Browsing Faculty of Science Engineering and Technology by Issue Date
Now showing items 141-160 of 240
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Design and Implementation of a Transformer Vandalism Monitoring System
(Science Publishing Group, 2018-01-02)Transformer vandalism is becoming an alarming issue in the whole world. Power distribution companies are incurring losses of billions of money due to transformer vandalism. This paper is going to contributes to the design ... -
Habits of a highly successful cereal killer, Striga
(PLOS Pathogens, 2018-01-11)Striga is a highly successful pathogen of cereal crops in sub-Saharan Africa. Also known as witchweed, Striga is an attractive parasitic plant whose beautiful flowers belie its noxiousness. Most cultivated cereals, including ... -
Status of Opuntia invasions in the arid and semi-arid lands of Kenya
(CAB Reviews, 2018-03)Invasive alien species (IAS) are among the leading threats to biodiversity, food security and human well-being. Opuntia (prickly pear cactus) is one of the most widespread and naturalized in the arid and semi-arid areas ... -
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. -
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 ... -
Genetic Characterization and Diversity of Rhizobium Isolated from Root Nodules of Mid-Altitude Climbing Bean (Phaseolus vulgaris L.) Varieties.
(2018-05-15)The increasing interest in the use of rhizobia as biofertilizers in smallholder agricultural farming systems of the Sub-Saharan Africa has prompted the identification of a large number of tropical rhizobia strains and led ... -
On The Norm of an Elementary Operator of Finite Length in A C*Algebra”
(2018-08)Properties of elementary operators have been studied over the past years especially the norm aspect. Various results have been obtained on elementary operators of different lengths using different approaches. In this paper, ... -
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 ... -
Synthesis, Characterization, Electrochemical and Antibacterial Studies of Half-sandwich Ru(II) Complex of 4-fluoro-N-(2-pyridiylmethylene)-aniline Schiff Base
(2018-10)The 4-fluoro-N-(2-pyridiylmethylene)-aniline Schiff base ligand (L) and its complex has been synthesized and successfully characterized by 1H NMR, elemental analysis, UV/VIS spectroscopy. Electrochemical properties were ... -
Synthesis and characterization of water-soluble arene- ruthenium complexes and their application in biphasic olefin oxidation
(2018-12-25)New water-soluble complexes [(η6-C6H6)RuCl(C5H4N-2-CH = N-R)]Cl (1) (with R = 4-hydroxymethylphenyl (a), 2,4-dichlorophenyl (b), 2-fluorophenyl (c), 3-carboxyphenyl (d)) have been synthesized by reacting [(η6-C6H6)Ru(μ-Cl)Cl]2 ... -
Synthesis, characterization and applications of transition metal-doped manganese oxide catalysts.
(2019)Manganese oxide octahedral molecular sieves exhibit good conductivity, tunable redox properties, high porosity and excellent thermal stability. Thus, these materials have several potential applications as cathodic materials ... -
Application on soil Dehydrogenase activity on Sugarcane Cultivated Soils in Nzoia Sugarcane PlantationsFoot-care influence on foot ulcer development among type 2 diabetes mellitus patients attending clinics in Embu.
(2019)Type 2 Diabetes Mellitus (T2DM) has become a global epidemic of 21st century with disproportionately high socioeconomic burden in the developing world. The prevalence of T2DM continues to rise resulting in significant ... -
Complexometric determination on Nickel (ii) in its synthetic alloys using selected Hydroxytriazene as metallochromic indicator
(2019)A simple, rapid and reasonable selective Complexometric technique for nickel (II) determination using some selected hydroxytriazene as a metallochromic indicator is reported in the present study. The colour change at the ... -
The Banach Numerical Range for Finite Linear Operators
(Modern Scientific Press, Florida, USA, 2019-01)The numerical range has been studied extensively in Hilbert spaces. Properties of the numerical range such as non-emptiness, containment of the spectrum and in particular, convexity have been proved and results have ... -
Indigenous knowledge and applications of clay among rural communities in western Kenya
(2019-01)A survey was conducted in Western Kenya involving 281 respondents to ascertain the clay applications and its health effects on human beings. Household survey, focus group discussions and direct observation were ... -
WLAN SECURITY: A TRUSTED COMPUTING BASE APPROACH
(2019-01)This paper identifies the gaps in IEEE 802.11 standards and supporting technologies and then proposes a conceptual architecture that can be used to develop a model for analyzing and predicting the security performance of ... -
Shell-ferromagnetism and decomposition in off-stoichiometric Ni50Mn50–xSbx Heuslers
(AIP Publishing, 2019-01-28)Off stoichiometric Heuslers in the form Ni50Mn50−xZx, where Z can be a group 13–15 element of the periodic system, decompose at about 650 K into a ferromagnetic full Heusler Ni50Mn25Z25 and an antiferromagnetic Ni50Mn50 ... -
On the Banach Space Numerical Range for a Linear Operator ",
(Modern Scientific Press Company, Florida, USA, 2019-03-25)The numerical range has been studied extensively in Hilbert spaces. Properties of the numerical range such as non-emptiness, containment of the spectrum and in particular, convexity have been proved and results have ... -
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 ... -
Combined Effects of Hall Current, Rotation and Inclined Magnetic Field on a Free Convection Fluid Flow over an Exponentially Accelerated Vertical Plate with Heat and Mass Transfer
(2019-05)Many natural phenomena and technological applications undergo Magneto hydrodynamics (MHD). Applications such as the drawing of continuous strips of polymers through a die are carried out through a stagnant cooling fluid. ...