Author:Godfrey, Linda K; Strydom, W; Muswema, Aubrey P; Oelofse, Suzanna HH; Roman, H; Mange, MDate:Oct 2014The South African waste sector survey for 2012 was undertaken by the CSIR on behalf of the Department of Science and Technology (DST), and provides a good understanding of the ‘core’ of the formal waste sector (waste companies), and insight ...Read more
Author:Berglund, Martin; Bester, W; van der Merwe, BDate:Oct 2018Whereas Perl-compatible regular expression matchers typically exhibit some variation of leftmost-greedy semantics, those conforming to the posix standard are prescribed leftmost-longest semantics. However, the posix standard leaves some room ...Read more
Author:Bolokang, Amogelang S; Motaung, David EDate:Apr 2017We report on the synthesis of a mixture of vanadium (V), tungsten (W), titanium (Ti) and carbon (C) mixture using ball milling in argon atmosphere. Thermal analysis of the milled powder showed an exothermic reaction at approximately 700°C in ...Read more
Author:Mahlatji, ML; Chikosha, S; Chikwanda, HK; Stumpf, WE; Siyasiya, CWDate:Oct 2013Mechanical alloying of an equiatomic mixture of crystalline elemental powders of Ti and Pt in a high-energy ball mill results in formation of an amorphous alloy by solid-state reactions. Mechanical alloying was carried out in an argon atmosphere ...Read more
Author:Moolman, S; Labuschagne, Philip W; Thantsha, MS; Van der Merwe, TL; Cloete, TEDate:27 Feb 2006Traditional encapsulation methods present difficulties for sensitive actives such as probiotics, due to exposure to water/solvents, heat, oxygen, etc. The authors present a novel encapsulation technology utilising the formation of an interpolymer ...Read more
Author:Mathe, Mahlanyane K; Cox, SM; Venkatasamy, V; Happek, U; Stickney, JLDate:Sep 2005The growth of HgSe using electrochemical atomic-layer epitaxy (EC-ALE) is reported. EC-ALE is the electrochemical analog of ALE, where electrochemical surface-limited reactions referred to as underpotential deposits, generally result in the ...Read more
Author:Govender, M; Shikwambana, L; Mwakikunga, Bonex W; Sideras-Haddad, E; Erasmus, RM; Forbes, ADate:Jun 2010This report focuses on the production of multi-phase WO3 and WO3-x (where x could vary between 0.2 and 0.33) nanostructures synthesized by CO2-laser pyrolysis technique at varying laser wavelengths (9.22-10.82 mm) and power densities (17-110 ...Read more
Author:Akinbulu, IA; Ozoemena, KI; Nyokong, TDate:Oct 2011Molecular thin films of manganese (SAM-2), iron (SAM-3), and cobalt (SAM-4) phthalocyanine complexes, non-peripherally tetra-substituted with benzylmercapto, were formed on polycrystalline gold disc electrode by selfassembly technique. Surface ...Read more
Author:Yanga, F; Zhang, H; Shao, Y; Song, H; Liao, S; Ren, JianweiDate:Dec 2017High-performance ferric phosphate (FePO4), with well-defined ellipsoid morphology and uniform particle size distribution, is successfully fabricated via a green spray drying method with formic acid as additive. It is found that the added ...Read more
Author:Van Heerden, A; Parker, L; Rawoot, IDate:Nov 2016Operational Forces are a separate and unique unit of the South African Defence Force. This Unit operates under the auspices of joint operations and is viewed as being very elite. Soldiers in this group are exposed to great physical and mental ...Read more
Author:Van Deventer, HeidiDate:Oct 2021The first space-borne satellite was launched nearly fifty years ago in 1972, initiating global monitoring of freshwater ecosystems. Space-borne images have contributed to forty years of mapping and monitoring of wetlands in South Africa, and ...Read more
Author:Thejane, T; Marwala, T; Smit, Jacoba E; Nelwamondo, Fulufhelo VDate:Sep 2012An analog network model of the human middle ear is used to study the effect of terminal loads on the middle ear frequency response. A new transformer ratio value is computed and used to improve the model of the middle ear through the use of ...Read more
Author:McFerren, G; Van Zyl, T; Vahed, AnwarDate:Jul 2011In multiple research fields such as astronomy, bio-informatics, chem-informatics, geophysics and eco-informatics, scientists are increasingly turning to e-science and specifically scientific workflows as a way of improving, broadening, hastening ...Read more
Author:Mashiri, M; Dube, S; Buiten, DDate:2007Transport plays a significant role in the lives of children and young people, facilitating or constraining their ability to discharge their domestic responsibilities, providing opportunities for earning an income, supporting or inhibiting the ...Read more
Author:Sitas, Nadia E; Reyers, B; Cundill, G; Prozesky, HE; Nel, JL; Esler, KJDate:Apr 2016Engaging diverse stakeholders in collaborative processes to integrate environmental information into decision making is important, but challenging. It requires working at and across the boundaries between knowledge types — a complex milieu ...Read more
Author:Murguía, D; Brovko, Fatheela; Wenham, M; Correia, V; Bodo, BDate:Oct 2016In the last decade, a structural change has taken place in the world’s mineral markets and the global demand for raw materials stands at the bottom of a new growth curve. In this perspective, safeguarding the domestic minerals supply in a ...Read more