Author:Wall, KDate:Oct 2008The National Infrastructure Maintenance Strategy (NIMS) was approved by Cabinet in 2006. This Strategy sets overarching policy for sector-based initiatives and describes the framework for a coordinated programme of actions. It is an essential ...Read more
Author:Garland, Rebecca MDate:Aug 2014The South African government has taken several steps in response to climate change and its associated threats to human health. The National Climate Change Response Plan White Paper defines government's vision for effective climate change ...Read more
Author:Oelofse, Suzanna HHDate:Aug 2010The long awaited National Environmental Waste Act, Act No 59 of 2008 (RSA, 2008) came into effect on 1 July 2009. Unlike many other South African laws, the Waste Act is intended to effect change in different places and at different levels ...Read more
Author:Geldenhuys, CJDate:Dec 1997Commercial plantations in South Africa have been established mainly in grasslands adjacent to native forest which occur as small, scattered patches, restricted to valleys and scarps by regular fire-prone grasslands. Under storey vegetation ...Read more
Author:Moller, H; Govender, G; Stumpf, WEDate:Dec 2007International standards for aluminium alloys often permit significant fluctuations in the content of alloying elements. This allows metal suppliers more freedom in preparing these alloys. It is shown that the magnesium content of semisolid ...Read more
Author:Scholes, RJ; Scholes, MCDate:Sep 1998Nitric oxide (NO) reacts with hydrocarbons and carbon monoxide (CO) in the presence of sunlight to form ozone in the lower atmosphere. Tropospheric ozone can be harmful to plants and animals, and is usually regarded as a symptom of industrial ...Read more
Author:Ayele, M; Tesfaye, T; Alemu, D; Limeneh, M; Sithole, Bishop BDate:Sep 2020Recently, there has been a great deal of interest to circumvent the environmental problems associated with manufactured colouring agents by using natural dyes. This study focuses on extracting natural dyes from mango leave and mango peel and ...Read more
Author:Taljaard, Susan; Slinger, JH; Arabi, Sumaiya; Weerts, Steven P; Vreugdenhil, HDate:Oct 2020Rapid urbanization of the coast, growing global trade, stakeholder emancipation and ongoing depletion of natural resources mean that ports can no longer operate and develop without acknowledging and incorporating societal and environmental ...Read more
Author:Gilgen, D; Williams, BG; MacPhail, C; Van Dam, CJ; Campbell, C; Ballard, RC; Taljaard, DDate:Sep 2001This paper presents the results of a cross-sectional biomedical and social survey, conducted in a major gold mining centre with a high prevalence of HIV infection. It also provides the baseline data for a comprehensive intervention programme. ...Read more
Author:Sefara, Tshephisho J; Rangata, Mapitsi RDate:Oct 2023Exaggerated news titles are used to deceive news readers and spread misleading information. This paper presents a new natural language processing (NLP) technique that identifies exaggerated news titles. The technique uses Jaccard similarity ...Read more
Author:Reyers, B; Nel, JL; O'Farrell, Patrick J; Sitas, Nadia E; Nel, DCDate:Jun 2015Achieving the policy and practice shifts needed to secure ecosystem services is hampered by the inherent complexities of ecosystem services and their management. Methods for the participatory production and exchange of knowledge offer an ...Read more
Author:Badenhorst, Danielle PDate:06 Sep 2023Reliance on digital technologies for innovation management is unavoidable in current contexts. While digital processes and business models have been prioritised as key factors to drive innovation and value creation within firms, cybersecurity ...Read more
Author:Badenhorst, Jacob AC; De Wet, FebeDate:Apr 2022The aim of the National Centre for Human Language Technology (NCHLT) project was to create speech and text resources that would enable Human Language Technology (HLT) development for the 11 official languages of South Africa. The speech data ...Read more
Author:Popoola, PAI; Pityana, Sisa L; Fedotova, T; Popoola, OMDate:Jun 2011As the reports in the literature regarding corrosion performance of Al/TiB2 MMC are rather contradictory, the optimization of laser surface alloying parameters for these composite coatings seems to be necessary. The characterization of the ...Read more