Author:Wall, K; Bhagwan, JDate:Sep 2011In an effort to improve the cleaning and maintenance of water and sanitation infrastructure in South Africa, an innovative franchising approach is being piloted at 400 schools, improving not only sanitation facilities, but also health and ...Read more
Author:Turton, AR; Schultz, C; Buckle, H; Kgomongoe, M; Malungani, T; Drackner, MDate:Jun 2006Johannesburg is an unusual city because it is one of the few major cities of the world that does not lie on a river, a lake or a seafront. Since the discovery, of gold in 1886, Johannesburg has grown from a dusty mining town to a major urban ...Read more
Author:Leuta, T; John, J; Wright, CDate:Feb 2012According to a World Health Organisation (WHO) survey, scientific evidence on the associations between housing and health has grown over recent years. In spite of this knowledge, housing and construction standards are still governed by technical ...Read more
Author:Burmeister, O; Phahlamohlaka, Letlibe J; Al-Saggaf, YDate:2015Good governance from an ethical perspective in cyberdefence policy has been seen in terms of duty and consequentialism. Yet the negotiated view of virtue ethics can also address how nation states mitigate the risks of a cyber attack to their ...Read more
Author:Pretoria NewsDate:27 Aug 2008The head of the CSIR safety and security competency area, Dr Barend Taute, says that about 10 years ago the CSIR considered what could be done about crime in South Africa. They established a crime prevention centre which eventually became the ...Read more
Author:Meissner, Richard; Ramasar, VDate:Oct 2015Everyday international political economy (EIPE) offers an opportunity to rethink the role of individuals and citizenry in shaping governance of natural resources. In South Africa, significant progress has been made by government in re-shaping ...Read more
Author:Nabarro, FRNDate:Aug 2000If a stress sigma is applied to a polycrystal of grain size L, the mode of creep deformation depends on the answers to the following questions: (i) Does sigma exceed the Peierls stress sigma (p); (ii) Does L exceed the dislocation spacing in ...Read more
Author:Bolokang, Amogelang S; Mathabathe, Maria N; Motaung, DE; Arendse, CJ; Swart, HCDate:Mar 2023We report on the microstructures and properties of Ti6Al4V alloys, which were achieved upon quenching in sea water medium with potential high cooling rate. The Ti6Al4V alloys were quenched at 1000 and 1100 °C, respectively. Moreover, the ...Read more
Author:Nelles, EM; Dewar, J; Van der Merwe, CF; Taylor, JRNDate:Feb 2003Maize starch granule integrity and starch solubilisation at specific intervals during a relatively long pasting profile-which is known to exhibit biphasic peak viscosity character-was studied by microscopy and high-performance size-exclusion ...Read more
Author:Makgopa, K; Ejikeme, PM; Ozoemena, KIDate:Sep 2016Pseudocapacitive properties of nickel (II) tetraaminophthalocyanine-modified graphene oxide sheets (GO/NiTAPc) composites have been studied. Microscopic and spectroscopic analysis of the GO/NiTAPc electrode material with its precursors (GO ...Read more
Author:Brady, D; Dube, N; Petersen, RLDate:Sep 2006The application of highly substrate-specific catalysts, such as biocatalysts, can reduce the number of synthetic steps required to generate organic compounds. A wide range of bacteria and yeast cultures were enriched on nitriles as the sole ...Read more
Author:Johakimu, Jonas K; Bush, T; Lucia, LDate:Feb 2011The effect of green liquor pre-treatment (GLP) on Kraft pulping of Pinus Patula has been investigated. Wood chips were pre-treated with green liquor, and subsequently subjected to Kraft pulping to achieve a target Kappa number of 65-70. The ...Read more
Author:Ittmann, HDate:Jan 2011This article is not a comprehensive overview of green logistics. What it endeavours to do is to sensitise, in a very summarised way, those involved in logistics and supply chain management about the importance of green logistics and to highlight ...Read more
Author:Scholes, RJ; Van der Merwe, Martina RDate:May 1996South African greenhouse gas emissions contributed about 1.2% to the global increase in the greenhouse effect in 1988. South Africa generated trace gases with a radiation absorption potential over a 20-year period equivalent to 534 million ...Read more
Author:Jagarnath, M; Thambiran, TirushaDate:Aug 2017Because current emissions accounting approaches focus on an entire city, cities are often considered to be large emitters of greenhouse gas (GHG) emissions, with no attention to the variation within them. This makes it more difficult to ...Read more
Author:Nickless, A; Ziehn, T; Rayner, PJ; Scholes, RJ; Engelbrecht, FDate:May 2014This is the second part of a two-part paper considering network design based on a Lagrangian stochastic particle dispersion model (LPDM), aimed at reducing the uncertainty of the flux estimates achievable for the region of interest by the ...Read more