Author:Funchall, DM; Herselman, Martha E; Van Greunen, DDate:Oct 2008The South African Government, in line with international thought, recognises the potential of the contribution of SMME’s to the overall economy of the country. Government and the private sector have introduced agencies and operations to support ...Read more
Author:Khoza, N; Grove, T; Moraba, T; Schutte, PCDate:Aug 2009This presentation presents the major literature review findings on occupational silica dust exposure of workers in the non-mining industries/sectors. An overview of silica and silicosis is given, and ways of eliminating the disease are ...Read more
Author:Edwards, ADate:Apr 2012The aims of this study is to evaluate the prevalence of workplace stress among mineworkers in South Africa; to identify mineworkers that are at risk of workplace stress and to evaluate the use of translated self-report questionnaires and ...Read more
Author:Funke, Nicola S; Nortje, KarenDate:31 Mar 2013The Upper Olifants Key Stakeholder Workshop took place at the CSIR Knowledge Commons on 26 February 2013. The workshop participants included representatives from national government, provincial government, local government, mining, industry, ...Read more
Author:York, GDate:Mar 2000After a mini-survey on the structure and content of the workshops, it was decided that a overhead/electronic presentation of the engineering rationale / principles established in SIMRAC project GAP334 should be presented in conjunction with ...Read more
Author:Maistry, Nattele; Schutz, Robert A; Cox, EttienneDate:Nov 2017Polluted or broken insulators and faulty connections on power lines induce corona and thermal (heat) radiation. The corona and heat build-up causes long term degradation of the high voltage electrical components, which leads to voltage drops, ...Read more
Author:Swanepoel, H; Oelofse, Suzanna HH; Schubert, M; Sehaswana, DDate:Oct 2012Developing a waste information baseline for South Africa, without doing primary data collection, proved to be an enormous task. The project team had to ensure that all available data, whether being reported or not, were collected. This process ...Read more
Author:Muswema, Aubrey PDate:Oct 2012Small business, including small, medium and micro-sized enterprises (SMMEs), is seen as the corner stone of economic development in South Africa, with reported contributions of up to 42% to the Gross Domestic Product (GDP). The South African ...Read more
Author:Muswema, Aubrey PDate:Oct 2012Integrated Waste Management Planning (IWMP) was recognised as a short-term strategy initiative for the public and private sector in the National Waste Management Strategy as far back as 1999 (DEAT, 1999). Ten years later, through the Waste ...Read more
Author:Smit, JC; Cilliers, Jacques E; Baker, CJ; Hanekom, JJDate:May 2008Radar measurements of a radar calibration sphere test target suspended in sea surface multipath propagation conditions are reported. Wideband measurements together with high range resolution (HRR) processing were employed to resolve the direct ...Read more
Author:Moloantoa, JR; Rammutla, KE; Mosuang, TE; Erasmus, RM; Hillie, KTDate:Jul 2011Au and Pt doped TiO2 nanocrystlas were prepared using the sol gel method. Diffuse Reflectance Spectroscopy (DRS) was used to study the characteristics of these precious metals and X-ray diffraction (XRD) with calculated lattice parameters was ...Read more
Author:Sefara, Tshephisho J; Modupe, AbiodunDate:Nov 2019The impressive improvement in performance obtained using neural networks for automatic speech recognition (ASR) have motivated the application of neural networks to other speech technologies such as speaker, emotion, language, and gender ...Read more
Author:Beyers, RDate:Apr 2007The Young Engineers of South Africa Programme (YESA) also endorses the e-Education and the Science and Technology White Papers. The main focus area will be on Information Communication Technologies (ICT) in education and the way that they can ...Read more
Author:Mphahlele, NDate:Sep 2010The main aim of this presentation is to show the improvement in cell performance and the long term stability of DSCs by utilizing dye (metallophthalocyanines) that absorb light at Visible region, integrated with carbon nanotubes to increase ...Read more
Author:Thwala, Melusi; Musee, N; Wepener, VDate:Sep 2012The authors present evidence of free radical activity and resultant anti-oxidative defence in Spirodela plants after exposure to 0.01-1000 mg/L of ZnO and Ag nanoparticles (NPs) over 96-h and 14-d. The quantification of reactive nitrogen and ...Read more
Author:Thwala, Melusi; Musee, N; Wepener, VDate:Sep 2012The authors present evidence of free radical activity and resultant anti-oxidative defence in Spirodela plants after exposure to 0.01-1000 mg/L of ZnO and Ag nanoparticles (NPs) over 96-h and 14-d. The quantification of reactive nitrogen and ...Read more