Author:Wall, KDate:May 2010Aircraft and the motor car, with improved roads, have revolutionised inter-city travel; the internet has revolutionised how learners prepare assignments; computers have revolutionised data sorting and analysis, and so on. This newspaper article ...Read more
Author:Ramatlo, DA; Long, Craig S; Loveday, Philip W; Wilke, DNDate:Oct 2016Our existing Ultrasonic Broken Rail Detection system detects complete breaks and primarily uses a propagating mode with energy concentrated in the head of the rail. Previous experimental studies have demonstrated that a mode with energy ...Read more
Author:Benson, JMDate:Mar 2012Metal powder compaction offers unique advantages in the manufacture of net-shape components using techniques such as laser sintering, conventional press and sintering, metal injection moulding, direct rolling, direct forging, and hot isostatic ...Read more
Author:Amod, S; Wall, K; Rust, CDate:May 2012In 2006 the South African Institution of Civil Engineering (SAICE) released the first ever ‘report card’ of the state of engineering infrastructure in South Africa. This report highlighted ‘the observations of the professionals responsible ...Read more
Author:Adams, J; Raw, J; Riddin, T; Wasserman, J; Van Niekerk, LaraDate:Dec 2021Restoration of salt marsh is urgent, as these ecosystems provide natural coastal protection from sea-level rise impacts, contribute towards climate change mitigation, and provide multiple ecosystem services including supporting livelihoods. ...Read more
Author:Mandiwana, V; Kalombo, Lonji; Venter, Karien; Sathekge, M; Grobler, A; Zeevaart, JRDate:Sep 2015Developing nanoparticulate delivery systems that will allow easy movement and localization of a drug to the target tissue and provide more controlled release of the drug in vivo is a challenge in nanomedicine. The aim of this study was to ...Read more
Author:Dye, P; Naiken, Vivek; Clulow, A; Prinsloo, Eric; Crichton, M; Weiersbye, IDate:Mar 2017The Witwatersrand Basin Goldfields (WBG) have seen over a century of continuous mining that has generated extensive tailings storage facilities (TSF), together with “footprints” remaining after the residue has been removed for reprocessing ...Read more
Author:Krug, Marjolaine J; Tournadre, JDate:Aug 2012Ocean models show an annual cycle in the Agulhas Current transport which has not yet been confirmed in analyses of in-situ or satellite observations. A cross-stream coordinate approach is used to study the variability of the Agulhas Current ...Read more
Author:Smith, Marie E; Bernard, StewartDate:Feb 2020The aquaculture industry of southern Africa faces environmental threats from harmful algal blooms (HABs), which have the potential to cause devastating economic losses (Pitcher et al., 2019). Satellite earth observation offers a systematic ...Read more
Author:Ramoelo, Abel; Skidmore, A; Schlerf, M; Heitkönig, I; Mathieu, Renaud SA; Cho, Moses ADate:Aug 2013Determining the foliar N: P ratio provides a tool for understanding nutrient limitation on plant production and consequently for the feeding patterns of herbivores. In order to understand the nutrient limitation at landscape scale, remote ...Read more
Author:Fisher, JT; Erasmus, BFN; Witkowski, ETF; Van Aardt, J; Wessels, Konrad J; Asner, GPDate:May 2013The co-existence of woody plants and grasses characterize savannas, with the horizontal and vertical spatial arrangement of trees creating a heterogeneous biotic environment. To understand the influence of biogeophysical drivers on the spatial ...Read more
Author:Oyewo, OA; Adeniyi, A; Sithole, Bishop B; Onyango, MSDate:Jul 2020The continuous increase in the wastes generated from forestry, timber, and paper industries has engendered the need for their transformation into economically viable materials for the benefit of mankind. This study reports the preparation and ...Read more
Author:Mabakane, Mabule S; Moeketsi, Daniel M; Lopis, Anton SDate:Dec 2017This paper presents a case study on the scalability of several versions of the molecular dynamics code (DL_POLY) performed on South Africa‘s Centre for High Performance Computing e1350 IBM Linux cluster, Sun system and Lengau supercomputers. ...Read more
Author:Rivers-Moore, NA; Goodman, PS; Nel, JLDate:Jan 2011River systems have strong linear linkages and require innovative solutions to capture these linkages from aquatic conservation planners. The authors applied an approach to freshwater conservation planning to freshwater ecosystems of KwaZulu-Natal ...Read more