Author:Hattingh, J; Maree, GA; Ashton, PJ; Leaner, JJ; Turton, ARDate:2007The International Symposium on Ecosystem Governance held in South Africa during 2005 enabled scientists from several disciplines to debate issues relating to governance. The symposium provided an opportunity to explore the concept of governance, ...Read more
Author:Nzuza, P; Ramoelo, Abel; Odindi, J; Mwenge Kahinda, Jean-Marc; Lindeque, LDate:Nov 2021Land degradation is a complex environmental problem that requires robust decision-making processes that embrace diversity of local indigenous knowledge. Participatory approaches are essential in capturing the complexity in land degradation ...Read more
Author:Nzuza, P; Ramoelo, Abel; Odindi, J; Mwenge Kahinda, Jean-Marc; Lindeque, LDate:Nov 2021Land degradation is a complex environmental problem that requires robust decision-making processes that embrace diversity of local indigenous knowledge. Participatory approaches are essential in capturing the complexity in land degradation ...Read more
Author:Malatji, N; Popoola, API; Lengopeng, T; Pityana, Sisa LDate:Feb 2020High entropy alloys (HEAs) are new class of materials with a high potential to find use in structural applications where high corrosion and wear resistance are required. Their high configurational entropy, sluggish diffusion, cocktail effect ...Read more
Author:Oelofse, Suzanna HH; Strydom, WFDate:Sep 2010Waste recycling in South Africa is largely industry driven with the focus to date having been on pre-consumer recovery and recycling from business and industry. With a very young pro-environmental consciousness in South Africa, limited ...Read more
Author:Malherbe, Johan; Engelbrecht, FA; Landman, WA; Engelbrecht, CJDate:Mar 2011The study provides perspective on the contribution of landfalling tropical systems (cyclones, depressions, storms and lows) from the southwest Indian Ocean (SWIO) towards rainfall over the eastern interior of southern Africa, over the period ...Read more
Author:Sivakumar, V; Bencherif, H; Begue, N; Thompson, AMDate:Jul 2011In this paper, tropopause characteristics observed from tropical to subtropical Southern Hemisphere stations using Southern Hemisphere Additional Ozonesonde (SHADOZ) data are presented for the 11-yr period of 1998–2008. Three different ...Read more
Author:Isong, B; Manuel, M; Dladlu, N; Abu-Mahfouz, Adnan MIDate:Nov 2023The growing application of wireless sensor networks (WSN) has unveiled several opportunities for innovative services and data-driven applications. However, the WSN's inherent vulnerabilities and challenges have raised considerable concerns ...Read more
Author:Ntshabele, K; Isong, B; Gasela, N; Abu-Mahfouz, Adnan MIDate:Sep 2022The traditional Long-Range Wide-Area Network (LoRaWAN) uses an Advanced Encryption Standard (AES) 128 bit symmetric key to secure entities and data against several attacks. However, due to the existence of heterogeneous applications, designing ...Read more
Author:Smith, Simone MDate:Jul 2018This paper investigates the link between the rationales between piracy attacks, the information gathered from such incidents and if the same information may be used to address the rationale behind piracy to combat and prevent it. A common ...Read more
Author:Lemmer, Yolandy; Siko, G; Swai, H; Verschoor, JDate:Aug 2009This poster is the first demonstration of the use of the evanescent field biosensor to show the interaction between low molecular weight ligate/ligand pairs. The authors demonstrated the interaction of Amphotericin B to either immobilized ...Read more
Author:Ngcobo, Sandile; Ait-Ameur, K; Litvin, I; Hasnaoui, A; Forbes, ADate:Sep 2013We outline a simple laser cavity comprising an opaque ring and a circular aperture that is capable of producing spatially tuneable laser modes, from a Gaussian beam to a Flat-top beam. The tuneability is achieved by varying the diameter of ...Read more
Author:Ngcobo, Sandile; Ait-Ameur, K; Litvin, I; Hasnaoui, A; Forbes, ADate:Feb 2014In this paper we experimentally demonstrate a simple laser cavity that produces spatial tuneable laser modes from a Gaussian beam to a Flat-top beam and a Donut-beam. The laser cavity contains an opaque ring and an adjustable circular aperture ...Read more
Author:Berman, R; Kienhofer, FDate:Sep 2012An ADAMS model of South Africa’s first ever Le Mans car was developed and used to tune the suspension parameters. Validation of the model is to be done by comparing simulation results to those obtained in track testing. The suspension parameters ...Read more
Author:Chi, B; Hou, S; Liu, G; Deng, Y; Zeng, J; Song, H; Liao, S; Ren, JianweiDate:Jun 2018The wettability, or hydrophobic-hydrophilic balance, of cathode catalyst layer influences the performance of the proton exchange membrane fuel cell. In this paper, cathode catalyst layer with different polytetrafluoroethylene contents are ...Read more
Author:Chi, B; Hou, S; Liu, G; Deng, Y; Zeng, J; Song, H; Liao, S; Ren, JianweiDate:Jul 2018The wettability, or hydrophobic-hydrophilic balance, of cathode catalyst layer influences the performance of the proton exchange membrane fuel cell. In this paper, cathode catalyst layer with different polytetrafluoroethylene contents are ...Read more
Author:Wahab, OO; Olasunkanmi, LO; Govender, Krishna; Govender, PPDate:Jun 2019Effects of substituent groups on aqueous solubility, chemical reactivity and absorption wavelength of Disperse red 73 (DR73) were theoretically investigated using density functional theory (DFT) method. This study is in view of introducing ...Read more