Author:Kesavan Pillai, Sreejarani; Ray, Suprakas SDate:Apr 2011Epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and cross-links) when mixed with a curing agent or "hardener". Most common epoxy resins are produced from a reaction between epichlorohydrin and bisphenol-A. A ...Read more
Author:Bassa, H; Konrad, T; Diósi, L; Uys, HermannDate:Aug 2017We study the convergence properties of state estimates of an oscillating qubit being monitored by a sequence of discrete, unsharp measurements. Our method derives a differential equation determining the evolution of the estimation fidelity ...Read more
Author:Booth, R; Meyer, TDate:Sep 2008In studies of multi-agent interaction, especially in game theory, the notion of equilibrium often plays a prominent role. A typical scenario for the belief merging problem is one in which several agents pool their beliefs together to form a ...Read more
Author:Booth, R; Meyer, TDate:Aug 2010In studies of multi-agent interaction, especially in game theory, the notion of equilibrium often plays a prominent role. A typical scenario for the belief merging problem is one in which several agents pool their beliefs together to form a ...Read more
Author:Pandey, S; Fosso-Kankeu, E; Spiro, MJ; Waanders, F; Kumar, Neeraj; Ray, Suprakas S; Kim, J; Kang, MDate:Dec 2020This work explored the potential of clinoptilolite, molybdenum sulphide (MoS2), and MoS2-clinoptilolite composite in lead (Pb) removal from aqueous medium and industrial mining wastewater. MoS2-clinoptilolite composite was successfully prepared ...Read more
Author:Green, Chéri A; Mans, Gerbrand GDate:Nov 2008The South African constitution affects every citizen's access to basic services and accordingly it has become a legislative requirement for local authorities to prepare integrated development plans (IDPs), develop performance management systems ...Read more
Author:Green, Chéri ADate:Sep 2013The Government Programme of Action (Outcome 12) requires government departments to develop geographic access norms and to set targets for reducing the distances people have to travel to reach services, where this is appropriate. This presentation ...Read more
Author:Prozzi, JA; Sanders, PJ; du Toit, GD; De Beer, MorrisDate:26 May 2009This report describes a new methodology for the determination of Equivalent Damage Factors (EDFs) of vehicles with multiple axle and wheel configurations on pavements. The basic premise of this new procedure is that "equivalent pavement ...Read more
Author:Van Deventer, Martha JDate:Nov 2008Most librarians are much less familiar with the data-generating research phases of the scientific research cycle than with post-research. Data science and data management are an awkward fit with the text-oriented constructs and systems that ...Read more
Author:Schutte, PC; James, JPDate:2007Ergonomic surveys are conducted to identify ergonomics-related risk factors in a workplace. The surveys include elementary hazard identification, risk assessment and identification of areas where specialist ergonomics advice is required. This ...Read more
Author:Schutte, SDate:Apr 2011Reducing occupational injuries and ill health is a strategic objective of all the stakeholders in the South African mining industry. In order to achieve this objective, it is necessary to provide the safest and healthiest work environment ...Read more
Author:Smith, JR; Shaba, MN; Marais, P; Schutte, PC; Mac Duff, L; Malapane, MC; Harper, GS; Romoshebi, JDate:Mar 2002This research report discusses the ergonomics of locomotive designs in South African gold and platinum mines. The purpose of the study was to identify safety aspects of the existing fleet of mine locomotives and rolling stock that could be ...Read more
Author:Schutte, PC; Shaba, MNDate:Mar 2003As a practice, ergonomics applies human-system interface technology to the analysis, design, standardisation and control of systems to improve safety, health, comfort and productivity. A major goal of ergonomics is to minimize design-induced ...Read more
Author:Tugizimana, F; Steenkamp, PA; Piater, LA; Dubery, IADate:Feb 2012Plants have the ability to continuously respond to microbial signals in their environment. One of these stimuli is a steroid from fungal membranes, ergosterol, which does not occur in plants, but acts as a pathogen-associated molecular pattern ...Read more
Author:Gass, BG; Ventura, DFC; De Beer, MorrisDate:Mar 1993The use of stabilised layers is cost effective in road construction in South Africa. Some stabilised materials have however been found to be susceptible to erosion. To identify erodible materials the Erosion Test was developed in 1989. ...Read more
Author:Martirosian, O; Davel, MDate:Nov 2007The authors explore pattern recognition techniques for verifying the correctness of a pronunciation lexicon, focusing on techniques that require limited human interaction. They evaluate the British English Example Pronunciation (BEEP) dictionary ...Read more
Author:Ouma, S; Herselman, Martha E; Van Greunen, DDate:Jul 2010Currently within the developing world, there are many ongoing projects and pilot studies in the healthcare sector. However, there is a tendency of developing the m-health (mobile-health) applications without looking into factors that can lead ...Read more
Author:Reyers, B; Stafford-Smith, M; Erb, K-H; Scholes, RJ; Selomane, OdirilweDate:Jun 2017The imperative to measure progress towards Sustainable Development Goals (SDGs) has resulted in a proliferation of targets and indicators fed by an ever-expanding set of observations. This proliferation undermines one principal purpose of the ...Read more
Author:Phillips, HRDate:Nov 1997Research has shown that one of the most effective methods of preventing the frictional ignition of methane/air mixtures at the coal face is to spray water directly behind the cutting picks and parallel to their direction of travel. However, ...Read more