Now showing items 4721-4730 of 12189
Susceptibility and resistance to insecticides among malaria vector mosquitoes in Mozambique.
Insecticide resistance in malaria vector mosquitoes reduces the efficacy of insecticide in killing and can therefore cause a major problem for malaria vector control by insecticides. In Mozambique, pyrethroid resistance ...
An audit of veterinary waste management in Durban.
Since 1994, there have been sweeping changes made to South African policy and legislation, including environmental rights for all people, environmental protection and the consideration of sustainability in all activities. ...
The effectiveness of land public passenger transport in the Johannesburg metropolitan area : a particular emphasis to bus passenger pubic transport customer service delivery excellence perspective.
The South African Public Transport System plays an important role in the development of the economy in the country and in the region as a whole. Without an effective and efficient public transport system, the country's ...
Design and implementation of a thyristor controlled series capacitor for research laboratory application.
The power transfer capability of a transmission line is determined by the magnitude of the voltage at each end of the line, angle difference of these voltages and the impedance of the line. This impedance is mainly inductive. ...
Molluscicides and other compounds from indigenous plants.
The use of plants with molluscicidal properties IS a simple, inexpensive and appropriate technology for focal control of the snail vector. Isolation and identification of the active constituents is essential for the study ...
One man one megawatt : one woman one candle : women, gender and energy in South Africa, with a focus on research.
No abstract available.
An investigation into a lower temperature and low cost direct reduction process for iron-making.
The blast furnace process for the reduction of iron ore to pig iron faces problems such as emission of air pollutants, high investment cost and the current major problem of decreasing supplies of coke. Coke is used ...
Nature and characteristics of tropospheric ozone over Johannesburg.
The aim of this thesis is to examine the nature and characteristics of tropospheric ozone over Johannesburg, South Africa. Ozone, water vapour and meteorological profile data, which form part of the MOZAIC (Measurement ...
The use of soft systems thinking as a process of inquiry to identify a relevant system to facilitate the change process of tourism education and training a tertiary institution in KwaZulu-Natal.
Tourism is globally rated as the World's biggest industry by gross domestic product. In South Africa it is hoped that the tourism industry will show growth that will positively affect the economy of the country. In particular, ...
Informal communities and their influence on water quality : the case of Umlazi.
Water is the most important resource which is essential for sustaining all life forms, since without it, life cannot exist and industry cannot operate. However, increasing concern is being expressed at the rate of degradation ...