Author:Van Reenen, Coralie A; Du Plessis, ChrisnaDate:Aug 2021This research set out to broaden the pool of evidence regarding the acoustic conditions at schools in South Africa. A review of local and international literature, standards and design guidelines shows that the ideal classroom acoustic ...Read more
Author:Du Plessis, CDate:Sep 2005Sustainable development, and by extension sustainable building, is an evolving concept that relies for its implementation on the development of regional and local approaches and solutions. There is, in particular, a split between the definitions, ...Read more
Author:Rosman, Benjamin S; Ramamoorthy, SDate:Apr 2015An agent tasked with solving a number of different decision making problems in similar environments has an opportunity to learn over a longer timescale than each individual task. Through examining solutions to different tasks, it can uncover ...Read more
Author:Tucker, J; Ludi, E; Mason, N; Cullen, B; Lema, Z; Duncan, A; Musvoto, Constansia D; Habtu, SDate:May 2013Stakeholder platforms are popular among agricultural innovation projects. However, there has been limited critical or comparative research on these platforms, exploring what outcomes can be expected and what makes platforms effective or ...Read more
Author:Wepener, V; Van Vuren, JHJ; Chatiza, FP; Mbizi, Z; Slabbert, L; Masola, BDate:2005This paper presents results from a field study in the Rietvlei Wetland system, Gauteng, South Africa using the freshwater mollusk and freshwater fish as bioindicator organisms. Active biomonitoring (ABM) exposures were conducted where organisms ...Read more
Author:Kesavan Pillai, Sreejarani; Sivakumar, D; Ray, SS; Obianom, P; Eggers, SK; Mhlabeni, TDate:Nov 2020In this study, the ability of an active film containing volatile bioactives in post-harvest disease control and preservation of quality in avocados is explored as a non-traditional treatment method. Antimicrobial transparent flexible trilayer ...Read more
Author:Govender, Nicolin; Claassens, J; Nicolls, F; Warrell, JDate:Jan 2013For mobile robots to perform certain tasks in human environments, fast and accurate object classification is essential. Actively exploring objects by changing viewpoints promises an increase in the accuracy of object classification. This paper ...Read more
Author:Simpson, B; van Wyngaardt, FDate:27 Feb 2006Activity measurements undertaken at the CSIR's National Metrology Laboratory (NML) on a solution of the pure beta-emitting radionuclide phosphorus-32, which formed part of an international key comparison, are described. Since exploratory ...Read more
Author:Simpson, BRS; Van Wyngaardt, WMDate:2006Authors describe the activity measurements undertaken at the CSIR’s National Metrology Laboratory on a solution of the pure beta emitting Radio nuclide phosphorus-32 that formed part of an international key comparison. Depending on the ...Read more
Author:Simpson, BRS; Van Wyngaardt, WMDate:Oct 2006The absolute activities of the pure beta-emitters Sr-89 and Y-90 have been determined by a direct method, namely the triple-to-double coincidence ratio (TDCR) efficiency calculation technique. This undertaking has extended further the number ...Read more
Author:Afolayan, AJ; Wintola, OA; Fouché, GerdaDate:2016The acute and subacute toxicity profile of the aerial extract of Monsonia angustifolia in Wistar rats was evaluated. The Organization for Economic Cooperation and Development (OECD) 420 guideline was adopted in the acute toxicity testing with ...Read more
Author:Lukhele, LP; Mamba, BB; Musee, N; Wepener, VDate:Jan 2015This study investigated the toxicity of double walled carbon nanotubes (DWCNTs) to three aquatic organisms, namely, Pseudokirchneriella subcapitata, Daphnia pulex, and Poecilia reticulata under the influence of exposuremedia properties ...Read more
Author:Elphinstone, CD; Koen, Renée; Das, SonaliDate:Aug 2009The paper discusses the ad hoc statistical consulting service initiated within the CSIR that has proved successful; however, resourcing remains a major challenge. Even limited advertising of the service within the CSIR resulted in many requests ...Read more
Author:Oladele, DA; Markus, ED; Abu-Mahfouz, Adnan MIDate:Nov 2021Background: With the projected upsurge in the percentage of people with some form of disability, there has been a significant increase in the need for assistive mobility devices. However, for mobility aids to be effective, such devices should ...Read more
Author:Thambiran, Tirusha; Naidoo, SashaDate:Oct 2017Typically, mitigation and adaptation research has been developed separately, with the mitigation research community focused on taking a global approach to limiting cumulative greenhouse gas (GHG) emissions. The adaptation research community, ...Read more
Author:Nair, Kishor K; Pillai, MM; Lefophane, Samuel; Nair, HDDate:Sep 2020Towards the end of 2030, the global population is estimated to be around 8.5 billion. Half of the human population live today in cities and these cities continues to grow exponential growth as people migrate to urban areas in search of a ...Read more
Author:Mokoena, Refiloe; Mturi, Georges AJ; Maritz, Johan; Malherbe, Johan; O'Connell, Johannes SDate:Oct 2019Performance grade specifications for bituminous binders focus on the evaluation of bitumen properties based on the loading and environmental conditions under which the material will be subjected to in the field. The temperature of the asphalt ...Read more
Author:Arabi, Sumaiya; Taljaard, Susan; Weerts, Steven PDate:Mar 2022Globally sustainable environmental practices in ports have been linked to socio-economic benefits. While African ports are increasingly acknowledging environmental issues and starting to address these in environmental policy, many are still ...Read more
Author:Robins, NS; Chilton, PJ; Cobbing, JEDate:Jan 2007Whilst groundwater vulnerability mapping and the delineation of resource and source protection zones have become an appropriate set of management tools for Britain as incorporated in European policy, much of semi-arid Africa is still dealing ...Read more