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Now showing items 11-20 of 47
Abstractions for designing and evaluating communication bridges for people in developing regions
(ACM, 2010)
This paper describes two novel abstractions that help soft- ware engineers work in developing regions to align social and technical factors when building communication systems. The abstractions extend two concepts familiar ...
ICT and information security perspectives in E-Health Systems
(Medwell Journals, 2010)
This study examines issues pertinent to the rapidly evolving use of information as a currency of modern economies. Access to information has important benefits that can be achieved in many areas including, social-economic ...
A novel approach integrating ranking functions discovery, optimization and infernce to improve retrieval performance
(Medwell Journals, 2010)
The significant roles play by ranking function in the performance and success of Information Retrieval (IR) systems and search engines cannot be underestimated. Diverse ranking functions are available in IR literature. ...
Use of coal fly ash as a catalyst in the production of biodiesel
(Slovnaft VÚRUP, 2010)
South Africa is largely dependent on the combustion of coal for electricity production; Eskom’s coalfired
power stations consume approximately 109 million tons of coal per annum, producing around 25
million tons of ash, ...
Risk factors of preterm delivery of low birth weight (plbw) in an African population
(Academic Journals, 2010)
More than 20 million infants in the world (15.5% of all births) are born with low birth weight. Ninety-five
percent of them are in developing countries. The objective of this study was to examine different factors
which ...
Life at the margins of the continents: an examination of the intertidal marine life of the south Western Cape
(Field Guides Association of Southern Africa, 2010)
Imagine surviving in an environment that is neither truly marine nor truly terrestrial. That area just beyond the low-water mark of neap tides along the seashore is an example of just such an environment. The organisms ...
Components for PEM fuel cells: An overview
(Trans Tech Publications, 2010)
Fuel cells, as devices for direct conversion of the chemical energy of a fuel into
electricity by electrochemical reactions, are among the key enabling technologies for the transition
to a hydrogen-based economy. Among ...
Text Messaging a tool in e-Health services
(Telkom, 2010)
HIV/AIDS continues to be a menace to the
global community, especially in sub-Saharan Africa and
South Africa is not an exception. The infection rate is
continues to grow, in particular, among the young adults.
Cell ...
Characterisation of the arsenic resistance genes in Bacillus sp. UWC isolated from maturing fly ash acid mine drainage neutralised solids
(Academy of Science of South Africa, 2010)
An arsenic resistant Bacillus sp. UWC was isolated from fly ash acid mine drainage (FA-AMD)
neutralised solids. A genomic library was prepared and screened in an arsenic sensitive mutant
Escherichia coli strain for the ...
A new species of Magelona (Polychaeta: Magelonidae) from southern Namibia
(Iziko Museums of Cape Town, 2010)
A new species of Magelonidae, Magelona debeerei sp. nov., is described and illustrated from grab-samples collected at <100moff the southwest coast of Africa. Magelona debeerei sp. nov. has previously been identified from ...