Author:Mouton, F; Malan, MM; Kimppa, KK; Venter, HSDate:Nov 2015Social engineering is deeply entrenched in the fields of both computer science and social psychology. Knowledge is required in both these disciplines to perform social engineering based research. Several ethical concerns and requirements need ...Read more
Author:Manus, N; Manus, L; Wall, K; Otterman, ADate:Jul 2010The South African government has prioritised infrastructure asset management as a critical element in sustaining services to all. Responsibility for implementing water services lies principally with municipalities in their role as statutory ...Read more
Author:Duvenhage, F; Brent, AC; Stafford, William HLDate:Mar 2019The rapid global growth in the use of renewable energy to reduce GHG emissions and mitigate climate change, through the inclusion of large amounts of PV and wind in existing electricity grids, has highlighted certain challenges. Most critically, ...Read more
Author:Duvenhage, F; Brent, AC; Stafford, William HLDate:Mar 2019The rapid global growth in the use of renewable energy to reduce GHG emissions and mitigate climate change, through the inclusion of large amounts of PV and wind in existing electricity grids, has highlighted certain challenges. Most critically, ...Read more
Author:Celliers, Louis; Scott, D; Taljaard, Susan; Ngcoya, M; Audouin, Michelle ADate:Sep 2012In May 2011, the CSIR (Natural Resources and the Environment), in partnership with University of KwaZulu-Natal’s (UKZN) School of Development Studies (SDS, now School of Built Environment and Development Studies – SBEDS) submitted a proposal ...Read more
Author:Celliers, Louis; Scott, D; Ngcoya, M; Taljaard, SusanDate:Sep 2021Hybrid science-society approaches for knowledge production are often framed by a transdisciplinary approach. Most forms of “linear” progression of science informing policy or the “production” of knowledge as a one-way process are increasingly ...Read more
Author:Lloyd, CD; Bhatti, S; McLennan, D; Noble, M; Mans, Gerbrand GDate:Jun 2021Capturing the dynamics of population change in urban areas necessitates access to geographically fine-grained and temporally consistent data for several time points. Such data are generally not available and they must be created using standard ...Read more
Author:Gibberd, Jeremy TDate:2013It is increasingly acknowledged that current plans to implement sustainability are not achieving the scale and speed of change required. National built environment strategies to address sustainability tend to focus on large-scale programmes ...Read more
Author:Molemans, M; Van Leth, F; McKelly, David H; Wood, R; Hermans, SDate:Nov 2022Background: Individuals with a history of tuberculosis (TB) disease are at higher risk of developing a subsequent episode than those without. Considering the role of social and environmental factors in tuberculosis, we assessed neighbourhood-level ...Read more
Author:Manzi, MSD; Hein, KAA; King, N; Durrheim, RJDate:Apr 2013First-order scale structures in the West Wits Line and West Rand goldfields of the Witwatersrand Basin (South Africa) were mapped using the high-resolution 3D reflection seismic method. Structural models constrain the magnitude of displacement ...Read more
Author:Oranje, M; Van Huyssteen, ElsonaDate:Dec 2011In this article, it is argued that South Africa’s post-1994 dream is marked by a tension between servicing and transformation – mutually supporting, but potentially also divergent set of intentions, processes and outcomes. Towards the end of ...Read more
Author:Awoyemi, BS; Alfa, Attahiru S; Maharaj, BTDate:Sep 2019This paper investigates highly efficient network restoration models for wireless sensor networks (WSNs) to be deployed for next-generation (xG) applications. The developed network restoration models are designed with two main goals in mind. ...Read more
Author:Pauck, WJ; Venditti, R; Pocock, J; Andrew, JDate:2014The removal of ink from recovered papers by flotation deinking is considered to be the “heart” of the paper recycling process. Attempts to model the deinking flotation process from first principles has resulted in complex and not readily ...Read more
Author:Maree, JP; Du Plessis, PDate:1994Traditionally, Lime is used for the neutralization of acidic effluents. Calcium carbonate should be considered as an alternative because of considerations such as lower cost, low solubility at pH values greater than 7 and simple dosing system ...Read more
Author:De Beer, FC; Coetzer, M; Fendeis, D; Silva, ADCDate:Oct 2004A few nondestructive examination (NDE) techniques are extensively being used worldwide to investigate aircraft structures for all types of defects. The detection of corrosion and eliminations, which are believed to be the major initiators of ...Read more
Author:Roos, TH; Quin, RL; De Beer, FC; Nshimirimana, RMDate:Sep 2011Probably the most common method of reverse engineering in mechanical engineering involves measuring the physical geometry of a component using a coordinate measuring machine (CMM). Neutron tomography, in contrast, is used primarily as a ...Read more
Author:Fourie, CJS; Henry, GDate:Jul 2009The Waterberg Coalfield in the Limpopo Province contains vast resources of coal and is the next area that will supply South Africa with energy well into the future. The coalfield is in the Karoo-age Ellisras Basin. Coal was discovered in the ...Read more
Author:Archibald, CGMDate:1967The thallus is not gelatinous but is diffuse and pale grey-green in colour. The trichomes are without a sheath and are straight or curved, often closely entangled and rarely coiled. The dull blue- green trichomes are markedly constricted at ...Read more
Author:Giffen, MHDate:1970During a visit to Cape town in December 1967, the opportunity was sized to visit the sea shore at Sea point, a suburb and seaside resort near Cape Town, For the purpose of obtaining fertile class material of Laminaria, Ecklonea and polysiphonia ...Read more
Author:Gille, S; Josey, S; Swart, SebDate:May 2016Air-sea exchanges in the Southern Ocean of momentum, heat, freshwater, carbon dioxide, and other gases are not well documented because fluxes are sparsely sampled (see Figure 1) and because high winds, high sea state, and lack of calibration ...Read more