Author:King, J; Pienaar, HarrisonDate:Sep 2011Water resources provide important benefits to humankind in the form of commodities such as water and food and by enhancing lives in many other ways. In South Africa, a water-scarce country, we recognise that water resources are under stress ...Read more
Author:Simelane, SengiphileDate:May 2018This presentation focuses on the rural areas in Swaziland's access to electricity. Commitment from Government has continued to promote rural and regional development through the Regional Development Fund (RDF) and Tinkhundla Centres. In ...Read more
Author:Smith, Andrew CDate:Jun 2009In this paper the authors report on an explorative study done with children with the aim of developing symbols for a tangible programming environment that does not incorporate written text. The authors describe the methodology, provide results ...Read more
Author:Khawula, TNY; Raju, Kumar; Franklyn, PJ; Sigalas, I; Ozoemena, KIDate:Mar 2016Molybdenum disulfide-modified carbon nanospheres (MoS(sub2)/CNS) with two different morphologies (spherical and flower-like) have been synthesized using hydrothermal techniques and investigated as symmetric pseudocapacitors in an aqueous ...Read more
Author:Phan, AV; Napier, JAL; Gray, LJ; Kaplan, TDate:14 Jun 2003A symmetric-Galerkin boundary element framework for fracture analysis with frictional contact (crack friction) on the crack surfaces is presented. The algorithm employs a continuous interpolation on the crack surface (utilizing quadratic ...Read more
Author:Jacobs-Mata, Inga M; Nienaber, SDate:Nov 2010YSF is a WRC-funded initiative that strives to raise awareness about, and build capacity in, transdisciplinarity in the SADC water sector. This forum is an issue-driven, collaborative exchange for young water professionals and students, and ...Read more
Author:Crocker, H; Gorda, B; Pelosse, M; Thimiri Govindaraj, Deepak B; Berger, IDate:May 2021Baculovirus expression vector systems (BEVS) are widely used to produce heterologous proteins for a wide range of applications. Developed more than 30 years ago, BEVS have been constantly modified to improve product quality and ease-of-use. ...Read more
Author:Agboola, BO; Ozoemena, KIDate:Jun 2010Supercapacitive behaviour of a novel functional material, nickel (II) octa [(3,5-biscarboxylate)-phenoxy] phthalocyanine (NiOBCPPc) upon covalent integration with phenylamine functionalized single-walled carbon nanotubes (SWCNT-phenylamine ) ...Read more
Author:Gibberd, Jeremy TDate:Nov 2020The International Panel on Climate Change (IPCC) indicates that ‘multiple synergies will be required to achieve the goals of sustainable development, including climate adaptation and mitigation, poverty eradication and reducing inequalities’. ...Read more
Author:Engelbrecht, CJ; Landman, WA; Engelbrecht, FA; Malherbe, JohanDate:May 2015A synoptic climatology is derived for the Cape south coast region of South Africa by application of the self-organizing map (SOM) technique. The SOM is applied to average daily low-level circulation fields, as represented by sea-level pressure ...Read more
Author:Nonjola, Patrick NT; Mathe, Mahlanyane K; Hietkamp, SDate:Dec 2007Great effort in research and development has been made over the years to improve and commercialize new electricity generating systems. To provide an alternative energy carrier, an appropriate conversion technology is needed to form high quality ...Read more
Author:Masombuka, T; Modibedi, Remegia M; Mathe, Mahlanyane KDate:Jun 2008Ethanol is an alternative choice fuel for polymer electrolyte membrane fuel cells (PEMFC), due to its nontoxicity and its availability from biomass resources advocates its use in direct ethanol fuel cells. In this study PtSn/C and PtIr/C ...Read more
Author:Kabwe, KP; Nsibande, SA; Lemmer, Yolandy; Pilcher, LA; Forbes, PBCDate:Nov 2021This work explores the potential use of cadmium-based quantum dots (QDs) coupled to mycolic acids (MAs) as a fluorescent probe to detect anti-MA antibodies which are biomarkers for tuberculosis (TB). The use of free MAs as antigens for the ...Read more
Author:Motshekga, Sarah C; Ray, Suprakas S; Maity, ArjunDate:Feb 2018The use of polymer nanocomposites as novel materials for water remediation has emerged as a promising alternative for disinfection of bacteria contaminated water. Sodium alginate, a natural biopolymer has been investigated in this study by ...Read more
Author:Kebede, Mesfin A; Dejene, FBDate:Jul 2011Europium-doped barium magnesium aluminate (BaxMgyAl2O4:Eu) phosphors were obtained at low temperature using the solution-combustion of corresponding metal nitrate-urea solution mixtures. The particle sizes, morphology, structural and luminescent ...Read more
Author:Luo, H; Vaivars, G; Mathe, Mahlanyane KDate:Mar 2010The sulfonated and sulfinated polyetheretherketone (SsPEEK) was prepared via a novel method. SsPEEK has two types of functional groups, the functional groups for ion-exchange and the functional groups for further strengthening of the ion-exchange ...Read more
Author:Aderibigbe, BA; Sadiku, ER; Ray, SS; Mbianda, XY; Fotsing, MC; Agwuncha, SC; Owonubi, SJDate:Oct 2015Polyamidoamine conjugates of neridronic acid were synthesized by a one-pot aqueous phase Michael addition reaction of N, N0-methylenebisacrylamide with selected primary and secondary amines and neridronic acid. This reaction involved the use ...Read more