Author:Rossouw, Marius; Theron, AndreDate:Feb 2009This paper includes a brief revue of some of the likely physical port and maritime operations related impacts due to expected climate change around the southern African coast. To mitigate these detrimental impacts, research is and should ...Read more
Author:Sevenster, PG; Meintjies, AA; Van Den Berg, PJDate:1969In continuing the investigation into the causes of the lesser susceptibility of South African coal dust to explosion, attention has been given to the relationship between the petrographic of coals and their explosibility.Read more
Author:Becker, J; Swanepoel, OADate:Apr 1968The production of whites and pastel shades in wool is complicated by the fibers' natural cream to yellow ground color and their tendency to yellow during certain processing operations.Read more
Author:Verhaeghe, Benoit MJA; Myburgh, PA; Denneman, EDate:Sep 2007The paper seeks to redress the concerns expressed at the eight Conference on Asphalt pavements for Southern Africa (CAPSA) that the design of hot-mix asphalt did not adequately address prevention of rutting. It presents a consolidation of ...Read more
Author:Barnard, E; Davel, M; Van Heerden, CDate:Sep 2009The authors investigate the number of speakers and the amount of data that is required for the development of useable speaker-independent speech-recognition systems in resource-scarce languages. Their experiments employ the Lwazi corpus, which ...Read more
Author:Modipa, T; De Wet, Febe; Davel, MDate:Nov 2009Call routing is an important application of Automatic Speech Recognition (ASR) technology. In this paper the authors discuss the main issues affecting the performance of a call routing system and describe the ASR component of the "AutoSecretary" ...Read more
Author:Muwonge, KB; Chan, HADate:Oct 2007This paper proposes a Forward Equivalence Classification (FEC) assembly scheme to efficiently assemble selfsimilar traffic and a Pareto-offset assignment scheme for offset assignment. Two buffers, a packet buffer and a burst buffer, are ...Read more
Author:Mokuwe, Mamuku W; Goorun, Yurisha; Crafford, Gerhardus JDate:Oct 2022This work presents a vision-based quality assurance system that does assembly line monitoring. The system is developed using machine learning hand tracking and object detection methods to monitor the worker’s hand movement while evaluating ...Read more
Author:Ashworth, SGE; Peake, AVDate:Mar 1994This report summarises both the statistical analysis of accident data and detailed accident case studies in attempt to make a complete conclusions of what causes the accidents in gold and platinum mines. And also discusses the recommendations ...Read more
Author:Oberholzer, MM; Oberholster, PJ; Ndlela, Luyanda L; Botha-Oberholtster, AM; Truter, CJDate:Jun 2022Acid mine drainage (AMD) is a global problem with severe consequences for the environment. South Africa’s abandoned mines are a legacy from the country’s economic dependence on the mining sector, with consequent negative impacts on ecosystems. ...Read more
Author:Oosthuizen, Rudolph; Pretorius, LDate:Jun 2013Command and Control (C2) is a complex sociotechnical system. Humans, being part of the C2 system, make sense of the situation to support decision making. Communication technology distributes information and orders within a social (organisational) ...Read more
Author:Rossouw, R; Maritz, JohanDate:Dec 2023South Africa’s historical reliance on mineral resources has established thriving towns and settlements, sustaining households for decades. However, the decline in demand for these resources and mine closures pose significant threats to the ...Read more
Author:Lück-Vogel, Melanie; Mbolambi, Cikizwa; Van Niekerk, Lara; Rautenbach, K; Adams, JDate:Oct 2014Within the presented project, we are comparing ecosystem and land cover classifications for the Greater St Lucia region derived from multispectral RapidEye (5m resolution), WorldView-2 (2m resolution), SPOT-6 (5.55m resolution) data with and ...Read more
Author:Abu El-Magd, SA; Taha, TH; Pienaar, Harrison H; Breil, P; Amer, RA; Namour, PHDate:Apr 2021The Cd, Cr, Cu, Ni, and Pb concentrations in the sediments of Lake Mariout were measured and estimated by statistical approaches using the contamination factor (CF), pollution load index (PLI), geo-accumulation index (Igeo), Nemerow index ...Read more
Author:Gush, Mark BDate:2010This chapter provides a methodology for assessing the hydrological impacts of tree-based bioenergy feedstock. Based on experience gained in South Africa, it discusses the tasks required to reach an understanding of the likely water resource ...Read more
Author:Gangire, Y; Da Veiga, A; Herselman, Martha EDate:Oct 2021This paper outlines the development of a validated questionnaire for assessing information security behaviour. The purpose of this paper is to present data from the questionnaire validation process and the quantitative study results.Read more
Author:Van Deventer, Heidi; Cho, Moses ADate:Jul 2014The decanting of acid mine drainage (AMD) from the Western Basin on the Witwatersrand in late 2010 raised concerns about AMD risks in other gold, coal and copper mining areas of South Africa. Field spectroscopy and the use of vegetation indices ...Read more