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Now showing items 51-60 of 115
Application of lie group methods to certain partial differential equations
(2012)
In the first part of this work, two nonlinear partial differential equations, namely, a
modified Camassa-Holm-Degasperis-Procesi equation and the generalized Kortewegde Vries equation with two power law nonlinearities are ...
Quality of service evaluation of video transmission over next generation networks
(North-West University, 2012)
The limitation of bandwidth for multimedia applications in NGNs such as voice and video
telephony along with the increasing number of applications on the Internet, service
classification and efficient resource management ...
Evaluation of soil to plant transfer factors of naturally occurring radioactive materials (norms) in some vegetables
(North-West University, 2012)
Investigating morphological changes in fish tissue, due to the presence of persistent organic pollutants and metals
(North-West University, 2012)
Levels of selected metals and persistent organic pollutants (POPs) were investigated in sediment and fillet tissue of the sharptooth catfish (Clarias gariepinus), from sites along the Orange-Vaal River system, South Africa. ...
Diversity and characteristics of yeasts in water sources of the North West Province
(North-West University, 2012)
Yeasts form an important part of many ecosystems and significantly contribute to biodiversity. However, yeast biodiversity in the North West Province remains largely unexplored. The aim of this study was to determine the ...
An electrochemical study of the oxidation of platinum employing ozone as oxidant and chloride as complexing agent
(North-West University, 2012)
Motor car exhaust catalysts are some of the most important users of platinum, and much attention is given to the recycling of scrap platinum from spent exhaust systems. The dissolution of platinum from waste exhausts was ...
The relationships between leisure–time physical activity and health related parameters in executive employees of selected African countries
(North-West University, 2012)
Leisure-time physical inactivity is a global public health concern affecting all people in different walks of life, including employees. This inactivity is associated with chronic diseases of lifestyle as well as low work ...
The merit of environmental impact assessment for civil engineers in South Africa
(North-West University, 2012)
Environmental Impact Assessment (EIA) has been successfully adopted in South Africa in line with international trends. A number of international scholars found that EIA offers distinct advantages to a proposed project ...
Effects of cooperative governance in the sewage treatment works in the upper Vaal River
(North-West University, 2012)
The Upper Vaal Water Management Area (Upper Vaal WMA) lies in the eastern interior of South Africa. This WMA includes the Vaal, Klip, Wilge, Liebenbergsvlei and Mooi Rivers and extends to the confluence of the Mooi and ...
An analysis of the operational value of the environmental management systems (ISO14001:2004) implemented at selected underground platinum mines in South Africa
(North-West University, 2012)
ISO 14001 is the specification and guideline providing the framework for the establishment of the EMS. It was first published in September 1996 and updated in November 2004. It was developed by ISO, a Geneva-based NGO that ...