Author:Oranje, M; Van Huyssteen, Elsona; Meiklejohn, CDate:Jun 2009What matters from the perspective of the NSDP is whether an area has the potential to grow economically in a sustainable way, create jobs and alleviate poverty. If small towns have such potential, there is nothing that precludes such investment. ...Read more
Author:Cooper, Antony K; van Rooyen, MH; Clarke, DG; Liebenberg, ECDate:Sep 1987Geographically referenced (geo-referenced) information consists of all information that refers to the man-environment system and that can be localized in space and time. The basic entity of geo-referenced information is the feature, which has ...Read more
Author:Snyman-van der Walt, LuanitaDate:Jun 2017The Department of Environmental Affairs and the Department of Agriculture, Forestry and Fisheries commissioned the Council for Scientific and Industrial Research to conduct a Strategic Environmental Assessment (SEA) for Aquaculture Development ...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:Wall, K; Manus, ADate:May 2007The paper describes the problem statement and context, and scope of the work. The paper also describes progress made thus far with the strategy formulation. However the work will be complete by the time the conference takes place, and the ...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:Möller, H; Govender, G; Stumpf, WEDate:Sep 2008The heat treatment cycles that are currently applied to semi-solid processed components are mostly those that are in use for dendritic casting alloys. These heat treatments are not necessarily the optimum treatments for non-dendritic ...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:Guduri, BBRDate:Dec 2006The influence of Hildegardia populofolia fabric content, fabric orientation, sodium hydroxide (NaOH) and silane coupling agent treatment on the surface properties of the fabric, mechanical and fracture properties of Hildegardia populifolia- ...Read more
Author:Balakrishnan, P; John, Maya J; Pothen, L; Sreekala, MS; Thomas, SDate:2016Fiber-reinforced polymer composite materials are fast gaining ground as preferred materials for construction of aircrafts and space crafts. In particular, their use as primary structural materials in recent years in several technology- ...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