School of Biological and Physical Science: Recent submissions
Now showing items 281-300 of 949
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Investigation of long acoustic waveguides for the very low frequency characterization of monolayer and stratified air-saturated poroelastic materials
(Elsevier, 2021)When sound propagates in a porous medium, it is attenuated via several energy loss mechanisms which are switched on or off as the excitation frequency varies. The classical way of measuring acoustic energy loss in porous ... -
Growth and Gas Exchange Responses of Maize and Banana Plants in an Intercrop with Agroforestry Tree Species in Vihiga County, Kenya
(Asian Journal of Research in Crop Science, 2021)Agroforestry trees have been reported to improve soil fertility through nitrogen fixation, coupled with leaves and twig decomposition. High human population pressure in Vihiga County has led to reduced land area under ... -
Determinants of revenue management practices and their impacts on the financial performance of hotels in Kenya: a proposed theoretical framework
(SpringerOpen, 2021)This conceptual paper aims at identifying a theoretical framework for the determinants of revenue management (RM) practices and their impacts on the financial performance of hotels. To create this framework, a two-phased ... -
Developing a livelihood: conservation model for the Kakamega Forest region, Kenya using experiences from Berchtesgaden National Park, Germany
(Routledge, 2021)Active participation of local community of Kakamega Forest in conservation has rather been elusive. Conservation efforts directed at the Forest have resulted into more resource use restrictions instead of access. Furthermore, ... -
Environmental management practices implemented by the hotel sector in Kenya
(Routledge, 2021)Environmental management has become an important concept among the hotel sector globally following the negative impacts of its operations on the natural environment. In this regard, hotels have embarked on a course of ... -
Association Between Visual Acuity, Ocular Pathology and Refractive Error with Computer Vision Syndrome: Cross Sectional University Study in Kenya
(Research squire, 2020)Background: Numerous factors have been shown to reduce symptomatic and non-symptomatic forms for computer vision syndrome. However, little is known on the impact among computer users diagnosed with severe symptoms of ... -
Longitudinal Trajectories of Four Domains of Parenting in Relation to Adolescent Age and Puberty in Nine Countries
(Child development, 2021)Children, mothers, and fathers in 12 ethnic and regional groups in nine countries (N = 1,338 families) were interviewed annually for 8 years (Mage child = 8–16 years) to model four domains of parenting as a function of ... -
Four Domains Of Parenting In Kenya
(Routledge, 2021)The goals of this study were to track changes in parental warmth and rules/limit-setting over time and to examine parents’ age at the time of their child’s birth, parents’ education, and child gender in relation to changes ... -
Effect of nitrogen application on the expression of drought-induced root plasticity of upland NERICA rice (vol 22, pg 180, 2019)
(TAYLOR & FRANCIS LTD, 2020)This study evaluated the effect of three N fertilization levels 60 (low), 120 (medium), and 180 (high) kg N ha−1 and soil moisture content gradients created by a line-source sprinkler on the expression of plasticity in ... -
Ecosystem productivity and CO2 exchange response to the interaction of livestock grazing and rainfall manipulation in a Kenyan savanna
(Environmental and Sustainability Indicators, 2021)Savanna ecosystems in Kenya are experiencing altered rainfall amount and increased grazing pressure. These environmental alterations occur simultaneously and impact on productivity and CO2 exchange of the savanna in unclear ... -
New compounds with antimicrobial activities from Elaeodendron buchananii stem bark
(Journal of Asian Natural Products Research, 2018)The plant species Elaeodendron buchananii Loes is widely used in folklore medicine to manage microbial infections in Kenya. Previous studies on the plant fruits and root bark revealed the presence of steroids and ... -
An Assessment of the Viability and Potential of Bamboo Micro Enterprises in Environmental Conservation and Poverty Alleviation in Nairobi City, Kenya
(Maseno University, 2010)Nairobi, Kenya‟s capital city has undergone rapid urbanization which has been associated with a number of development challenges. Key among these challenges is deterioration in urban environment and urban poverty. Bamboo ... -
Face attack and patients’ response strategies in a Kenyan hospital†
(Journal of social linguistics, 2010)Social power can be exercised by face attack where power differentials are sufficiently great and significant retaliation or sanctions are unlikely. Such exercise of social power is common in military contexts. It is not ... -
Sorghum and Salinity II. Gas Exchange and Chlorophyll Fluorescence of Sorghum under Salt Stress
(Wiley.com, 2004)Photosynthetic activity decreases when plants are grown under saline conditions leading to reduced growth and productivity. Leaf growth, gas exchange, and chlorophyll fluorescence of two sorghum [Sorghum bicolor (L.) Moench] ... -
Toward a size scale-up cold sintering process at reduced uniaxial pressure
(Journal of America ceramic library, 2019)Cold sintering is a low-temperature powder process methodology that enables the densification of ceramics and ceramic-based composites at significantly reduced times and temperatures. Although the general notion of required ... -
Sickle cell trait is not associated with endemic Burkitt lymphoma: An ethnicity and malaria endemicity-matched case–control study suggests factors controlling EBV may serve as a predictive biomarker for this pediatric cancer
(International Journal of Cancer, 2013)Endemic Burkitt lymphoma (eBL) is associated with Epstein–Barr virus (EBV) and Plasmodium falciparum coinfections. Malaria appears to dysregulate immunity that would otherwise control EBV, thereby contributing to eBL ... -
Influence of rainfall amount and livestock grazing on soil respiration in a moist Kenyan savannah
(African Journal of Ecology, 2019)The influence of livestock grazing and changing rainfall patterns on soil respiration (Rs) in the tropical savannah in Lambwe is unclear. Measurements of Rs using chambers were conducted between June and November 2012 in ... -
Microstructural and Elastic Properties of Stable Aluminium-rich TiAl and TiAl2 Formed Phase Intermetallics
(North-Holland, 2021)We studied aluminium-rich Ti-Al (Ti32Al68 and Ti40Al60) binary alloys that were composed of TiAl and TiAl2 lamellar microstructures. The law of mixtures was employed in calculating the theoretical Young’s moduli. The lattice ... -
Kenya’s response to the COVID-19 pandemic: a balance between minimising morbidity and adverse economic impact
(African Academy of Sciences, 2021)Coronavirus disease 2019 (COVID-19) has ravaged the world’s socioeconomic systems forcing many governments across the globe to implement unprecedented stringent mitigation measures to restrain its rapid spread and adverse ... -
Phytochemical Analysis of Pyrethrum Plant Extract and its Anti-Aphid Effect On African Nightshades (Solanum Scabrum Mill)
(EAS Journal of Biotechnology and Genetics, 2021)African nightshades (Solanum scabrum) are one of indigenous vegetables widely consumed in Kenya. Yield losses due to aphids are estimated to about 84-96% in Kenya. Aphids have developed resistance to synthetic pesticides. ...
