Browsing University Journals/ Articles by Title
Now showing items 815-834 of 1139
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Per- and polyfluoroalkyl substances in selected sewage sludge in Nigeria
(Elsavier, 2013-05-03)Levels of seven major perfluoroalkyl carboxylates (PFCAs) and three perfluoroalkyl sulfonates (PFSAs) were analyzed for the first time in sludge from wastewater treatment plants from Nigeria. Measurements were performed ... -
Per- and polyfluoroalkyl substances in selected sewage sludge in Nigeria.
(Chemosphere, 2013-07-03)Levels of seven major perfluoroalkyl carboxylates (PFCAs) and three perfluoroalkyl sulfonates (PFSAs) were analyzed for the first time in sludge from wastewater treatment plants from Nigeria. Measurements were performed ... -
THE PERCEIVED USE OF COMPETENCY-DASED INSTRUCTION DY PHYSICAL EDUCATION TEACHERS
(Faculty of Education McGilI University Montreal, Oucbec, 1990) -
Perception and Level of Preparedness of Clinical Medicine Department Towards Clinical Assessment at the Kenya Medical Training Colleges in Western Kenya
(European Journal of Medical and Health Sciences, 2022-11-09)Assessment of clinical instructional strategies, learning activities, and clinical experiences occurs in a systematic and continuous manner through the process of clinical assessment. There is an evident gap between theory ... -
Perceptions of rural and urban residents in Borana pastoral and agro-pastoral areas in Ethiopia related to milk adulteration
(BMC Nutrition, 2024-04-30)Milk is a nutritious food that plays a great role in the diets of a society largely dependent on livestock production. On the other hand, contaminants can enter milk naturally or intentionally, causing a negative impact ... -
Perceptions of teachers towards the Use of Inquiry-Based Learning Following 5Es Instructional Model in Biology at Upper Secondary School Level in Rwanda
(African Journal of Educational Studies in Mathematics and Science, 2023-11-30)The study examined perceptions of teachers towards the use of inquiry-based learning (IBL) following 5Es instructional model in teaching biology at upper secondary school level in Rwanda. It also examined the challenges ... -
Perfluorinated Compounds Distribution and Source Identification in Sediments of Lake Victoria Gulf Basin
(Soil and Sediment Contamination, 2011-03-03)Perfluorooctanoic acid and perfluorooctane sulfonate were determined in the sediments from Winam Gulf, which is in the Kenyan side of Lake Victoria and in its source rivers. The sources of perfluorinated compounds within ... -
Perfluoroalkyl acids in selected wastewater treatment plants and their discharge load within the Lake Victoria basin in Kenya
(Environmental Monitoring and Assessment, 2015-04-11)A major ecological challenge facing Lake Victoria basin is the influx of chemical contaminants from domestic, hospital, and industrial effluents. Determined levels of perfluoroalkyl acids (PFAAs) in wastewater and sludge ... -
Performance of Mwitemania Bean Under the Influence of Nitrogen-Fixing Rhizobium Inoculant, Water Hyacinth Composts and DAP Fertilizer in a Field Infested with Aphis fabae and Colletotrichum lindemuthianum
(Springer, 2021-11-10)The production of beans in the Lake Victoria basin of East Africa has been declining while the water hyacinth has been invasively spreading in the lake. These are understood to be effects of nitrogen (N) loss among other ... -
Pest potential of Pisonia alba extracts and fractions against mosquito-borne disease (Diptera: Culicidae)
(2017)Mosquitocidal activity of Pisonia alba leaf extracts was tested against Anopheles stephensi, Culex quinquefasciatus, Aedes aegypti. Totally Twenty five early fourth instars larvae of Anopheles stephensi, Culex quinquefasciatus ... -
Pest Status of Black Bean Aphid on Common Beansin Agro-Ecological Zones of Western Kenya
(International Journal of Innovative Research & Development, 2017)Aphis fabae, Scopoli, is one of the important pests of beans and causes significant yield losses in Kenya. The objective of this study was to determine A. fabae incidence/severity on common bean (P. vulgaris) varieties ... -
Pesticides: Chemistry, Manufacturing, Regulation, Usage and Impacts on Population in Kenya
(Intech Open Journal, 2022-08-18)Pesticide use in Kenya plays a critical role in socio-economic development because its economy depends heavily on agriculture, which contributes to 30% of the GDP and accounts for 60% of export earnings. For agriculture ... -
Phenomenology Approach Applicability in Information Systems and Technology Field
(Horizon Research Publishing Corporation, 2020-05)Phenomenology is a research approach that is uniquely positioned to help scholars learn from the experience of others. Even though it is a powerful research approach, the nature of phenomenology is qualitatively requiring ... -
Phenotypic and Genotypic Antibiotic Resistant diarrheagenic Escherichia coli pathotypes isolated from Children with Diarrhea in Nairobi City, Kenya
(Ethiopian Journal of Health Sciences, 2020-11-01)Background: The marked genome plasticity of diarrheagenic Escherichia coli promotes emergence of pathotypes displaying unique phenotypic and genotypic resistance. This study examined phenotypic and genotypic antibiotic ... -
Phthalate Levels in Wastewater Treatment Plants of Lake Victoria Basin
(Applied Ecology and Environmental Sciences., 2021-12-16)Phthalates are examples of EDCs, which have been used as plasticizers for longtime worldwide. However, their occurrence in these environments causes adverse effects such as congenital anomalies, endocrine disruption and ... -
Physiological and Anthropometric Characteristics of Amateur Women in the Kenya Rugby Union
(Journal of Advances in Sports and Physical Education, 2020-10-16)Rugby is a team body contact sport that is popular in many countries internationally. The team involves two opposing teams trying to carry an oval shaped ball to the end of a rectangular field, while preventing the other ... -
Physiological and Anthropometric Characteristics of Amateur Women in the Kenya Rugby Union
(Journal of Advances in Sports and Physical Education, 2020-10-16)Rugby is a team body contact sport that is popular in many countries internationally. The team involves two opposing teams trying to carry an oval shaped ball to the end of a rectangular field, while preventing the other ... -
Phytochemical Analysis, Isolated Ergosta-5,7,22-triene-3?,14?-diol (22Z) and Antimicrobial Activity of Kenyan Ganoderma lucidum
(Current Perspectives on Chemical Sciences, 2021-02-06)Aims: To screen the Kenyan Ganoderma lucidum for phytochemicals, determine the chemical composition and antimicrobial activity. Study Design: Hexane, ethyl acetate and methanol extraction; phytochemical study and ... -
Phytochemical Composition and Antibacterial Activity of Fruit Extract of Solanum incanum L. against Ralstonia solanacearum
(Asian Journal of Applied Chemistry Research, 2021-10-06)Aims: To determine the phytochemical composition and antibacterial activity of Solanum incanum fruits against Ralstonia solanacearum. Study Design: Experimental design involving completely randomized design Place and ...