Browsing Journal Articles (PAS) by Title
Now showing items 114-133 of 259
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Effects of Temperature on Ilmenite During Concentration of Iron in Laterites Using Charcoal and Separation using Magnetic Separation
(International Journal of Scientific Engineering and Technology, 2014)Effect of temperature on ilmenite minerals found in laterites has been investigated. It was found that during reduction of iron minerals in laterites to magnetite using charcoal at temperatures of about 500-700oC, ... -
Effects of Zeolite X on Dissipation of Hexazinone from Agricultural Waste Waters in Western Kenya
(2013-10)Dissipation of hexazinone in Zeolite X treated wastewater followed pseudo first-order kinetics giving a calculated half-life of 41 days compared to a half-life of 144 days in untreated wastewater. The herbicide degraded ... -
Effects of zeolites X and Y on the degradation of malathion in water
(Science Publishing Group, 2013-04)The inclusion of both zeolites X and zeolite Y significantly affected the dissipation of malathion in water. In the fresh water, malathion degradation followed a pseudo-first order kinetics with concomitant half-life ... -
Environmental Communication: A Review of Information Sources and Communication Channels for Enhanced Community-Based Natural Resource Management in the Greater Mara Region of Kenya
(Sage Publications, 2013)The Mara-Serengeti is an ecosystem of immense importance to both Kenya and Tanzania, contributing significantly to the economies of both countries and forming a rich biodiversity reservoir. This ecosystem is among the most ... -
Epidemiological patterns of Rift Valley Fever from diverse habitats during an extreme unprecedented flooding of Lake Baringo basin, Kenya, 2012-2013
(East African Journal of Science, Technology and Innovation, Vol. 2 (3): June 2021, 2021)Mosquitoes’ ecology and associated arboviruses are heavily influenced by precipitation and retention of water in the environment. In 2011 and 2014, unprecedented floods occurred in Lake Baringo basin inundating approximate ... -
Evaluation of Warburgia ugandensis Extracts and Compounds for Crop Protection against Prostephanus truncates
(2020-11)Insect pests cause a significant loss of maize production in Africa. Maize weevil (Sitophilus zeamais Motchulsky) and the larger grain borer (Prostephanus truncatus Horn) are the most destructive insect pests of maize. ... -
An expert-curated global database of online newspaper articles on spiders and spider bites
(Scientific Data, 2022)Mass media plays an important role in the construction and circulation of risk perception associated with animals. Widely feared groups such as spiders frequently end up in the spotlight of traditional and social media. ... -
Extended Cox Model on Duration Taken to Release Cargo at Kenyan Border Entry Point: A Case Study of Malaba Osbp
(Science and Education Publishing, 2020-11)Duration taken to release cargo is one of World Customs Organisation’s most significant instruments of measuring trade facilitation. It is a way of reviewing clearance procedure by measuring the time taken to release cargo ... -
Facile Removal of Phenol from Aqueous Solution Using Modulated Cornstarch Impregnated With Triethanolamine as Adsorbent: Sorption Isotherms and Kinetics
(2022-08)Background: The sources of phenolics pollutants in water are mainly pharmaceutical and chemical industries. The compounds are carcinogenic, cytotoxic, mutagenic and teratogenic even at modest concentrations. These health ... -
FACTORIZATION OF LARGE COMPOSITE INTEGER
(International Journal of Mathematics and Statistics Studies, 2013)In this paper we practically deal with the problem of factorizing large integers. The various algorithms that have been proposed are not efficient that is they do not run in polynomial time. We use the algebraic approach ... -
Factors Affecting Kenya Alpine Dairy Goat Milk Production in Nyeri Region
(2014-11-06)In Kenya use of exotic dairy goats in breeding programmes for smallholder production systems has become popular, but information on the milk production is scarce. A study was carried out to assess the milk yield of dairy ... -
THE FIRST GALLIENIELLIDAE (ARANEAE) FROM EASTERN AFRICA
(Bio One, 2002)Toxoniella, a new genus of Gallieniellidae is described from forest remnants on the Taita Hills in Kenya. The genus is characterized by legs with well developed spination, the male palp with posterior tegular extension not ... -
Flavonol glycosides with insecticidal activity from methanol extract of Annona mucosa Jacq. leaves
(2019-12)Three flavonoids, quercetin 3-O-β-D-glucoside (1), quercetin 3-O-α-Darabinoside (2) and kaempferol 3-O-β-D-galactoside (3) were isolated from the methanol extract of the leaves of Annona mucosa Jacq. Their structures were ... -
Flavor Stability of High-Oleic Peanuts Stored at Low Humidity
(2001-08)Shelf-life studies were conducted on roasted high-oleic peanuts (HOP; F1250, BC93Q10) and a reference peanut with normal oleic acid content (NOP, Florunner). HOP contained at least 80% oleic acid and 3% linoleic acid, ... -
Food and Feeding Habits of Juvenile Oreochromis leucostictus Trewavas (Teleostei=Cichlidae) in lake Naivasha and Oloidien, Kenya
(1998-04)An eight month-study (July, 1990 to February, 1991) was conducted at five different littoral habitat types of Lakes Naivasha and Oloidien, Kenya, to examine variations in dietary composition of juvenile Oreochromis ... -
Food and Macronutrient Intake of Elite Kenyan Distance Runners
(Human Kinetics Publishers, 2004-12)The food and macronutrient intake of elite Kenyan runners was compared to recommendations for endurance athletes. Estimated energy intake (EI: 2987 ± 293 kcal; mean ± standard deviation) was lower than energy expenditure ... -
Food insecurity, a perceived barrier to healthy eating in the Lake Victoria Region, Kenya: Findings from a qualitative study
(2022-09)Consumption of poor-quality diets was noted as prevalent in the Lake Victoria Region, Kenya. As a strategy to communicate desirable change and promote healthy eating in the region, a 30-member panel of policymakers and ... -
Frequency and Pattern of All Cancer Cases at Thika Level Five Hospital in Kiambu County, Kenya
(2020-10)Aims: To determine the frequency and pattern of cancer cases and provide baseline for the establishment of a cancer registry based on calculated incidence rates, prevalence, and morbidity of cancer cases. Study Design: ...