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Now showing items 61-70 of 75
Natural Convection with Localized Heating and Cooling on Opposite Vertical Walls in an Enclosure
(2013)
This is a numerical study of turbulent natural convection flow in a rectangular enclosure. The flow
of heat is one form of Newtonian motion. We consider natural convection in a three dimensional rectangular
enclosure in ...
To be or not to be a species: use of reproductive isolation experiments and genetic analysis to clarify the taxonomic status of two Busseola (Lepidopter a: Noctuidae) species in Kenya
(Taylor & Fr ancis, 2013)
Phylogenetic analysis combined with chemical ecology can contribute to the delimitation of closely related
insect species, particularly in Lepidoptera. In this study, the taxonomic status of a species in the genus ...
The Impacts of Broadband Internet and Related Technologies on the Value Chain of the Tourism Sector in Kenya
(University of Nairobi, 2013)
Information and communication technology (ICT) infrastructure development has been associated with impacts on gross domestic product of nation states. The arrival of the undersea fibre bandwidth in East Africa was expected ...
On almost similarity operator equivalence relation
(University of Nairobi, 2013-06)
Effects of heavy metal pollution on ω3 polyunsaturated fatty acids levels in tilapia fish from Winam Gulf of Lake Victoria
(2013)
Winam Gulf is facing major pollution threats from anthropogenic input of pollutants such as heavy metals and
agrochemical residues. This has deleterious effects on flora and fauna in the lake and consequently the quality ...
Population of predacious phytoseiid mites, Euseius kenyae (Swirski and Ragusa) on coffee treated with different soil applied fertilizers
(African Journal of Agricultural Research, 2013-09-11)
Predacious phytoseiid mites, Euseius kenyae (Swirski and Ragusa) plays a major role in management of coffee thrips and other pests such as Phytophygous mites in coffee. Their conservation under various agro-ecosystems ...
Screening for antimicrobial compounds in Gardenia volkensii fruits (Rubiaceae)
(2013)
A modified iridoid (GV2) was isolated as a yellow powder in the yield of 0.3% of the dichloromethane crude extract of Gardenia
volkensii fruits. It showed some antimicrobial activity on Escherichia coli with a Minimum ...
Cashew Volatiles Mediate Short-Range Location Responses in Pseudotheraptus wayi (Heteroptera: Coreidae)
(2013)
Pseudotheraptus wayi Brown (Heteroptera: Coreidae) is a major pest of cashew in East
Africa, but little is known about its chemical ecology. Here, we show by using behavioral assays and
chemical analysis that some ...
Indigenous Knowledge of Climatic Conditions for Sustainable Crop Production under Resource-Poor Farming Conditions Using Participatory Techniques
(University of Nairobi, 2013)
Rambuda irrigation scheme is situated in Vhembe District of Limpopo Province in South Africa. It was
established in 1952 and farmers do not have access to recorded climatic information. Farmers are growing crops
on a ...
Anthraquinones of the roots of Pentas micrantha
(2013)
Pentas micrantha is used in the East African indigenous medicine to treat malaria. In the first investigation of this plant, the crude methanol root extract showed moderate antiplasmodial activity against the W2- (3.37 ...