Browsing Gold Collection by Title
Now showing items 663-682 of 969
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Occurrence and distribution of cassava begomoviruses in Kenya
(Annals of Applied Biology, 2005-03-16)SummaryA survey for cassava mosaic disease (CMD) was conducted in Kenya, to investigate the factors contributing to the generally increased incidence and severity of CMD in the cassava growing regions and to study the ... -
Occurrence and Distribution of Per- and Polyfluoroalkyl Substances from Multi-Industry Sources to Water, Sediments and Plants along Nairobi River Basin, Kenya
(Environmental Research and Public Health, 2022-07-23)Per- and polyfluoroalkyl substances (PFAS) are ever-present pollutants in the environment. They are persistent and bio-accumulative with deleterious health effects on biota. This study assesses the levels of PFAS in ... -
Occurrence and Distribution of Per- and Polyfluoroalkyl Substances from Multi-Industry Sources to Water, Sediments and Plants along Nairobi River Basin, Kenya
(Environmental Research and public health, 2022-07-23)Per- and polyfluoroalkyl substances (PFAS) are ever-present pollutants in the environment. They are persistent and bio-accumulative with deleterious health effects on biota. This study assesses the levels of PFAS in ... -
Occurrence and Distribution of Per- and Polyfluoroalkyl Substances from Multi-Industry Sources to Water, Sediments and Plants along Nairobi River Basin, Kenya
(International Journal of Environmental Research and public health, 2022-07-23)Per- and polyfluoroalkyl substances (PFAS) are ever-present pollutants in the environment. They are persistent and bio-accumulative with deleterious health effects on biota. This study assesses the levels of PFAS in ... -
On A Class of Idealized Near-Rings Admitting Frobenius Derivations.
(Journal of Advances in Mathematics and Computer Science, 2020-07-15)In this paper, we use the idealization procedure for finite rings to construct a class of quasi-3 prime Near-Rings N with a Jordan ideal J(N) and admitting a Frobenius derivation. The structural characterization of N; J(N) ... -
On Certain Spaces of Ideal Operators
(SCIENCE MUNDI, 2023-11-16)We determine some important spaces of ideal operators and ideal characteristics. Special consideration is given to Frechet spaces, Spaces of finite rank operators and spaces of Hahn-Banach extension operators. The ... -
On Extension of Existing Results on the Diophantine Equation:∑nr=1w2r+n3d2= 3(nd23+∑n3r=1w23r−1)
(Earthline Journal of Mathematical Sciences, 2025-01-05)Let $w_r$ be a given sequence in arithmetic progression with common difference $d$. The study of diophantine equation, which are polynomial equations seeking integer solutions has been a very interesting journey in the ... -
On Some Aspects of Compactness in Metric Spaces
(AFRICAN SCIENTIFIC ANNUAL REVIEW, 2024-04-17)In this paper, we investigate the generalizations of the concepts from Heine-Borel Theorem and the Bolzano-Weierstrass Theorem to metric spaces. We show that the metric space X is compact if every open covering has a finite ... -
On the Computationally Efficient Numerical Solution to the Helmholtz Equation
(International Mathematical Forum,, 2018-02)Named after Hermann L. F. von Helmholtz (1821-1894), Helmholtz equation has obtained application in many elds: investigation of acaustic phenomena in aeronautics, electromagnetic application, migration in 3-D geophysical ... -
On the predictors of pro-environmental behaviors: integrating personal values and the 2-MEV among secondary school students in Tanzania
(Heliyon, 2022-05-03)The role of personal values in understanding pro-environmental attitudes and behaviors has received considerable attention from psychological researchers. However, little is known about the mutual interaction of personal ... -
On the Quotient Groups of Subgroups of the Unit Groups of a Class of Completely Primary Finite Rings
(Pure Mathematical Sciences,, 2015)The study of completely primary nite rings has generated interest- ing results in the structure theory of nite rings with identity. It has been shown that a nite ring can be classi ed by studying the structures of ... -
On The Sum of Three Square Formula
(SCIENCE MUNDI, 2023-11-30)Let n,x,y,z be any given integers. The study of n for which n = x2 +y2 + z2 is a very long-standing problem. Recent survey of sizeable literature shows that many researchers have made some progress to come up with algorithms ... -
One Hundred Percent Transition Policy in Kenya & Self-Esteem among Learners Reviewing Butula Sub County’s Secondary Schools, Busia County
(Jumuga Journal of Education,Oral Studies, and Human Sciences (JJEOSHS), 2024-10-14)This article progresses from a research that was done to investigate the effects of one hundred percent transition policy on the self-esteem of learners in public secondary schools, within Butula Sub County, Busia County, ... -
Optical modelling of TCO based FTO/TiO2 multilayer thin films and simulation in hydrogenated amorphous silicon solar cell
(Scientific Africa, 2023-04-26)Hydrogenated Amorphous silicon (a:Si:H) has low amounts of defects making it attractive for photovoltaic applications. To improve power conversion efficiency (PCE) of a:Si:H solar cells, this study investigated the effect ... -
Optimal efficacy in mosquito-host interaction inhibition by 35-60 kHz animal sounds for malaria control
(Biophysical Journal, 2023-02-10)Female Anopheles gambiae sensu stricto, the malaria vector, continues to develop resistance to synthetic insecticides thus threatening its control. Studies on mosquitoe's phonotaxis showed that the electronic mosquito ... -
Optimisation, validation and field applicability of a 13C-sucrose breath test to assess intestinal function in environmental enteropathy among children in resource poor settings
(Journal of Pregnancy, 2020-05)Abstract Introduction Environmental enteropathy (EE) is suspected to be a cause of growth faltering in children with sustained exposure to enteric pathogens, typically in resource-limited settings. A major hindrance to ... -
Optimisation, validation and field applicability of a 13C-sucrose breath test to assess intestinal function in environmental enteropathy among children in resource poor settings: study protocol for a prospective study in Bangladesh, India, Kenya, Jamaica, Peru and Zambia
(BJM, 2021-11-17)Introduction Environmental enteropathy (EE) is suspected to be a cause of growth faltering in children with sustained exposure to enteric pathogens, typically in resource-limited settings. A major hindrance to EE research ... -
Optimization of Turbine Blade Pitch Angle of a Home-built Wind Turbine for Maximum Power Output
(Journal of Renewable Energy and Mechanics., 2024-09-30)Wind energy greatly reduces the world’s dependence on fossil fuels (oil and natural gas), and is environmentally friendly. One of the most cost-effective alternatives of energy sources is wind power. This study used a ... -
Optimized Dyeing of Cotton with semi-synthetic Embelin Ninhydrin Dye Obtained by Chemical Modification of Embelin from Embelia Schimperi
(Journal of Natural Fibers, 2022-08-08)Chemical modification is a promising path to address the limitations of a natural dye, such as limited shades and inadequate fastness properties. This study investigated the modification of embelin (2, 5-dihydroxy-3-undecyl-1, ... -
Origin and Nature of Ethnic Fragmentation in Kenya Since 1960
(The African Journal of Education, Science and Technology (AJEST), 2024-10-25)This research article underscored ethnic fragmentation in Kenya by dwelling on its origin and nature since 1960. It reviewed various literatures and filled the gaps that emerged. Additionally, the research article utilized ...
