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
Author:Adegbola, TA; Rotimi, SE; Suprakas, Sinha RDate:Apr 2016The compounding of rPAN/PET [polyacrylonitrile/poly(ethylene terephthalate]; 30/70, 50/50, and 70/30 wt %) using a melt-blending technique was the main focus of this investigation. An X-ray diffraction study indicated the possibility of ...Read more
Author:Mavuso, MA; Makgwane, Peter R; Ray, Suprakash SDate:Nov 2020The effective Ce3+/Ce4+ redox and oxygen mobility of CeO2 induced by tunable nanostructure morphology has attracted a great interest in photocatalytic organic synthesis. Herein, we report on the microwave‐assisted synthesis of CeO2 with ...Read more
Author:Mngomezulu, ME; Luyt, AS; Mathew, Maya JDate:Dec 2017This work reports on the effect of expandable graphite (EG) on the morphology, thermal and dynamic mechanical properties of flame retardant poly(lactic acid) (PLA)/EG composites. The composites were prepared by melt-mixing and their structure, ...Read more
Author:Wokadala, OC; Ray, SS; Bandyopadhyay, J; Wesley-Smith, J; Emmambux, NMDate:Aug 2015Polylactide/butylated-starch/nanoclay (70/25.5/4.5 wt%) composites were prepared by melt blending with nanoclays of varying hydrophobicity. Electron microscopy studies indicated that the interphase boundary interaction was highest in the clay ...Read more
Author:Marais, Laurette; Wilken, IlanaDate:Nov 2021Research attempting to describe and quantify the differences between spoken and written language has been done for languages such as English, but not for isiZulu. In this paper, we present a quantitative investigation into such differences ...Read more
Author:Loedolff, C.JDate:20 Jan 2011The use of oxidation pounds (or sewage lagoons) by small communities as a system of sewage purification has been provisionally accepted in Southern Africa for many reason, the most important being the low cost when compared with the conventional ...Read more