Author:Veerasamy, Namosha; Mashiane, Charmaine T; Pillay, KDate:Mar 2019The expansion of the information society has brought with it a revolution in the use of Information Communication Technology (ICT). In South Africa, the adoption of various digital devices and technologies has introduced conveniences but at ...Read more
Author:Haywood, Lorren K; Forsyth, Gregory G; De Lange, Willem J; Trotter, Douglas HDate:Jun 2017New and emerging risks create growing uncertainty and unpredictability within enterprise risk management. While ISO 31000:2009 is a progressive risk management framework, it is limited in its guidance on how to contextualise complex risks. ...Read more
Author:Horak, E; Komba, Julius J; Maina, J; Sebaaly, H; Muller, JDate:Mar 2022Contiguous aggregates are aggregate sizes that consecutively follow a typical aggregate grading curve. Porosity calculation is possible for a binary or longer ranges of contiguous aggregates. Porosity is a fundamental density indicator and ...Read more
Author:Strydom, WFDate:Oct 2012During 2010 a national survey on waste management service delivery and recycling behaviour amongst metropolitan households was conducted. WasteCon2010 conference attendees were also surveyed in parallel and on a voluntary basis. This paper ...Read more
Author:Smakhtin, VY; Masse, BDate:Apr 2000The paper describes a parsimonious approach for generating continuous daily stream-flow time-series from observed daily rainfall data in a catchment. The key characteristic in the method is a duration curve. It is used to convert the daily ...Read more
Author:Muliwa, AM; Onyango, MS; Maity, Arjun; Ochieng, ADate:May 2018Mining industries contribute enormously to water pollution through discharge of effluents contaminated with metals. Metals-polluted water is a threat to aquatic and human lives as well as the general ecosystem. Numerous conventional treatment ...Read more
Author:Garner, EDate:Mar 1983An attempt was made to gain an understanding of the mechanism of fixation of disperse dyes on polyester in a radiofrequency field.Read more
Author:Garner, EDate:Apr 1983When polyester was padded with a number of disperse dyes, dried and then subjected to radio frequency energy, no dye fixation was obtained.Read more
Author:Garner, E; Barkenhuysen, FADate:Apr 1986The dyeing of cotton fabric with frequency (HF) energy was investigated and compared with conventional dyeing processes.Read more
Author:Barkenhuysen, FA; Van Rensburg, NJJDate:May 1986The effect of RF generator anode current on the dyeing temperature and the effect of dyeing auxiliaries in the pad liquor on the dye fixation.Read more
Author:Barkenhuysen, FA; Van Rensburg, NJJ; Harwood, RJDate:May 1987The radio frequency (RF) energy dyeing of different types of polyester fibres with various disperse dyes and carriers was investigated.Read more
Author:Swanepoel, OA; Van der Merwe, JPDate:Jul 1968Wool was dyed by a continuous pad steam process with reactive dyes dissolved and concentrated solutions of urea.Read more
Author:Van Rensburg, NJJ; Barkenhuysen, FADate:Sep 1983Wool tops were shrinkresistant successfully on a conventional suction drum back wash using chlorine gas dissolved in water.Read more
Author:Smit, WJ; Barnard, EDate:Apr 2009Sparse coding is an efficient way of coding information. In a sparse code most of the code elements are zero; very few are active. Sparse codes are intended to correspond to the spike trains with which biological neurons communicate. In this ...Read more
Author:Booth, R; Meyer, T; Varzinczak, I; Wassermann, RDate:May 2010In this paper the authors continue recent investigations into belief change for Horn logic. The main contribution is a result which shows that the construction method for Horn contraction for belief sets based on infraremainder sets, as ...Read more
Author:Ngozwana, N; Harriparsadh, P; Dlungwana, Wilkin SDate:Oct 2018As part of its local economic development initiative the government continues to support the creation of women owned construction companies, especially in the provision of low-income housing. These small contractors are however plagued by ...Read more
Author:Dlungwana, Wilkin S; Rwelamila, ODDate:Nov 2004Construction industry and indeed all small and medium-sized contractors play a significant socio-economic role in the developing countries. This paper highlights the importance of promoting sustainable building through the implementation of ...Read more
Author:Scott, DFDate:May 1997A wildfire in an afforested research catchment presented the rare opportunity to compare the hydrological effects of wildfire with the effects of clearfelling in the same catchment in the Jonkershoek Valley, in the south-western Western Cape ...Read more