Author:McGill, JEDate:Jul 2010Primary production of PGE globally is geographically restricted to South Africa—bushveld Complex (77%); Russia—Noril’sk and alluvial producers (13%); and collectively USA—Stillwater; Zimbabwe—Great Dyke; and Canada—Lac de Iles (10%). Seventy-seven ...Read more
Author:Archibald, S; Scholes, RJDate:2007The savannas of Africa are dominated by deciduous trees and perennial but seasonal grasses. Virtually nothing is known about the factors that trigger the onset of greening, or the time-course of leaf-drop in either of these main plant functional ...Read more
Author:Tsague, HD; Twala, BDate:Nov 2015Low power IC solutions are in great demand with the rapid advancement of handheld devices, wearables, smart cards and radio frequency identification bringing a massive amount of new products to market that all have the same primary need: ...Read more
Author:Adedeji, K; Hamam, Y; Abe, B; Abu-Mahfouz, Adnan MIDate:Jun 2017Water loss through leaking pipes is inexorable in water distribution networks (WDNs) and has been recognized as a major challenge facing the operation of municipal water services. This is strongly linked with financial costs due to economic ...Read more
Author:Adedeji, KB; Hamam, Y; Abe, BT; Abu-Mahfouz, Adnan MIDate:Oct 2017Water loss through leaking pipes constitutes a major challenge to the operational service of water utilities. In recent years, increasing concern about the financial loss and environmental pollution caused by leaking pipes has been driving ...Read more
Author:Christelis, L; Smit, AGDate:Aug 2012Most of us are familiar with the concept of Lean (a way to do more and more with less and less). The principles have been applied by the Japanese as part of the Toyota Production System from as early as the 1950's. Subsequently many have ...Read more
Author:Matebese, Belinda T; Withey, Daniel J; Banda, MKDate:Sep 2020The motion planning for a mobile, autonomous system is solved using the Leapfrog algorithm from optimal control. Numerical optimal control has some advantages for motion planning. Differential constraints can be included in the problem ...Read more
Author:Rosman, Benjamin SDate:Jun 2014Recent trends in robotics have seen more general purpose robots being deployed in unstructured environments for prolonged periods of time. Such robots are expected to adapt to different environmental conditions, and ultimately take on a broader ...Read more
Author:Pretorius, Arnu; Kroon, Steve; Kamper, HermanDate:Jul 2018Denoising autoencoders (DAEs) have proven useful for unsupervised representation learning, but a thorough theoretical understanding is still lacking of how the input noise influences learning. Here we develop theory for how noise influences ...Read more
Author:Richardson, DM; Blanchard, RyanDate:Mar 2011One of the environmental concerns associated with producing biofuels from alien plants is the risk of these species becoming invasive. We explored whether insights from commercial forestry and agroforestry could inform strategies to reduce ...Read more
Author:Krige, PD; Leong, B; Manganye, JDate:Dec 2001The brief of this research was to identify the hazards associated with underground track bound transportation on Gold and Platinum mines, describe the learning that is necessary to recognize these hazards and then to determine the most suitable ...Read more
Author:Van Heerden, Adelai; De Beer, MorrisDate:Sep 2015The aim of this mixed method study was to obtain a general profile of candidates (N=251) applying to join the Operational Forces of the South African National Defence Force in terms of their coping (hardiness, sense of coherence, locus of ...Read more
Author:Van Huyssteen, GB; Davel, MHDate:Jun 2010In this research, the authors use machine learning techniques to provide solutions for descriptive linguists in the domain of language standardization. With regard to the personal name construction in Afrikaans, the authors perform function ...Read more
Author:Barnard, E; Van der Walt, Christiaan M; Davel, M; Van Heerden, C; Senekal, FP; Naidoo, TDate:Nov 2009Bayesian networks have shown themselves to be useful tools for the analysis and modelling of large data sets. However, their complete generality leads to computational and modelling complexities that have limited their applicability. We propose ...Read more
Author:Ajoodha, R; Rosman, Benjamin SDate:Feb 2018The recent widespread of availability of sensors, as part of the IoT, presents the opportunity to learn the properties of compound distributions in practical applications. Understanding temporal distributions by observations collected from ...Read more
Author:Tuling, S; Dala, L; Toomer, CDate:Dec 2013A numerical and experimental investigation was performed to study the dominant flow structures in the lee side of a cruciform wing–body configuration at supersonic speeds in the + orientation. The wings or strakes are of very low aspect ratio ...Read more
Author:Lundt, M; De Korte, GJDate:Nov 2010Exxaro installed their first ultra fines treatment plant at Leeuwpan Coal mine. The plant is now fully operational and results already
show that the plant has great potential. The plant was designed and installed by DRA. Several challenges ...Read more
Author:Van Niekerk, Lara; Weerts, Steven P; Taljaard, SusanDate:Aug 2019In 1994 South Africa adopted a power-sharing democracy as basis for its political system, and this pluralistic slant also is evident in post-1994 environmental legislation, including that pertaining to the coastal marine environment. ...Read more
Author:Dlodlo, NDate:Apr 2011Cloud computing is a sufficiently new research area. Since it is in its development stages, the information on the field is slowly being compiled by the researchers and practitioners from their experiences. Some of the areas in which there ...Read more