Author:Pretorius, Cecilia JDate:Apr 2016The objective of this study was to find a parameter in diesel and oil analysis of underground mining vehicles that can be correlated with personal diesel particulate matter (DPM) exposure and used as part of an engine maintenance programme. ...Read more
Author:Van Niekerk, WCA; Simpson, D; Fourie, MH; Mouton, GDate:Jun 2002A large volume of scientific information is available in the open literature on the toxicology and health effects associated with inhalation of diesel particulates. It has been the intention of this study to present a concise review of the ...Read more
Author:Pretorius, CJ; Grove, T; Schinkel, J; Pronk, A; Nelson, G; Murray, JDate:Aug 2014Personal diesel particulate matter (DPM) sampling was conducted on nearly 300 mine workers in the diesel and non-diesel sections of three platinum mines in South Africa. Respiratory health questionnaires were administered to all of these ...Read more
Author:Tjelele, J; Ward, D; Dziba, LDate:Jul 2014The pods of many woody plants form an important part of the diet of livestock during the dry season due to their high nutritive value. However, the dispersal of seeds that remain intact and can potentially germinate after excretion is of ...Read more
Author:Van Kets, V; Karsten, A; Davids, LDate:Sep 2010Photodynamic therapy (PDT) has recently emerged as a treatment modality for photorejuvenation of the skin. This study is a preliminary investigation into the effect of different light sources to activate hypericin, a plant-derived photosensitizer ...Read more
Author:Mkuzangwe, Nenekazi NP; Nelwamondo, Fulufhelo VDate:Sep 2019Real Transmission Control Protocol synchronise (TCP SYN) packet counts availability will be of great benefit in anomaly detection. TCP SYN packet counts can beused for training intrusion detection system to detect a denial of service attack ...Read more
Author:Manara, G; Nepa, P; Kouyoumjian, RG; Taute, BJEDate:Nov 1998The diffraction of an inhomogeneous plane wave by an impedance wedge embedded in a lossy medium is analyzed. The rigorous integral representation for the field is asymptotically evaluated in the context of the uniform geometrical theory of ...Read more
Author:Twinomurinzi, H; Phahlamohlaka, Letlibe J; Byrne, EDate:2010This chapter reviews the context of the South African government and its conspicuous inclination to the way of life, Ubuntu. Ubuntu is growing in popularity and is increasingly being applied as an African solution to African problems such as ...Read more
Author:Masina, Bathusile N; Forbes, Andrew; Mwakikunga, Bonex W; Bodkin, RDate:May 2011At present it is known that diamond tools degrade with time as it is normally used at high temperatures. One of the questions the authors like to answer in this study is whether thermally induced problems in diamond tool arise as a result of ...Read more
Author:Sevenster, PGDate:1958It was found necessary to conduct the investigation described in this paper when information on diffusion coefficients of some strongly adsorbed gases was required in the course of other studies on coal at the Institute.Read more
Author:Van der Walt, WDate:Feb 2011This document describes Open Source Software newly-developed under the NAP project. The software comprises a digital audio editor for the blind.Read more
Author:Mabila, J; Herselman, Martha E; Van Biljon, JDate:Nov 2016Government initiatives have been undertaken to provide ICT infrastructure including digital content to public schools in South Africa, however the educators’ views on the sustainability of integrating tablet technology into teaching in resource ...Read more
Author:Ngcobo, Sandile; Litvin, I; Burger, L; Forbes, ADate:Feb 2014In this paper we outline a simple laser cavity which produces customised on-demand digitally controlled laser modes by replacing the end-mirror of the cavity with an electrically addressed reflective phase-only spatial light modulator as a ...Read more
Author:Chipangura, B; Van Biljon, J; Botha, AdèleDate:Sep 2012Developing countries and South Africa in specific have shown phenomenal growth in the mobile sector. This has resulted in some challenges and opportunities for alleviating digital poverty through distance education. One of these challenges ...Read more
Author:Phahlamohlaka, Letlibe J; Modise, M; Nengovhela, NDate:Oct 2010Since it was coined in the early eighties following the Maitland commission for worldwide telecommunications development, much has been written about the concept of digital divide. Everything to date in the literature about the subject point ...Read more
Author:Smith, R; Cambridge, G; Gush, Kim LDate:Feb 2006The Digital Doorway is a joint project between the Department of Science and Technology (DST) and the Meraka Institute, with a vision of making a fundamental difference to computer literacy and associated skills in Africa. Underpinning this ...Read more