Author:Maliage, M; Roos, THDate:May 2012The purpose of this paper is to validate SolTrace for concentrating solar investigations at CSIR by means of a test case: the comparison of the flux distribution in the focal spot of a 1.25 m2 target aligned heliostat predicted by the ray ...Read more
Author:Zoorob, SE; Mturi, George AJ; Sangiorgi, C; Dinis-Almeida, M; Habib, NZDate:Jan 2018he concept of temperature shift factor (aT) as defined by Doolittle, relating the free volume of a viscoelastic material at the current and reference states is briefly examined together with the resultant William-Landel-Ferry equation. This ...Read more
Author:Van der Walt, GHJ; Van Rensburg, NJJDate:May 1985Different cotton fabrics, ranging from 91 to 330 g/m, were foam-dyed on a laboratory scale FFT machine using various reactive dyes.Read more
Author:Banerjee, F; Ray, Suprakas SDate:Aug 2020Foaming of thermoplastics is an area of significant research interest. The substitution of any solid polymer with its foamed counterparts not only results in the lowering of material and fuel consumption but also enhances the scope of tailoring ...Read more
Author:Smith, RDate:Nov 2015The main purpose of the extended project is to identify and investigate the aspects that will encourage elderly women in rural areas to use the ICT platform, and to determine what the physical design, content and applications should look like ...Read more
Author:Ndwe, TJ; Dlodlo, ME; Kuun, C; Sharma, AditiDate:2008The OpenPhone system is a health information system that is developed to cater for the information needs of caregivers who are caring for HIV/AIDS infected children in Botswana, southern Africa. The system is accessible via an Interactive ...Read more
Author:Godfrey, Linda KDate:Aug 2007Acid mine drainage (AMD) is formed when the mineral pyrite comes into contact with
oxygen and water, producing elevated sulphate, metal and acidity concentrations. Biological sulphate removal technology can be used to treat AMD, using cost ...Read more
Author:Godfrey, Linda KDate:Aug 2007A healthy population is seen as an important precondition for economic growth and competitiveness. Research into environmental health is therefore concerned with understanding the exposure and magnitude of impact on humans from environmental ...Read more
Author:Greben, HDate:Aug 2007Acid mine drainage (AMD) is a common result of mining activities caused by bacterial oxidation of sulphide minerals (pyrite) that results in sulphate rich waste water. AMD can be treated biologically in the presence of sulphate reducing ...Read more
Author:Godfrey, Linda KDate:Aug 2007Research into integrated waste management is undertaken in view of the impact of increasing populations and a strong national focus on industrial, agricultural and urban growth that is likely to result in the increase of human induced pressures ...Read more
Author:Steyn, MaronelDate:Aug 2007Lack of access to proper water, improved sanitation and hygiene, is the main risk factor attributable to diarrhoeal-related disease in the country. Of the 48 million people in South Africa, approximately 3.3 million people still lack access ...Read more
Author:Greben, HDate:Aug 2007The biological sulphate removal technology requires carbon and energy sources to reduce sulphate to sulphide. Plant biomass, e.g. cut grass, is a sustainable source of energy when cellulose is utilised in the anaerobic degradation to produce ...Read more
Author:Turton, ADate:Aug 2007All mines have a finite lifespan. In the past South African mines were often simply abandoned when the ore was finished, with little consideration for post-mining environmental conditions. The consequences of this approach, both in terms of ...Read more
Author:Roux, DDate:Aug 2007The key capabilities of systematic conservation of freshwater biodiversity are as follows;
Cross-sectoral engagement of biodiversity specialists and practitioners in developing policy objectives, setting conservation targets and debating ...Read more
Author:Claassen, MariusDate:Aug 2007The promulgation of the National Water Act, 1998 (NWA, Act No. 36 of 1998), various other acts, policies and White Papers gave a new direction to water resources management and specifically management of water quality in South Africa. In terms ...Read more
Author:Leaner, JDate:Aug 2007Mercury pollution is a world-wide problem requiring attention at global, regional and national levels. Various anthropogenic activities release mercury into the atmosphere. It can occur as both elemental and oxidized forms, and is removed ...Read more
Author:Roux, DDate:Aug 2007This report forms the river component of the National Spatial Biodiversity Assessment, which focuses on spatial conservation assessments for South Africa’s terrestrial, river, marine, estuarine and wetland ecosystems. The results presented ...Read more
Author:Godfrey, Linda KDate:Aug 2007The Pollution and Waste Group of the CSIR specialises in the development of practicable treatment solutions for waste and wastewater arising from numerous industrial sectors. The group’s objective is to resolve potential pollution problems ...Read more
Author:Hill, LieslDate:Aug 2007In South Africa water is a scarce and precious commodity and efficient management of our water resources has a direct bearing on our standard of living and economic benefit. In the early 90s the Department of Water Affairs and Forestry initiated ...Read more