Author:Setshedi, Isaac I; Loveday, Philip W; Long, Craig S; Wilke, Daniel NDate:Jul 2019Guided wave based monitoring systems require accurate knowledge of mode propagation characteristics such as wavenumber and group velocity dispersion curves. These characteristics may be computed numerically for a rail provided that the material ...Read more
Author:Erasmus, TC; Du Plessis, HSLDate:1963The objective of the report was to ascertain the order of the residence time distribution within the Drewboy washer.Read more
Author:Smit, Jacoba E; Hanekom, T; Hanekom, JJDate:Mar 2009Neural excitation profile widths at the neural level, for monopolar stimulation with Nucleus straight and contour arrays respectively, were simulated using a combined volume-conduction-neural model. The electrically evoked compound action ...Read more
Author:Mema, V; Hlabela, Simon P; Marx, SDate:Jun 2015Energy recovered from biogas in the form of methane can reduce the usage of electricity generated from fossil fuels thereby lessening greenhouse gas deposits into environment. Sewage sludge produced by Municipal Wastewater Treatment Works ...Read more
Author:Hohls, D; Du Plessis, G; Venter, SN; Steynberg, MC; De Wet, CME; Rodda, N; Kfir, RDate:1995The aim of this study was to evaluate the validity of assumptions, regarding assimilative capacity for microbial contaminants, implicit in microbial water quality management in South Africa. A one dimensional steady state stream water quality ...Read more
Author:Nota, N; Musee, N; Aldrich, CDate:01 Sep 2010Nanotechnology-based applications have dramatically increased in commercial and industrial applications1-3 (see Figures 1, 2 and 3). Also, the growth of nanotechnology-based consumer products (nanoproducts) in the global market is expected ...Read more
Author:De Saxe, Christopher C; Cebon, DDate:Jun 2018High-capacity vehicles have been shown to be highly effective in reducing emissions associated with road freight transport. However, the reduced manoeuvrability of long vehicles often necessitates the use of active trailer steering. Path-following ...Read more
Author:Umuhoza, D; Agbinya, JI; Omlin, CWDate:Aug 2007Estimation of trust in ad-hoc networks is an inevitable basis for hybrid networks to inter-operate. The contributions in this paper provide a framework for estimating the trust between nodes in an ad hoc network based on quality of service ...Read more
Author:Ellero, M; Naidoo, Sasha; Gebreslasie, MDate:Dec 2016Urban Heat Islands (UHI’s) are an increasingly common phenomenon within urban areas around the world. These heat islands may lead to a variety of negative effects, such as health impacts on urban inhabitants and disruption of the functioning ...Read more
Author:Ellero, M; Naidoo, Sasha; Gebreslasie, MDate:Dec 2016Urban Heat Islands (UHI’s) are an increasingly common phenomenon within urban areas around the world. These heat islands may lead to a variety of negative effects, such as health impacts on urban inhabitants and disruption of the functioning ...Read more
Author:Letting, LK; Hamam, Y; Abu-Mahfouz, Adnan MIDate:Aug 2017Demand estimation in a water distribution network provides crucial data for monitoring and controlling systems. Because of budgetary and physical constraints, there is a need to estimate water demand from a limited number of sensor measurements. ...Read more
Author:Van Zijl, MC; Aneck-Hahn, NH; Swart, P; Hayward, S; Genthe, Bettina; De Jager, CDate:Nov 2017Endocrine disrupting chemicals (EDCs) are ubiquitous in the environment and have been detected in drinking water from various countries. Although various water treatment processes can remove EDCs, chemicals can also migrate from pipes that ...Read more
Author:Van Niekerk, Lara; De Villiers, P; Gordon, A; Lamberth, SJ; Adams, J; Yumat, Z; Olds, ADate:Nov 2017This is the second report on estuaries in the Western Cape State of Biodiversity Report series. Estuaries from an integral part in the ecosystem connectivity between terrestrial systems, freshwater aquatic processes, and the ocean and cannot ...Read more
Author:Mackay, F; Weerts, Steven P; Gouws, G; Maduna, SDate:Oct 2017Recent observations (1) of purported South African endemic species from south east Madagascar prompted the “Suitcase” programme, supported by the African Coelacanth Ecosystem Programme (ACEP), to investigate regional genetic connectivity of ...Read more
Author:Botha, J; Eloff, M; Grobler, MDate:Sep 2016Pro-actively finding leaked information online can potentially reduce detection times to limit the exposure time of personal information on publicly accessible networks. Often the breaches are discovered by an external third party and not the ...Read more
Author:Cooper, Antony K; Ittmann, HW; Stylianides, T; Schmitz, PDate:Oct 2009Early in 2007, the Council for Scientific and Industrial Research (CSIR) conducted an experiment to track the cellular telephones of a small group of people as they moved to and from an event, to test the viability of using such tracking to ...Read more
Author:Wright, CDate:Jul 2011From the moment we are born, we learn about the right and wrong ways of doing things in society. Using simple phrases such as ‘please’ and ‘thank you’ and abiding by more complicated ‘golden rules’ such as respecting another person’s opinion ...Read more