Author:Mbanjwa, MB; Land, KDate:Mar 2008The computational fluid dynamics (CFD) simulation results of a capillary-driven flow in a 100 µm serpentine flow-field are presented. A two-dimensional (2D) numerical model based on a conservative level set method (LSM) was developed and ...Read more
Author:Van Heerden, Quintin; Steenkamp, Anton J; Van Heerden, MDate:Oct 2018The emergence of the 4th industrial revolution has brought about several technological advancements in which blockchain fulfils a prominent role. To most people, the notion of blockchain is merely synonymous with the popular cryptocurrency ...Read more
Author:Mass MediaDate:Oct 2007A major factor in creating a wireless Africa is learning how to address the challenges of closing the digital divide that exists within and between developing countiresRead more
Author:Verryn, SD; Snedden, CLDate:30 Aug 2010This presentation outlines the South African plantation forestry sector and its contributions and improvement in productivity, acquiring genetic diversity, challenges and advances in genetically improving trees as well as transforming the ...Read more
Author:Bell, L; Calder, B; Hiller, R; Klein, A; Soares, NC; Stoychev, Stoyan H; Vorster, BC; Tabb, DLDate:Apr 2018The developing world is seeing rapid growth in the availability of biological mass spectrometry (MS), particularly through core facilities. As proteomics and metabolomics becomes locally feasible for investigators in these nations, application ...Read more
Author:Jolliffe, BDate:Aug 2006Slides include: What is the knowledge economy? Drivers; Will it contribute to development? Development as freedom; Knowledge Economy, ICTs, convergence etc; Ducks to put in a row; Patents and knowledge economy; South Africa? Threat to local ...Read more
Author:Oosthuizen, SJ; Swanepoel, JJ; Van Vuuren, DSDate:Oct 2014The CSIR-Ti process produces titanium metal powder through continuous stepwise metallothermic reduction of titanium tetrachloride (TiCl(sub4)) in molten salt medium, and represents a cost-effective alternative to the standard Kroll process ...Read more
Author:Dlodlo, N; Foko, Thato EDate:Oct 2012One of the mandates of the Department of Basic Education (DBE) in South Africa is to distribute textbooks to both urban and remote rural schools. The challenge that the DBE faces in this regard is that the distribution machinery has not been ...Read more
Author:Rogers, K; Roux, D; Biggs, HDate:04 Oct 2000Catchment management agencies (CMA's) have no tested precedent in South Africa and will have to evolve in complex and changing business, social and natural environments as they strive to ensure that equity and social justice are achieved ...Read more
Author:Cooper, Antony K; Coetzee, S; Kaczmarek, I; Kourie, DG; Iwaniak, A; Kubik, TDate:May 2011The University of Pretoria in South Africa and the Wroclaw University of Environmental and Life Sciences in Poland have a joint research project under the SA/Poland Cooperation Agreement on Cooperation in Science and Technologies, entitled ...Read more
Author:Mostert, Frederik JDate:Oct 2019This paper presents a view of some of the challenges that are presented in investigating protection methodologies against explosive blast effects. In particular, the paper is concerned with experimental efforts that can aid in the understanding ...Read more
Author:North, Brian C; Langmi, Henrietta W; Swartbooi, Ashton MDate:Sep 2019There is a great deal of knowledge and experience on the safe handling of hydrogen, and the safe operation and management of hydrogen systems in South Africa. This knowledge and experience mostly sits within large gas supply companies and ...Read more
Author:Mathabathe, Maria N; Bolokang, Amogelang SDate:May 2022Contemporary ways of employing and combining existing materials are a requisite for meeting tomorrow’s engineering applications. This is upscaled by the potent attributes of remaining competitive by keeping costs effective while advancing the ...Read more
Author:Nkosi, MT; Mekuria, Fisseha; Gejibo, SHDate:Jun 2011Healthcare providers are facing growing challenges in patient diagnostics and information gathering due to in-adequate infrastructure and insufficient number of health-care professionals to perform such operations. The traditional way of ...Read more
Author:Adam, R; Herselman, Martha E; Chuang, CH; Smit, D; Eloff, JHP; Zielinski, MPDate:Nov 2011The purpose of this paper is to discuss certain challenges that emerge when evaluating a Living Lab (LL). These challenges are linked to the choice of evaluation methods as well as whether to measure, when, what and how to measure. A LL in ...Read more
Author:Mutanga, MB; Mudali, P; Dlamini, IZ; Ndlovu, L; Xulu, SSDate:May 2010Network forensics plays a major role in the investigation of criminal activities involving computer networks. Investigating such crimes is still an open research area due to the fact that technology is always advancing hence investigators ...Read more
Author:Barnard, EDate:Nov 2009The authors have previously argued that the infamous "No Free Lunch" theorem for supervised learning is a paradoxical result of a misleading choice of prior probabilities. Here, they provide more analysis of the dangers of uniform densities ...Read more
Author:Hwabamungu, B; Brown, I; Williams, QDate:May 2015Information Systems (IS) strategizing research conducted mostly in the private sector setting indicates that there are many challenges to the implementation of Information Systems strategy and that there is need for further research on this ...Read more
Author:Mothetha, M; Nkuna, Z; Mema, VDate:Jul 2013The majority of rural areas in South Africa are experiencing the challenges of accessing water services because they cannot afford to pay for municipal services. However, the Water Services Authorities (WSA) and Water Services Providers (WSP) ...Read more
Author:Benson, JM; Chikwanda, HKDate:Nov 2007Titanium has fired the imagination of engineers and designers for decades by its ‘ideal’ combination of high strength, low density and good corrosion resistance. However, its application has unfortunately been limited to those niche markets ...Read more