Browsing Faculty of Science Engineering and Technology by Title
Now showing items 157-176 of 240
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Parasites of Commercially Important Fish from Lake Naivasha, Rift Valley, Kenya.
(springer, 2014-01)In Lake Naivasha, the common carp Cyprinus carpio L. 1758 was accidentally introduced from fish farms adjacent to River Malewa in 1999 and now forms the bulk of the total fish caught. Since its introduction, no study has ... -
Performance of Adaptive Bandwidth Allocation for Multimedia Handover Services in UMTS mobile Cellular Networks
(Jommo Kenyatta University of Science and Technology, 2016-05-03)With the ever growing multimedia services in the telecommunicationindustry, Quality of Service (QoS) provisioning in cellular networksis becoming more challenging. Studies have suggested that QoSrequirements can be met by ... -
Perpendicular magnetic anisotropy in Mn2VIn (001) films: An ab initio study
(2017-12-07)First principles study of the magnetic anisotropy of Mn2VIn (001) films show perpendicular magnetic anisotropy (PMA), which increases as a function of the thickness of the film. Density functional theory (DFT) as implemented ... -
Perpendicular magnetic anisotropy in nearly fully compensated ferrimagnetic Heusler alloy Mn0.75Co1.25VIn: An ab initio study
(Elsevier, 2017-11)First principles calculations are reported on perpendicular magnetic anisotropy (PMA) in nearly fully compensated ferrimagnetic Heusler compound Mn0.75Co1.25VIn. The structural, electronic and magnetic properties of ... -
Phenotypic Diversity Studies on Selected Kenyan and Tanzanian Rice (Oryzasativa L) Genotypes Based on Grain and Kernel Traits
(2015)Phenotypic characterization of rice (Oryza sativa L.) provides useful information regarding preservation of diversity and selection of parental genotypes with superior traits in plant breeding program. The main objective ... -
Physico-Chemical Analysis of Ground Water from Kihara Division, Kiambu County, Kenya
(2012)Water quality is an index of health and is one of the areas of major concern to environmentalists, since industrialization, urbanization and modern agricultural practices have a direct impact on the water resources. Borehole ... -
Physicochemical Proprieties of Pond Water in the Economic Stimulus Programme (ESP) Fish Ponds in Tharaka-Nithi County, Kenya
(International Journal of Interdisciplinary Research and Innovations, 2020)In an effort to attain food security, Kenya has embraced aquaculture as one of its strategies. From 2009, the Government established thousands of fish ponds through the Economic Stimulus Programme (ESP). TharakaNithi ... -
Phytochemical screening and antipyretic activities of dichloromethanemethanolic leaf and stem bark extracts of Ximenia americana in rat models
(2017-07)Introduction: In most parts of Africa, Ximenia americana is used in folklore to treat various disorders such as oedema, pain, fever, helminthiasis, diarrhoea, burns among other diseases. This study tested the antipyretic ... -
PLS Generalized Linear Regression and Kernel Multilogit Algorithm (KMA) for Microarray Data Classification Problem
(2020)This study involves the implentation of the extensions of the partial least squares generalized linear regression (PLSGLR) by combining it with logistic regression and linear discriminant analysis, to get a partial least ... -
PLS Generalized Linear Regression and Kernel Multilogit Algorithm (KMA) for Microarray Data Classification Problem
(Revista Colombiana de Estadística - Applied Statistics, 2020)This study involves the implentation of the extensions of the partial least squares generalized linear regression (PLSGLR) by combining it with logistic regression and linear discriminant analysis, to get a partial least ... -
Polylactic acid (PLA) viscoelastic properties and their degradation compared with those of polyethylene
(2015-12)Polyethylene (PE) films are widely used in packaging. PE is a thermoplastic manufactured from nonrenewable petroleum resources. Due to its non–biodegradability, its films have posed serious pollution problems e.g. visual ... -
Polylactic acid (PLA) viscoelastic properties and their degradation compared with those of polyethylene
(Academic Journals, 2015-10-19)Polyethylene (PE) films are widely used in packaging. PE is a thermoplastic manufactured from nonrenewable petroleum resources. Due to its non–biodegradability, its films have posed serious pollution problems e.g. visual ... -
Potential of native rhizobia in enhancing nitrogen fixation and yields of climbing beans (Phaseolus vulgaris L.) in Contrasting Environments of Eastern Kenya
(2017-03-13)Climbing bean (Phaseolus vulgaris L.) production in Kenya is greatly undermined by low soil fertility, especially in agriculturally prolific areas. The use of effective native rhizobia inoculants to promote nitrogen fixation ... -
Power spectral analysis and edge detection of magnetic data of Migori greenstone belt, Kenya.
(2020-04)With the continuous extraction of minerals in Migori greenstone belt, exploration is currently evolving from surface based exploration to subsurface exploration. This necessitates a good understanding ... -
Price and Volumes Reaction to Annual Earnings Announcement: A Case of the Nairobi Securities Exchange
(2013-02)Modern corporate organizations listed in the security markets periodically communicate their financial performance to stakeholders through earnings announcements. Efficient markets immediately absorb and reflect the new ... -
Rapid, Economical and selective Compexometric Determination of Iron (III) in its synthetic alloys using 3 hydroxy-3- phynyl-1-(2,4,6-tribromophynyl)
(2013-09)The present study describes a simple, selective, rapid and economical method for the determination of iron (III) in its synthetic alloys using 3-hydroxy -3- phenyl-1- (2,4,6- tribro mophenyl) triazene as ... -
Rapid,Economical and selective Compexometric Determination of Iron (III) in its synthetic alloys using 3 hydroxy-3 phynyl-1-(2,4,6-tribromophynyl)
(2019-09)The present study describes a simple, selective, rapid and economical method for the determination of iron (III) in its synthetic alloys using 3-hydroxy -3- phenyl-1- (2,4,6- tribromophenyl) triazene as metallochromic ... -
Reaction of molybdenum mononitrosyl halides with Schiff bases: Hydrolysis of azomethine links,formation of monometallic tris
(Elsevier, 1996-06)The reaction of 2 mol equiv. of [Mo(NO){HB(dmpz)3}X2] ((HBdmpz)3 = tris(3,5-dimethylpyrazolyl)borate; X = Cl or I) with Schiff base ligands derived by condensation of 2 mol equiv. of para- and meta-hydroxybenzaldehyde with ... -
Reflectance, Transmittance and Absorptance of HDPE, LDPE, Glass and Sand Layer Used in a SAH
(2014)The total Infra-red (IR) transmission of polymer films is a very important property in engineering, which determines their suitability for a specific application at a given temperature level. Aiming to investigate the ... -
Reproduction and life history traits of a resistance breaking Globodera pallida population
(Society of Nematologists, 2019-12-05)The main and most efficient measure to control potato cyst nematode (PCN) is the use of resistant cultivars. German and Dutch National Plant Protection Organizations (NPPOs) recently reported the emergence of Globodera ...