Corporation, 2014-08)This study examined the extent of seasonal rainfall variability, drought occurrence, and the efficacy of interpolation techniques in eastern Kenya. Analyses of rainfall variability utilized rainfall anomaly index, coefficients ... -
Rainfall Variability, Drought Characterization, and Efficacy of Rainfall Data Reconstruction: Case of Eastern Kenya
(Hindawi Publishing Corporation, 2015)This study examined the extent of seasonal rainfall variability, drought occurrence, and the efficacy of interpolation techniques in eastern Kenya. Analyses of rainfall variability utilized rainfall anomaly index, coefficients ... -
Rank and Subdegrees of P GL(2, q) Acting Cosets of P GL(2, e) for q an Even Power of e
(UoEm, 2019)The action of projective general group on the cosets of its maximal subgroups has been studied. For instance, [9] studied the action of G on the cosets of P GL(2, e) when q is an odd prime power of e. In this paper, we ... -
Rank and Subdegrees of PGL(2; q) Acting Cosets of PGL(2; e) for q an Even Power of e
(UoEm, 2019)The action of projective general group on the cosets of its maximal subgroups has been studied. For instance, [9] studied the action of G on the cosets of PGL(2; e) when q is an odd prime power of e. In this paper, we ... -
Ranks and Subdegrees of External Direct Product of Cn Dr Acting on X Y
(UoEm, 2020)In this paper, transitivity, ranks and subdegrees of the action of ex- ternal direct product of Cyclic and Dihedral group on Cartesian Product of two sets are determined. The action is proved to be transitive. Also, it's ... -
Ranks, Subdegrees and Suborbital graphs of the product action of Affine Groups
(UoEm, 2020)The action of affine groups on Galois field has been studied. For instance, [3] studied the action of 𝐴𝑓𝑓 (𝑞 ) on Galois field 𝐺𝐹 (𝑞) for 𝑞 a power of prime 𝑝. In this paper, the rank and subdegree of the direct ... -
Real Interest Rate, Inflation, Exchange Rate, Competitiveness and Foreign Direct Investment in Kenya
(AJP, 2018)Purpose: The purpose of this study was to establish the effect of real interest rates, exchange rate, inflation and competitiveness on FDI in Kenya. Methodology: The study used annual time series data for the period ... -
The Relationship between Agricultural Teaching Approaches and Food Security in Kenya
(Hindawi, 2020-07)(e continued food insecurity, despite the teaching of agriculture amidst the novel coronavirus (Covid-19), is a major global concern especially in Africa. (ere is food shortage in Africa and Kenya in particular despite ... -
Relationship Between Gender and Cognitive Factors that Influence Information Seeking Amongst Postgraduate Students: a case of Kenyatta University Post-modern Library in Nairobi, Kenya
(2020)This article discusses salient features of a study carried out at Kenyatta University. The study was aimed at investigating the relationship between gender and the cognitive factors that drove postgraduate students to ... -
Remittances and Economic Growth in Kenya (1970-2010)
(2014-03)Statisticshow that remittances to Kenya have been increasing over the years. Studies on the effect of remittances on economic growthin Kenya are limited and have not included private capital inflows as one of the determinants ...