Author:Mostert, FJ; Olivier, MariusDate:Oct 2011It is well known that an intense flash of light is emitted when an explosive charge is detonated. The light emission continues well beyond the actual detonation process due to shock excitation of the air molecules around the charge, as well ...Read more
Author:Popp, A; Lück-Vogel, Melanie; Blaum, N; Jeltsch, FDate:Nov 2009In this study, the authors present a stochastic landscape modeling approach that has the power to transfer and integrate existing information on vegetation dynamics and hydrological processes from the small scale to the landscape scale. To ...Read more
Author:Aramide, B; Jamiru, T; Pityana, Sisa L; Sadiku, R; Popoola, PDate:Apr 2022The poor tribological property and the high susceptibility of steel material used in mining and tillage tools to wear and corrosion attack during mining and tillage operations have brought about the need to enhance its property. Hence, this ...Read more
Author:Mahamood, RM; Akinlabi, ET; Shukla, M; Pityana, Sisa LDate:Sep 2013Ti6Al4V is the most widely used titanium alloy in the aerospace industry because of its excellent properties. However, the wear resistance behaviour of this material is not very impressive and surface damage occurs in applications involving ...Read more
Author:Kunert, HW; Machatine, AGJ; Niyongabo, P; Govender, M; Mwakikunga, Bonex WDate:Aug 2012The selection rules (SR’s) for the Kronecker product (KP) of Si and Ge irreducible representations (irreps) are required to determine the intervalley scattering processes. The SR’s for transitions between the lowest conduction band minima at ...Read more
Author:Ojoyia, M; Mutanga, O; Mwenge Kahinda, Jean-Marc; Odindi, J; Abdel-Rahman, EMDate:Jan 2017Climate variability and change continue to be a threat to Africa’s agro-ecosystems. This is anticipated to have a multitude of immediate and long-term impacts on sub-Saharan Africa’s natural resources of the present study attempts to establish ...Read more
Author:Claassen, Marius; Funke, Nicola S; Nienaber, SDate:Jan 2013In 2008 the Water Research Commission initiated a project to develop ‘Water Sector Institutional Landscape in 2025 Scenarios’. The aim was to build knowledge about key drivers and uncertainties related to the future of the South African water ...Read more
Author:Gouws, E; Williams, BGDate:Jun 2000This article deals with a review of the literature covering several aspects of HIV/AIDS and related disease in South Africa. These include social, behavioural, epidemiological, clinical and molecular studies. During the first period covered ...Read more
Author:Scholes, RJ; Anderson, F; Kenyon, C; Napier, J; Ngoepe, P; Van Wilgen, BW; Weaver, ADate:Nov 2008The CSIR celebrated its 60th anniversary in 2006 by taking a long, hard look at its continuing role in South Africa. This paper was written by the CSIR Fellows, at the invitation of the Department of Science and Technology, to capture some ...Read more
Author:De Wet, Benita; Komakech, CDate:Nov 2011Over the last two decades the ecological restoration of industrial land has developed into a specialist science combined with highly sophisticated management activities. A prime example of this approach is a unique partnership between the ...Read more
Author:Von der Heyden, S; Lukey, P; Cilliers, Louis; Prochazka, K; Lombard, ATDate:Dec 2016Research is a key resource in a knowledge economy and governance system. In order to enable research to benefit the nation and to contribute to growing the knowledge-based economy (the aims of the Global Change Grand Challenge, and specifically ...Read morecb
Author:Scholes, RJ; Schreiner, G; Snyman-Van der Walt, LDate:Jan 2017Background: The science–policy interface process – known as a ‘scientific assessment’ – has risen to prominence in the past few decades. Complex assessments are appropriate for issues which are both technically complicated, multifaceted and ...Read more
Author:Van Wilgen, BWDate:Jan 2004This article examines scientific challenges in the field of invasion alien plant management in South Africa. Overview of the Working for Water program, Issues of research funding, and Biological control research. It also includes some of the ...Read more
Author:Funke, Nicola S; Nienaber, S; Henwood, RDate:Nov 2011This paper examines the complexity of the South African policy-making context and its official and non-official actors and investigates the challenges that scientists face when trying to exert their influence here in order to strengthen the ...Read more
Author:Mahwai, Nare J; Phiri, Charles; Dlamini, Sifiso B; Herselman, Martha E; Meyer, Isabella ADate:Jun 2023Governments globally are making notable efforts to facilitate conversations with citizens to improve their participation in government decisionmaking by using various digital technologies in what could be coined as electronic participation ...Read more
Author:Motheeram, Preia; Herselman, Martha E; Botha, AdèleDate:Mar 2018This article presents a scoping review of digital open badge ecosystems. A scoping review can be seen as a methodology for systematically assessing the breadth of available research literature. This article is aimed at identifying the nature, ...Read more
Author:Van Schalkwyk, A; Grobbelaar, SS; Vermeulen, E; Herselman, Martha EDate:Nov 2022There is a growing trend in the potential benefits and application of log data to evaluate mHealth Apps. Unfortunately, log analyses within this field are faced with challenges such as unregulated processes, questionable validity of the ...Read more
Author:Bhebhe, M; Grobbelaar, S; Herselman, Martha EDate:Aug 2023There has been a major increase in the development of new telemedicine products post the Covid-19 pandemic. The need for these products continues to rise due to the expansion of the ageing population and the desire to have robust health systems ...Read more
Author:Maharaj, R; Maharaj, V; Crouch, NR; Bhagwandin, N; Folb, PI; Pillay, P; Gayaram, RDate:Aug 2011This study was conducted to evaluate whether a selection of South African ethnomedicinal plants included in this study displayed insecticidal properties when screened against adult stages of the mosquito. 381 crude extracts of 80 plant taxa ...Read more
Author:Taljaard, Susan; Slinger, JH; Van Niekerk, LaraDate:Sep 2017Despite mounting evidence of the harm associated with excessive nutrient loading to estuaries, tools to translate this body of knowledge into sound environmental management and planning practices in datapoor environments are lacking. In this ...Read more