Author:Moodley, RS; Andrew, Jerome E; Sithole, Bishop BDate:Mar 2018Bark, a major waste residue in the forestry, timber, pulp and paper industry has been shown to be a potential source of valuable chemicals. The chemical composition of bark extracted from South African plantation grown E. grandis and P. patula ...Read more
Author:Geldenhuys, CJDate:Jan 1994A hypothesis is developed that environmental factors (rainfall and substrate) determine the potential limits of forest distribution, but that actual forest location pattern is determined by the fire pattern, which in turn is determined by the ...Read more
Author:Litvin, IA; Forbes, ADate:May 2008The authors investigate a conventional resonator configuration, using only spherical curvature optical elements, for the generation of Bessel–Gauss beams. This is achieved through the deployment of a suitable amplitude filter at a Fourier ...Read more
Author:Anochie-Boateng, JosephDate:Sep 2011The author of this article is conducting research in South Africa which addresses the difficulties in pavement design in developing methods and procedures for accurate quantification of aggregate shape and surface properties, which are well ...Read more
Author:Pretorius, Morne; Ngejane, Hombakazi CDate:Dec 2019The South African Government’s National Cybersecurity Policy Framework (NCPF) of 2012 provides for the establishment of a national computer security incident response team (CSIRT) in the form of the National Cybersecurity Hub— more correctly ...Read more
Author:Nahman, Anton; Mahumani, BK; De Lange, Willem JDate:Feb 2016Worldwide, there is increasing recognition of the need for countries to pursue a "green economy". Given the broad (economic, social and environmental) objectives of a green economy, and the limitations associated with mainstream measures of ...Read more
Author:Mitchell, P; Plug, I; Bailey, G; Charles, R; Esterhuysen, A; Thorp, JL; Parker, A; Woodborne, SDate:Mar 2011The activities of hunter-gatherers are often captured in rockshelters, but here the authors present a study of a riverside settlement outside one, with a rich sequence from 1300 BC to AD 800. Thanks to frequent flooding, periods of occupation ...Read more
Author:Malherbe, Johan; Landman, WA; Engelbrecht, FADate:Jun 2014The association between bi-decadal rainfall variability over southern Africa and the rainfall contributed by tropical cyclonic systems from the Southwest Indian Ocean (SWIO) provides a potential means towards understanding decadal-scale ...Read more
Author:Ndlovu, Z; Desai, D; Pandelani, Thanyani A; Ngwangwa, H; Nemavhola, FDate:Feb 2022This study assesses the modelling capabilities of four constitutive hyperelastic material models to fit the experimental data of the porcine sclera soft tissue. It further estimates the material parameters and discusses their applicability ...Read more
Author:Ndlovu, Z; Desai, D; Pandelani, Thanyani A; Ngwangwa, H; Nemavhola, FDate:Feb 2022This study assesses the modelling capabilities of four constitutive hyperelastic material models to fit the experimental data of the porcine sclera soft tissue. It further estimates the material parameters and discusses their applicability ...Read more
Author:Van Wilgen, BW; Boshoff, N; Smit, IPJ; Solano-Fernandez, S; Van der Walt, LuanitaDate:Apr 2016We conducted a bibliometric analysis of research in or about South African National Parks, published between 2003 and 2013. Our goal was to identify the major research topics, and to examine the role of in-house (“embedded”) researchers in ...Read more
Author:Chowdhury, M; Cummings, F; Kebede, Mesfin A; Fester, VDate:Sep 2016A simple solution based deposition process has been used to fabricate Zn doped Co(sub3)O(sub4) electrode as an electrocatalyst for non-enzymatic oxidation of glucose. XRD, HRTEM, SEM, EELS, AFM, EIS was used to characterise the electrode. The ...Read more
Author:Mokhothu, Thabang H; John, Maya JDate:Oct 2017In this study, bio-based coatings were used for reducing water sorption of composites containing flame retardant treated natural fibres and phenolic resin. Two types of coatings; polyfurfuryl alcohol resin (PFA) and polyurethane (PU) were ...Read more
Author:Naidu, Darrel S; Hlangothi, SP; Mathew, MJDate:Jan 2018Obtaining chemicals and materials in sustainable ways is of growing importance. A potential source of sustainable chemicals and materials is lignocellulosic biomass residues generated as waste from agriculture. Hemicellulose which is a large ...Read more
Author:Olwal, TO; Masonta, Moshe T; Mekuria, FissehaDate:Jun 2014In the recent past, research in the next generation wireless heterogeneous broadband networks has favoured the design of multi-radio interface over the single radio interface architectures in order to support desirable features such as a ...Read more
Author:Lain, Lisl; Kravitz, J; Smith, Marie EDate:Nov 2023The diversity of phytoplankton communities and the robustness of ecosystem stability over annual and interannual time scales is not well characterized in South Africa. Extensive optical & biogeochemical field measurements are being collected ...Read more