Author:Jansen van Vuuren, JC; Leenen, L; Grobler, MM; Chan, Ka Fai P; Dawood, Zubeida CDate:Mar 2015Acquiring, representing, and managing knowledge effectively has a considerable impact on constructing accurate and intelligent systems. A challenge faced by domain experts is the manner in which information about the cybersecurity environment ...Read more
Author:Lötter, D; Le Maitre, David CDate:Apr 2014Aspalathus linearis (Burm. f.) R. Dahlgren (rooibos) is endemic to the Fynbos Biome of South Africa, which is an internationally recognised biodiversity hotspot. Rooibos is both an invaluable wild resource as well as commercially cultivated ...Read more
Author:Engelbrecht, Andre D; North, Brian C; Oboirien, BilainuDate:Oct 2017Chemical-looping combustion (CLC) of coal has emerged as a clean coal technology that can potentially be applied for the efficient combustion of coal while producing flue gas that has a CO2 concentration of greater than 99 %. An important ...Read more
Author:Oosthuizen, Rudolph; Pretorius, LDate:Jun 2015Introducing a new technology into a complex sociotechnical system will have planned as well as unplanned impact. The need for a new technology may arise from new technology available for improved performance (technology push) or changes in ...Read more
Author:Ortmann, FG; Van Vuuren, JH; Van Dyk, FEDate:Apr 2006A description is provided of work performed as part of the fruit logistics infrastructure project commissioned by the South African Deciduous Fruit Producers’ Trust and coordinated by the South African Council for Scientific and Industrial ...Read more
Author:Martins, RS; Roberts, MJ; Lett, C; Chang, Nicolette; Moloney, CL; Camargo, MG; Vidal, EAGDate:Aug 2013Annual landings of chokka squid (Loligo reynaudii), an important fishing resource for South Africa, fluctuate greatly, and are believed to be related to recruitment success. The ‘Westward Transport Hypothesis’ (WTH) attributes recruitment ...Read more
Author:Maina, JW; De Beer, Morris; Van Rensburg, YvetteDate:Jul 2013Growing traffic volumes, increasing construction and maintenance costs continually drive for more innovative approaches and methodologies towards sustainable road infrastructure. At the current price levels of around R6000 per metric tonne, ...Read more
Author:Price, Catherine S; Moodley, D; Pillay, AWDate:Dec 2019A dynamic Bayesian decision network was developed to model the preharvest burning decision-making processes of sugarcane growers in a KwaZulu-Natal sugarcane supply chain and extends previous work by Price et al. (2018). This model was created ...Read more
Author:Jagarnath, M; Thambiran, Tirusha; Gebreslasie, MDate:Apr 2019Urbanization is one of the most significant and irreversible forms of land change, but we lack empirical evidence of these changes in the Global South. This is the first study to quantify past and explore future land change for the Durban ...Read more
Author:Steenkamp, Anton J; Berman, Robert; Benade, RDate:Jul 2016The field of tyre dynamics is a relatively new, but highly complex field of engineering. The testing and modelling of various tyres in order to determine stress distributions of tyres on the road surface, under varying conditions, remains a ...Read more
Author:De Koning, CB; Rousseau, AL; Van Otterlo, WALDate:01 Jan 2003The importance of naphthalenes and naphthoquinones as bioactive agents and in structural and synthetic chemistry is discussed. How the synthetic chemist gains access to such compounds forms the subject of this review. The synthesis of ...Read more
Author:Ritchken, EDate:Oct 2017This presentation discusses the modernisation of mining. The presentation focuses on the mining clusters, Mining Challenges, Compliance versus Collaboration, The Phakisa, The Mining Precinct & the Mining Hub also Win-Win Beneficiation: Iron ...Read more
Author:Ramoroka, TM; Masonta, Moshe T; Kliks, ADate:May 2016The role of cheap and easy access to various telecommunication facilities is crucial for further community development. Such an observation is of particular importance for the developing countries all over the world since reliable and open ...Read more
Author:Slinger, JH; Taljaard, Susan; Largier, JLDate:Sep 2017Many estuaries are under threat of reduced flows and consequent choking of the mouth by marine sands as more of their natural freshwater supply is abstracted for human use (Barton et al., 2008; Haines et al., 2006). Anticipated sea level rise, ...Read more
Author:Mittal, H; Kumar, V; Alhassan, SM; Ray, Suprakas SDate:Jul 2018In this work, an environmentally friendly gum ghatti-crosslinked-polyacrylamide (Gg-cl-PAAM) hydrogel was synthesized from gum ghatti (Gg) and acrylamide (AAM) using a microwave-assisted grafting technique, and tested for use in water ...Read more
Author:Mathoho, Ipfi; Arthur, Nana KK; Tlotleng, MonnammeDate:Feb 2023The current study embarked on developing the H950 aging condition for 17-4 PH stainless steel that was manufactured through the DED process. The driving force for carrying out this study was that, when the H950 condition was applied to 17-4 ...Read more
Author:Loveday, Philip W; Rogers, CADate:Sep 1998A method for analyzing the effect of feedback control on the dynamics of piezoelectric resonators used in vibratory gyroscopes has been developed. This method can be used to determine the feasibility of replacing the traditional mechanical ...Read more
Author:Jafta, CJ; Roos, WD; Terblans, JJDate:Mar 2013It is reported that different crystal surface orientations yield different segregation fluxes. Although there were a few attempts to confirm these predictions experimentally, it is very difficult to compare data without making a few assumptions. ...Read more
Author:Roos, TH; Rossouw, F; Van Zyl, Louwrens HDate:Sep 2009Several heliostat mirror panels of the CSIR 25m2 target-aligned heliostat suffered corrosion-related failure, prompting a panel redesign. Two test samples of the new design were subjected to mechanical and thermal cycling tests in an attempt ...Read more
Author:Harris, JFDate:1974In the routine analysis of coal at the FRI, the determination of calcium and magnesium is done by an atomic absorption technique, and the determination of sodium and potassium is carried out using a flame emission technique.Read more