Author:Weideman, E; Van Rensburg, NJJDate:Feb 1982The effect of electroflotation using aluminium electrodes on the C.O.D., D.O.C and colour values of liquors containing acid, disperse, mordant and basic dyes in the presence and absence of wool grease was investigated.Read more
Author:Smith, Andrew CDate:Mar 2009In this document the author reports on research done in the field of Embedded Interaction as well as events at which the public was exposed to this research. The author also reports on the dissemination of the research results, being mostly ...Read more
Author:Wright, CDate:Feb 2011BHP Billiton Mozambique Aluminium Smelter (MOZAL) experienced structural damage to the Fume Treatment Centre (FTC) caused by unanticipated corrosion. As a result MOZAL was in the process of rebuilding the FTC, an exercise that entailed a ...Read more
Author:Mthunzi-Kufa, Patience; He, K; Ngcobo, Sandile; Warner, JWDate:Feb 2014Literature reports graphene, an atomic-thick sheet of carbon atoms as one of the promising biocompatible scaffolds that promotes cellular proliferation in human mesenchymal stem cells. On the other hand, different mammalian cell lines including ...Read more
Author:Scott, DFDate:2000Certification has been responsible for a very large improvement in the standard of forest management in South Africa. The reasons for the positive role of certification are set out briefly below. Firstly, and most importantly, certification ...Read more
Author:Ecosystem ProgrammesDate:Dec 1982The National Programme for Environmental Sciences is a cooperative undertaking of scientists and scientific institutions in South Africa concerned with research related to environmental problems. This annual report describes the rationale, ...Read more
Author:Prozzi, JA; Sanders, PJ; du Toit, GD; De Beer, MorrisDate:26 May 2009This report describes a new methodology for the determination of Equivalent Damage Factors (EDFs) of vehicles with multiple axle and wheel configurations on pavements. The basic premise of this new procedure is that "equivalent pavement ...Read more
Author:Gass, BG; Ventura, DFC; De Beer, MorrisDate:Mar 1993The use of stabilised layers is cost effective in road construction in South Africa. Some stabilised materials have however been found to be susceptible to erosion. To identify erodible materials the Erosion Test was developed in 1989. ...Read more
Author:Schutte, ICDate:Mar 2000Road traffic collision result in both human loss and cost to the company. Government and other role players addressing this problem require reliable information on the cost of collisions to the economy. Collisions costs are also used in the ...Read more
Author:Erasmus, TC; Du Plessis, HSLDate:1963The objective of the report was to ascertain the order of the residence time distribution within the Drewboy washer.Read more
Author:Vogel, F; Steyn, WJvdMDate:Mar 2000The report focuses on aspects such as possible wireless data transmission, standardization and mesurement methodologies and sensor technology. Various avenues are explored for the development of sensors while new emerging technologies that ...Read more
Author:Hemp, DADate:May 1992This report is concerned with the analysis data from three sites during mining with and without backfill, in order to determine the effect that backfill on regional seismicity. Since the geology and stress fields in any two areas used for ...Read more
Author:Von Woff, WTEDate:1978In the last few years there has been a growing interest in the reactivity of low temperature coke and char towards carbon dioxide. The equation of Hedden, derived for the calculation of the reactivity of metallurgical coke containing negligible ...Read more
Author:Funke, Nicola S; Shaxson, L (ed); Bielak, AT (ed)Date:Mar 2009This handbook summarises the background behind, format of and lessons learned from a Collaborative Workshop on Evidence-based Policy-making that was held in November 2008. The workshop was organised by CSIR and funded by the UK's Department ...Read more
Author:Maneylaws, A; Norman, G; von Glehn, FHDate:Dec 1997An extensive literature review of international work of mining equipment noise control has been carried out. The sources of noise on percussion rock drills, continuous miners, dust scrubbers and fans, long wall machinery and trackless vehicles ...Read more
Author:Mitchell, MF; Semmelink, CJ; McQueen, ALDate:Jun 1977For some time road engineers have been concerned that the variability inherent in road construction materials and their sampling and testing has not been logically and consistently catered for in the road construction process or in construction ...Read more
Author:Erasmus, TCDate:1962The raw coal brought to the plant was reduced to minus three inches. The minus coal was passed over screens to eliminate minus 1/4 inch fines and -3 inch +1/4 inch coal was stored in service bunkers in the pilot plant building.Read more
Author:Erasmus, TC; Du Plessis, HSLDate:1963The raw coal brought to the pilot plant was reduced to minus three inches. The minus three inch coal was passed over screens to eliminate minus 1/4 inch fines.Read more