Browsing Faculty of Science Engineering and Technology by Issue Date
Now showing items 221-240 of 240
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Transitivity Action of the Cartesian Product of the Alternating Group Acting on a Cartesian Product of Ordered Sets of Triples
(Asian Research Journal of Mathematics, 2021-12)In this paper, we investigate some transitivity action properties of the cartesian product of the alternating group 𝐴𝑛 (𝑛 ≥ 5) acting on a cartesian product of ordered sets of triples using the Orbit-Stabilizer ... -
Application of Principal Component Analysis and Hierarchical Regression Model on Kenya Macroeconomic Indicators
(EJ-MATH, European Journal of Mathematics and Statistics, 2022)The aim of this paper was to apply Principal Component Analysis (PCA) and hierarchical regression model on Kenyan Macroeconomic variables. The study adopted a mixed research design (descriptive and correlational research ... -
Assessment of Selected Physico-Chemical Parameters of Groundwater in Chuka Igambang’ombe Constituency, Kenya
(Chuka University, 2022)Groundwater is an essential source of water for drinking and other domestic uses. Recently, there has been high dependence on groundwater due to water shortage as a result of changing climates, and higher costs of accessing ... -
Ab initio Investigation of the Structural and Electronic Properties of Alkaline Earth Metal - TiO2 Natural Polymorphs
(Hindawi Advances in Materials Science and Engineering, 2022)Titanium (IV) oxide (TiO2) has gained much attention due to its application in technologies such as optoelectronics, electronics, sensors, photocatalysts, and sustainable energy generation. However, its optical absorption ... -
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 ... -
Crystal structure of chlorido-(η6 - toluene)(2,2′-bipyridine-κ2 N,N′)ruthenium(II) hexafluorophosphate, C17H16ClN2RuPF6
(De Gruyter, 2022)C17H16ClN2RuPF6, monoclinic, P21/c (no. 14), a = 14.4426(9) Å, b = 8.3311(5) Å, c = 16.413(1) Å, β = 109.2690°, V = 1864.2(2) Å3 , Z = 4, Rgt(F) = 0.0309, wRref(F2 ) = 0.0697, T = 173 K. -
Features Selection in Statistical Classification of High Dimensional Image Derived Maize (Zea Mays L.) Phenomic Data
(Science and Education Publishing, 2022)Phenotyping has advanced with the application of high throughput phenotyping techniques such automated imaging. This has led to derivation of large quantities of high dimensional phenotypic data that could not have been ... -
Norm- Attainability of Generalized Finite Operators on C*- Algebra
(Modern Scientific Press Company, 2022)Norm -attainability of elementary operators on Hilbert and Banach spaces have been Characterized by many mathematicians. However, there is little information on Normattainability of generalized finite operators on C*-algebra. ... -
Spectral Picture Of Almost Similar Operators
(Journal of Multidisciplinary Engineering Science and Technology (JMEST), 2022)Various results that relate to almost similarity and other classes of operators such as isometry, normal, unitary and compact operators have been extensively discussed. In this paper, we describe the spectral picture ... -
Chlorido-(η 6 -p-cymene)-(bis(pyrazol-1-yl)methaneκ 2N,N0 )Osmium(II) Tetrafluoroborate, C17H22BClF4N4Os
(MDPI, 2022)The powder of the arene osmium(II) complex, [Os(II)(dpzm)(η 6 -p-cym)Cl]BF4 (dpzm = di(1H-pyrazol-1-yl)methane; η 6 -p-cym = para-cymene), with a formula of C17H22BClF4N4Os (referred to herein as 1) was isolated ... -
Features Selection in Statistical Classification of High Dimensional Image Derived Maize (Zea Mays L.) Phenomic Data
(Science and Education Publishing, 2022)Phenotyping has advanced with the application of high throughput phenotyping techniques such automated imaging. This has led to derivation of large quantities of high dimensional phenotypic data that could not have been ... -
Effects of dibenzylbutyrolactone lignans arctigenin and trachelogenin on the motility of isolated rat ileum
(Elsevier, 2022)Dibenzylbutyrolactone-type lignans are phenolic compounds of medical importance. The purpose of the study was to determine the effects of two such lignans, arctigenin and trachelogenin on the motility of isolated rat ileum ... -
Genetic and phenotypic diversity of microsymbionts nodulating promiscuous soybeans from diferent agro-climatic conditions
(Springer Open, 2022)Background: Global food supply is highly dependent on feld crop production that is currently severely threatened by changing climate, poor soil quality, abiotic, and biotic stresses. For instance, one of the major challenges ... -
Singular Spectrum Analysis: An Application to Kenya’s Industrial Inputs Price Index
(Springer, 2022-01)Time series modelling and forecasting techniques serve as gauging tools to understand the time-related properties of a given time series and its future course. Most financial and economic time series data do not meet the ... -
Determination of precursors of acrylamide formation in roasted maize
(Advances in Phytochemistry, Textile and Renewable Energy Research for Industrial Growth – Nzila et al. (Eds), 2022-04)Acrylamide, an organic compound with the formula CH2=CHCONH2, is a contaminant generated through high-temperature cooking processes as a result of Maillard reactions catalyzed by the presence of reducing sugars and free ... -
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 ... -
Screening of Antimicrobial Activity of Poly Herbal Extracts against Bacterial Pathogens Causing Gastroenteritis in Tharaka Nithi County, Kenya
(South Asian Journal of Research in Microbiology, 2023-04-27)Herbals have been used for decades to treat gastrointestinal infections across the world, including in Tharaka-Nithi County, Kenya. Crude extracts from herbs have long been prescribed by traditional healers for treatment ... -
Characterization of Antibioticproducing Actinomycetes Isolated from River Tana and Lake Elementaita in Kenya
(Asian Journal of Research in Biochemistry, 2023-08-01)The rise of antibiotic-resistant bacteria has become a global health concern, necessitating the search for novel sources of antibiotics. Actinomycetes, a group of microorganisms, have been known for their ability to ... -
Effect of pH, Carbon and Nitrogen Sources on Antibiotic Production by Actinomycetes Isolates from River Tana and Lake Elementaita, Kenya
(Asian Journal of Research in Biochemistry, 2023-08-04)The escalating concern over antibiotic resistance and its profound impact on public health have underscored the urgent need to explore alternative reservoirs of antimicrobial agents. In this regard, Actinomycetes have ... -
An Empirical analysis of Commercialization of Small holder Farming: Its inclusive household Welfare Effects
(2916-04-18)This paper assesses the potential impact of commercialization of agriculture on household welfare of farmers in eastern Kenya under the Mwea rice scheme. The study consists of cross-sectional data collected with structured ...