Browsing Faculty of Science Engineering and Technology by Title
Now showing items 121-140 of 240
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Magnetic field and hall current effect on Mud free convection flow past a vertical rotating flat plate
(2012-11)In this study, effects of Hall current and rotation on an electrically conducting rarefied gas are investigated . A constant , strong magnetic field is applied at an angle φ to both the electric field and the ... -
Massive Protocluster of a Periodic Maser Source G188.95+0.89
(Oxford University Press on behalf of Royal Astronomical Society, 2021-07-14)We report the results of ongoing monitoring of the 6.7 GHz CH3OH masers associated with G188.95+0.89. In these observations, five features are periodically varying and at least two exhibit evidence of velocity drifts. It ... -
Mathematical Analysis of a Comprehensive HIV AIDS Model: Treatment versus Vaccination
(HIKARI Ltd,, 2013)A comprehensive deterministic HIV/AIDS transmission model incorporating social behaviour, treatment, vaccination, stages of infection, age structures, discrete time delay and vertical transmission is presented and rigorously ... -
Maximizing the Value of Information Communication Technologies (ICTs) and Its Implications on Library Operations in Public Universities in Kenya: Potential and Challenges
(Centre for Democracy, Research and Development (CEDRED), Nairobi, Kenya., 2022)The advent of information age has significantly changed the environment in which libraries operate in the 21st century. Technological encroachment has forced librarians to adopt various technologies for their continued ... -
Medicinal Plants Used for Treatment of Gastrointestinal Infections in Tharaka-Nithi County
(International Journal of Pathogen Research, 2022-08-22)Health care is a basic need to humans which can only be achieved with medicines with high efficacy against disease causing pathogens. Globally, gastrointestinal infections are major health concern particularly to travelers ... -
Metric Equivalence as an Almost Similarity Property
(Science Research Organization, 2017-11-03)Various results that relate to almost similarity and other classes of operators such as isometry, normal, unitary and compact operators have been extensively discussed. It has been shown that if ... -
Modeling and Forecasting Kenyan GDP Using Autoregressive Integrated Moving Average (ARIMA) Models
(2016-04-13)The Gross Domestic Product (GDP) is the market value of all goods and services produced within the borders of a nation in a year. In this paper, Kenya's annual GDP data obtained from the Kenya National Bureau of statistics ... -
Modeling and Forecasting Kenyan GDP Using Autoregressive Integrated Moving Average (ARIMA) Models
(Science Publishing Group, 2016-01)The Gross Domestic Product (GDP) is the market value of all goods and services produced within the borders of a nation in a year. In this paper, Kenya’s annual GDP data obtained from the Kenya National Bureau of statistics ... -
Modeling and Forecasting Kenyan GDP Using Autoregressive Integrated Moving Average (ARIMA) Models
(Science Publishing Group, 2016-04-13)The Gross Domestic Product (GDP) is the market value of all goods and services produced within the borders of a nation in a year. In this paper, Kenya’s annual GDP data obtained from the Kenya National Bureau of statistics ... -
Modeling HIV/AIDS Co Infection with Malaria and Tuberculosis: The role of treatment and counseling
(2018-05)HIV/AIDS remains one of the leading causes of death in the world with its effects most devastating in Sub Saharan Africa due to its dual infection with opportunistic infections especially malaria and tuberculosis. This ... -
Modeling the Impact of Soil Porosity on Nitrate Leaching to Groundwater Using the Advection Dispersion Equation
(2019-04)Nitrogen is a vital nutrient that enhances plant growth which has motivated the intensive use of nitrogen-based fertilizers to boost crop productivity. However, Pollution by nitrate is a globally growing ... -
Modifying Surber sampling technique increases capture of freshwater crabs in African upland streams. Inland Waters. 2:11-15
(2017-04-03)We compared 2 methods for sampling the freshwater crab Potamonautes odhneri (Colosi) in Kenyan streams: standard Surber sampling, in which a sample is taken over a period of several minutes; and rapid Surber sampling, ... -
Molecular characterization of wood ear mushrooms [Auricularia sp.] from Kakamega Forest in Western Kenya
(Current Research in Environmental & Applied Mycology, 2016-03-30)Mushrooms of the genus Auricularia, generally termed wood ear mushrooms are in high demand in Western Kenya due to their numerous medicinal and nutritional properties. Interventions to characterize and conserve the native ... -
A Multi-Faceted Approach to Mobile Agent Security
(2015-06)Mobile agents are increasingly becoming popular in the development of current distributed applications. However, the mobility and autonomy factors of mobile agents present a host of security challenges in a ... -
Near Surface Anomaly Depth Estimation Using Downward Continuation
(2018-10)Depth estimation in gravity survey is very important in mineral prospecting. It does not only inform the choice of the optimal point for mineral exploration but also very important in analyzing economical viability of the ... -
Nephrotoxicity effects of Khat (Catha edulis) on mice when administered orally
(2017-03)Renal problems are currently on increase worldwide. Some factors suspected to be the cause of the renal problems are drug abuse. Hence, this study investigated possible renal toxicity effect of ... -
NEW METALLOCHROMIC INDICATORS FOR COMPLEXOMETRIC TITRATION OF COPPER (II) IN PRESENCE OF INTERFERING SPECIES
(Life Science Informatics Publications, 2020-09)Six hydroxytriazenes has been introduced as a metallochromic indicator in the complexometric titration with EDTA and applied successfully to the titration of copper (II). A direct method of titration of Cu (II) with EDTA ... -
Nitrogen Fixation by Natural Populations of Acacia Senegal in the Drylands of Kenya Using 15N Natural Abundance
(Taylor and Francis Online, 2013-06-24)Nitrogen (N) fixation was estimated for three Acacia senegal (L.) (A. senegal) Willd. varieties (A. senegal var. senegal, kerensis, and leiorhachis) growing naturally in different sites in the dryland areas of Kenya. The ... -
Nonthermal synthesis of three-dimensional metal oxide structures under continuous-flow conditions and their catalytic applications
(American Chemical Society, 2011-10-25)Continuous-flow synthesis of one-dimensional (1D) metal oxide nanostructures and/or their integration into hierarchical structures under nonthermal conditions is still a challenge. In this work, a nonthermal, continuous-flow ... -
Norm Estimates for Norm-attainable Elementary Operators
(HIKARI ltd, 2018-03-20)In this paper we estimates the norms of norm-attainable elementary operators: inner derivations, generalized derivation, basic elementary operator and Jordan elementary operator.