Author:Roman, HJ; Burgess, JE; Pletschke, BIDate:May 2006The aim of anaerobic digestion of primary sewage sludge is to convert the carbonaceous material contained in the solids into methane and carbon dioxide. The products of digestion are therefore gases, stabilised sludge solids which are ...Read more
Author:Walker, D; Smigaj, M; Jovanovic, NebojsaDate:May 2019Ephemeral sand rivers are common throughout the world's dryland regions, often providing a water source where alternatives are unavailable. Alluvial aquifer recharge results from rare surface water flows. Assessment of surface flow frequency ...Read more
Author:Fossey, ADate:Jun 2009Gene regulatory processes lead to differential gene expression and are referred to as epigenetic phenomena; these are ubiquitous processes in the biological world. These reversible heritable changes concern DNA and RNA, their interactions, ...Read more
Author:Phala, N; Garland, Rebecca M; Thambiran, Tirusha; Naidoo, M; Padayachi, YDate:Oct 2012Air pollution and the related health problems facing South Africa today are a unique blend of those faced by both developing and developed countries. Poor air quality is a concern in many parts of the country, potentially contributing to ...Read more
Author:Kesavan Pillai, Sreejarani; Ray, SSDate: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: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