Author:Nordengen, Paul ADate:Mar 2010As part of a Performance-Based Standards (PBS) research programme for heavy vehicles in South Africa, a need was identified to design, manufacture and operate a number of PBS demonstration vehicles in order to gain practical experience in the ...Read more
Author:Singh, RG; Engelbrecht, Jeanine; Botha, GA; Kemp, JDate:Oct 2014Soil erosion is a major geohazard that may pose both localized and off-site threats. Erosion by wind and water has caused severe land degradation in the Eastern Cape and if left uncontrolled may have detrimental consequences in critical ...Read more
Author:Theron, Andre; Engelbrecht, JeanineDate:Oct 2018Aquifers are able to contain significant amounts of water, which is typically stored in the pore spaces between sand particles or in the fissures and matrix of rocks. This groundwater is an increasingly important source of water in many parts ...Read more
Author:Parish, G; Musca, CA; Siliquini, JF; Antoszewki, J; Dell, Jm; Nener, BD; Faraone, L; Gouws, GJDate:Jul 1997A monolithic HgCdTe photoconductive device structure is presented that is suitable for dual-band optically registered infrared photodetection in the two atmospheric transmission windows of 3-5 mu m and 8-12 mu m, which correspond to the ...Read more
Author:Gush, Mark B; Le Maitre, David C; Dzikiti, SebinasiDate:Oct 2015South Africa is a dry country facing climate change, population expansion and economic growth, resulting in increasing water scarcity and competition for water. The irrigated agriculture and forestry sectors have been allocated approximately ...Read more
Author:Sogoni, Zukisa; Ngidi, MawandeDate:Jul 2016South Africa, as a developing country, is faced with a number of challenges, one of which is the provision of social facilities in an equitable and sustainable manner. The problem is compounded by uneven and dualistic development arising from ...Read more
Author:Sogoni, ZDate:Jul 2016CSIR was contracted to undertake research and develop access and threshold standards to guide the development of social facilities in rural South Africa.Read more
Author:Plauché, M; De Waal, A; Sharma Grover, A; Gumede, TDate:2010Successful ICT projects depend on complex, interrelated sociological and technical factors for which there are no standard theoretical framework for prediction or analysis. Morphological analysis is a problem-solving method for defining, ...Read more
Author:Mbonyiryivuze, A; Nuru, ZY; Ngom, BD; Mwakikunga, Bonex W; Dhlamini, SM; Park, E; Maaza, MDate:Jun 2015Melanins are difficult to characterize because of their intractable chemical properties and the heterogeneity in their structural features. Melanin pigments, in fact, are composed of many different types of monomeric units that are connected ...Read more
Author:Kesavan Pillai, Sreejarani; Ray, SS; Scriba, Manfred R; Ojijo, Vincent O; Hato, MJDate:Jul 2013Biocomposites containing ultraviolet (UV) radiation absorbing inorganic nanofillers are of great interest in food packaging applications. The biodegradable polylactide (PLA) composite films were prepared by solvent casting method by incorporating ...Read more
Author:Sibisi, PN; Popoola, API; Arthur, Nana KK; Pityana, Sisa L; Popoola, OMDate:Oct 2019Direct Metal Laser Deposition (DMLD) processes such as LENS are gaining ground in commercial manufacturing processes of functional end-products. This is attributed to this process being popularized as a sustainable technology with the potential ...Read more
Author:Motloung, Mpho P; Ojijo, Vincent O; Sinha Roy, JayitaDate:Nov 2019This work investigates the effect of cellulose nanocrystal (CN) loading on the properties of polylactide/poly(e-caprolactone) (PLA/PCL) (70/30) blend processed in a twin-screw extruder as a potential material that can be utilized in various ...Read more
Author:Botlhoko, Orebotse J; Ramontja, J; Ray, Suprakas SDate:Mar 2018Graphene nanosheets with relatively high surface areas and few layers were prepared by the thermal shocking of graphene oxide at 700 °C for the development of biodegradable polylactide/poly(e-caprolactone) (PLA/PCL) blend composites via a ...Read more
Author:Mujaju, C; Chakauya, EDate:2008Sorghum (Sorghum bicolor) is one of the most important cereal crops cultivated in, the semi-arid areas of Zimbabwe where persistent drought, high temperatures and poor edaphic conditions are endemic. Because of their adaptation, landraces are ...Read more
Author:Haldar, I; Biswas, M; Nayak, A; Ray, Suprakas SDate:Oct 2012Poly(N-vinyl carbazole) (PNVC) and polypyrrole (PPY)-montmorillonite (MMT) clay hybrids were prepared by mechanical grinding of the respective monomers with MMT followed by subsequent standard processing methods. Fourier transform infrared ...Read more
Author:Haldar, I; Biswas, M; Nayak, A; Ray, Suprakas SDate:Oct 2012Poly(N-vinyl carbazole) (PNVC) and polypyrrole (PPY)-montmorillonite (MMT) clay hybrids were prepared by mechanical grinding of the respective monomers with MMT followed by subsequent standard processing methods. Fourier transform infrared ...Read more
Author:Gcwabaza, T; Suprakas, SR; Focke, WWDate:Oct 2008Forming a polymer blend is a convenient method for obtaining materials with improves property performance. However, most chemically different polymers are immiscible and their blending leads to a material with weak interfacial adhesion and ...Read more
Author:Ogunniran, ES; Sadiku, R; Ray, SS; Luruli, NDate:Dec 2011Boehmite alumina nanoparticles are added to PP-g-MAH-compatibilized blends of PA 12 and PP to study the effects of nanoparticle loading in the resulting composites. WAXD and SEM data suggest that the nanoparticles enhanced the coalescence of ...Read more