Author:Oberholzer, JW; Esterhuize, GS; Van Vuuren, PJ; Madden, BJ; Van der Merwer, JNDate:Jul 1997This report summarizes the findings of the work conducted to determine the need to research the time dependent decay of coal mine bord and pillar workings. It is intended for use by the relevant SIMRAC committee as background information to ...Read more
Author:Sibolla, Bolelang H; Van Zyl, T; Coetzee, SDate:Nov 2020Transient spatiotemporal events occur within a short interval of time, in a particular location. If such events occur unexpectedly with varying durations, frequencies, and intensities, they pose a challenge for near-real-time monitoring. ...Read more
Author:Winschiers-Theophilus, H; Bidwell, N; Chivuno-Kuria, S; Kapuire, GKDate:Oct 2010Eliciting and analyzing requirements within knowledge systems, which fundamentally differ so far from technology supported systems represent particular challenges. African rural communities’ life is deeply rooted in an African indigenous ...Read more
Author:Phaphana, HM; Cooper, Antony K; Wenhold, FDate:Oct 2014Research shows that food choices are affected by the food environment. Similarly, the presence of fruit and vegetables in the home results in greater fruit and vegetable consumption by children. A food desert is an area without ready access ...Read more
Author:Meyer, CFDate:May 1998This project was mainly proposed to make available, to the coal mining industry a set of default friction values that could be used with more confidence in network simulation programs, during the project use was made of both underground ...Read more
Author:Marais, ELDate:Oct 2006The temperature coefficient of standard resistors of various types is well-known to within an acceptable uncertainty, for the purposes that these resistors are used for in most calibration laboratories. There are instances where this information ...Read more
Author:Barry, M-L; Steyn, H; Brent, ACDate:Apr 2008The supply of sustainable energy is crucial for poverty reduction and economic development in Africa. Such supply to the private sector and to households is necessary to improve productivity and efficiency and ensure that all members of society ...Read more
Author:Adeyeye, M; Makitla, I; Fogwill, TDate:Sep 2013Web Real-Time Communication (WebRTC) introduces real-time multimedia communication as native capabilities of Web browsers. With the adoption of WebRTC the Web browsers will be able to use WebRTC to communicate with one another (peer-to-peer), ...Read more
Author:Olivier, Marius; Ramaloko, PMDate:Sep 2014A method to determine the timeline of captured images of the Cordin 550-32 Ultra-High Speed Camera has been developed. The method is aimed at applications that require photographic diagnostics, with the Cordin camera, in conjunction with other ...Read more
Author:Helbig, M; Williams, Q; Alberts, R; Pretorius, HDate:Oct 2010Adaptive computer-based training systems aim to enhance the learning experience by personalising the presentation and content delivery according to the preferences of each particular user. The complexity of humans - the many factors in uencing ...Read more
Author:Nondlazi, Basanda X; Cho, Moses A; Van Deventer, Heidi; Sieben, EJDate:Aug 2021Depressional wetlands are highly vulnerable to changes in land surface temperature and rainfall but little is known about their responses to future climate change. This study assessed the variation in edaphic factors between wetlands and along ...Read more
Author:Kgarume, Thabang E; Spottiswoode, SM; Durrheim, RJDate:Oct 2010Mine tremor aftershock sequences from two deep mines in the Far West Rand goldfield, South Africa, were analysed in order to determine the influence of geological and mining parameters on the risk posed by aftershocks. Mainshocks were stacked ...Read more
Author:Khoaele, Katleho K; Gbadeyan, Oluwatoyin J; Chunilall, Viren; Sithole, BDate:Mar 2023The devastating effect of plastic waste on the ecosystem due to the rapid increase in population has been a concern. Although stakeholders and governments invested in efforts to mitigate plastic waste, their exertions have limited to no effects ...Read more
Author:Chichowicz, ADate:Jan 1997The project was initiated to create techniques for processing falls of ground (FOG) data. Those techniques were tested with data from east rand proprietary mines (ERPM). The first part of this report concerns seismic events that caused falls ...Read more
Author:Van 't Wout, Magdalena CDate:Mar 2019The current year, 2017, has already seen an excessive amount of cyber security disasters, apart from the continuation of standard corporate breaches. In the first half of the year, there had already been full-on campaign hacking, leaks of spy ...Read more
Author:Adams, DJDate:May 1995Literature and industry surveys were invaluable in establishing the presently used methods and experienced in designing bracket pillars. Example of successful and unsuccessful brakect pillars adjacent to dykes and faults were collected for ...Read more