Author:Williams, LL; Lück-Vogel, MelanieDate:Mar 2020Coastal zones are dynamic spaces where human activities and infrastructure are exposed to natural forces, climate change and extreme weather events such as storm surges. Coastal inundation is regarded as one of the most dangerous and destructive ...Read more
Author:Walubita, LF; Nyamuhokya, TP; Komba, Julius J; Tanvir, HA; Souliman, MI; Naik, BDate:Dec 2018With the increasing use of geogrid reinforcements to mitigate reflective cracking in hot-mix asphalt (HMA) overlays, interlayer (interface) bonding has become an even more critical aspect of HMA placement/construction to mitigate delamination ...Read more
Author:Lemley, DA; Adams, JB; Taljaard, SusanDate:Apr 2017This study compared the spatio-temporal dynamics in two agriculturally-influenced South African estuaries - Gamtoos and Sundays - to investigate how contrasting hydrological alterations influence physical, chemical and biological responses. ...Read more
Author:Mkunyana, YP; Mazvimavi, D; Dzikiti, Sebinasi; Ntshidi, ZaneleDate:Oct 2018The detrimental impacts of invasive alien plants on ecosystems and water resources have raised concerns in arid and semi-arid countries like South Africa where the average precipitation is approximately 500 mm/yr, which is below the world ...Read more
Author:Singh, A; Smit, Jacoba E; Karsten, AE; Grobler, AF; Sparrow, RWDate:Sep 2010This study aims to extract and compare attenuation coefficients of different liquid skin-like phantoms representing Skin Types 1 to V1 with two methods, Spectrophotometric and Integrating Sphere methods. The correlation between the results ...Read more
Author:Van Eeden, WD; De Villiers, JP; Nel, Willem AJ; Kloke, KH; Blasch, EDate:Oct 2015A simulation for human Doppler response is developed based on the Carnegie Mellon University motion capture database. This data is used to simulate human Doppler response as it would be seen by a radar system and this data is compared to ...Read more
Author:Stafford, William HL; Russo, Valentina; Nahman, AntonDate:Sep 2022The pervasive use of plastics, coupled with inadequate waste management systems in many countries, has led to widespread leakage of plastics into the environment. In South Africa, the predominant type of shopping bags are single-use plastic ...Read more
Author:Fashedemi, OO; Ozoemena, KIDate:May 2014Electrocatalytic oxidation of alcohols in alkaline solutions is critical for the development of direct alkaline alcohol fuel cells (DAAFCs). This work investigated alcohol oxidation reaction (AOR) at a novel palladium-based core-shell nano ...Read more
Author:O'Connell, Johannes S; Komba, Julius J; Louw, JGDate:Jul 2014The binder is an important constituent of an asphalt mix and it affects the overall performance of the mix, especially with regards to permanent deformation and fatigue cracking. The stiffest binder available from the Chevron refinery in the ...Read more
Author:Mamushiane, Lusani; Lysko, Albert A; Dlamini, Sabelo VDate:Apr 2018Software Defined Networking (SDN) is an architecture that decouples the routing intelligence from the forwarding functions, using an entity called 'controller'. It is paramount that the performance of the controller is thoroughly understood ...Read more
Author:Van der Merwe, LJ; De Villiers, Johan PDate:Dec 2016In this study a comparative analysis is performed between a novel Viterbi based and multiple hypothesis based track stitching algorithms. The track fragments in the Viterbi based track stitching algorithm are modelled as nodes in a trellis ...Read morecb
Author:Sellers, E; Napier, JDate:Jul 1997The search for a numerical method to model fracture formation around deep level gold mine excavations had led to the development of the DIGS (Discontinuity Interaction and Growth Simulation) boundary element code to simulate the incremental ...Read more
Author:Masengo Wa Umba, S; Ramotsoela, TD; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Jun 2019Nowadays, Wireless Sensor Networks (WSNs) are intensively used in highly sensitive environments such as water treatment plants, airports and hospitals. For this reason, the security of communications in WSNs is a very critical problem that ...Read more
Author:Masonta, Moshe T; Mzyece, M; Mekuria, FissehaDate:Oct 2012Cognitive radio (CR) technology has become one of the buzzwords within the wireless communications community over the past 12 years. Its ability to learn, decide and adapt to the external environment made CR attractive to regulators, researchers, ...Read more
Author:Morris, CDate:May 2006This paper reviews the status of eAdoption in South Africa and Mozambique. It describes the ICT strategy including current and planned enabling legislation, the identification of key stakeholder responsible for policy and implementation, and ...Read more
Author:Khanyile, NP; Tapamo, JR; Dube, EDate:Aug 2011Thinning plays a very important role in the preprocessing phase of automatic fingerprint recognition/identification systems. The performance of minutiae extraction relies heavily on the quality of skeletons used. A good fingerprint thinning ...Read more
Author:Nkuna, CN; Oboirien, Bilainu O; Oboirien, ER; Lekitima, JDate:Apr 2017The generation of geopolymers from OXY-FBC and CLC bottom ashes has not yet been reported. In this study, geopolymers from OXY-FBC and CLC bottom ash were synthesized and compared with geopolymers from FBC bottom ash. The bottom ashes used ...Read more