Author:Twala, BV; Sewell, BT; Jordaan, JDate:Jan 2010Immobilisation of enzymes is of considerable interest due to the advantages over soluble enzymes, including improved stability and recovery. Glucose Dehydrogenase (GDH) is an important biocatalytic enzyme due to is ability to recycle the ...Read more
Author:Bannister, MDate:Apr 2011Comparative assessment polyphenol oxidase immobilized on Dendrispheres with immobilization on Eupergit C, Eupergit C 250L and DEAE Sephadex A-25 based on enzyme loading capacity, activity, stability and recyclability.Read more
Author:Pandelani, Thanyani A; Sono, TJ; Reinecke, John D; Nurick, GNDate:Jun 2016Anti-Vehicular Landmine or under-belly Improvised Explosive Device (IED) or even a side-attack IED are found to be one of the major threats for military vehicles and their occupants. The lower extremities of the occupants are very prone to ...Read more
Author:Walwyn, D; Scholes, RJDate:May 2006The increasing shift towards external contract research income (in contrast to grant income) as the primary means of funding public research institutions and universities has extracted a high toll on these institutions and on their stakeholders. ...Read more
Author:Ribbens, H; Everitt, P; Noah, MDate:2008In South African, as is the case in most other developing countries, a significant proportion of the population walk or cycle on a daily basis to their places of work and to other destinations. Road accident casualties (fatalities and injuries) ...Read more
Author:De Villiers, GDTDate:1986This study represents a quantitative survey of the impact of the climate and weather on the activities of the building and construction industry in South Africa. Seasonal productivity problems, the seasonal provision of special facilities and ...Read more
Author:Meyer, ADate:01 Sep 2010The increase in equatorial temperatures and the presence of an ozone hole over Antarctica have caused an increase in the pole-to-equator pressure gradient with a concomitant intensification of the high-latitude westerlies (Cai et al., 2006). ...Read more
Author:Allan, DG; Harrison, JA; Navarro, RA; Van Wilgen, BW; Thompson, MWDate:Feb 1997Bird-atlas data were used in conjunction with information on the extent of commercial afforestation with alien trees in Mpumalanga Province, South Africa, to assess the effect of afforestation on the avifauna of this region. Ninety species ...Read more
Author:Chani, T; Jembere, E; Kabanda, SK; Mutanga, MB; Adigun, MODate:Sep 2009Service Level Agreements (SLAs) have been identified as an important tool in guaranteeing Quality of Service (QoS) in Grid service provisioning and consumption in commercial Grids. SLA templates are commonly drawn and predefined by Grid service ...Read more
Author:Oelofse, Suzanna HHDate:Jul 2020This presentation focuses on the impact of COVID-19 on food waste globally and in South Africa. In South Africa, effects of food wastes resulted in the increase of inefficiencies in the movement of food produce, as well as citrus exports to ...Read more
Author:Phahlamohlaka, Letlibe J; Hefer, JDate:Jun 2019Our aim in this paper is to analyse the possible impact of the Cybercrimes and Cybersecurity Bill on the institutions charged with the responsibility to enforce it as outlined in chapter 6 of the Bill. The analysis is conducted using selected ...Read more
Author:Phahlamohlaka, Letlibe J; Hefer, JDate:Jun 2019Our aim in this paper is to analyse the possible impact of the Cybercrimes and Cybersecurity Bill on the institutions charged with the responsibility to enforce it as outlined in chapter 6 of the Bill. The analysis is conducted using selected ...Read more
Author:Mathoho, I; Akinlabi, ET; Arthur, Nana KK; Tlotleng, MonnammeDate:Aug 2020This study investigated the influence direct energy deposition (DED) process parameters have on the metallurgical characteristics (porosity, microstructural evolution, microhardness, and corrosion behavior) of 17−4 PH stainless steel powder. ...Read more
Author:Landman, WA; Beraki, Asmerom F; DeWitt, DDate:Dec 2009Retro-active forecasts produced at a 1-month lead-time by the ECHAM4.5 AGCM are statistically downscaled to South African district rainfall totals for the austral mid-summer season of December to February. The AGCM is forced with SST forecasts ...Read more
Author:Hartzenburg, ADate:Oct 2015The IEE Project was set up in 2010 to help transform the energy-use patterns of South African industry by means of energy management systems and energy systems optimisation. Through IEE Project implementation, around 100 industry plants have ...Read more
Author:Wessels, Konrad J; Dwyer, PCDate:2011The El Niño Southern Oscillation (ENSO) is a global coupled ocean-atmosphere phenomenon that is a primary driver of inter-annual variability in the rainfall and consequently the vegetation production of southern African rangelands. Evidence ...Read more
Author:Dunn, Dwain IDate:2000This study traces the route of FSC certified timber from mill to market, seeking to understand the impact of certification on traders and retailers in South Africa and the UKRead more
Author:Kufakunesu, Rachel; Hancke, Gerhard P; Abu-Mahfouz, Adnan MIDate:Aug 2022The concept of Internet of Things (IoT) has increased in prominence as the demand for device interconnectedness increases worldwide. Numerous technologies have been proposed to provide the required technology and network infrastructure. Low ...Read more