Author:Baichan, P; Naicker, Previn; Devar, J; Smith, M; Nweke, EEDate:Jan 2023Gallbladder cancer (GBC) is the most frequent biliary tract cancer (including cancers of the intra- and extrahepatic biliary tree). Like many biliary tract carcinomas, GBC is identified by late diagnosis, poor prognosis, and ineffective ...Read more
Author:Mubiwa, B; Mokonyama, Mathetha T; Annegarn, HDate:Jul 2015Studies have shown that land-use and transportation systems have a two-way dependency. On one hand, the existing land-use structures influence trip distances and transport mode choice, while on the other hand transport infrastructure and ...Read more
Author:Aucamp, I; Woodborne, S; Perold, J; Bron, A; Aucamp, S-MDate:Dec 2011At the 1992 United Nations Conference on Environment and Development (or Earth Summit) in Rio de Janeiro, and a decade later at the 2002 World Summit on Sustainable Development (Earth Summit +10) in Johannesburg, the world embraced the concept ...Read more
Author:Marais, J; Malekian, R; Abu-Mahfouz, Adnan MIDate:Sep 2017The Internet of Things (IoT) is a fast-growing movement turning devices into always-connected smart devices through the use of communication technologies. This facilitates the creation of smart strategies allowing monitoring and optimization ...Read more
Author:Ramson, SRJ; Vishnu, S; Kirubaraj, AA; Anagnostopoulos, T; Abu-Mahfouz, Adnan MIDate:Feb 2022Municipal solid waste management remains a major problem in urban areas, leading to serious health and environmental issues.Consequently, trash bins are placed in many places to handle the municipal solid waste, but these bins can overflow, ...Read more
Author:Baumbach, J; Marais, Andre H; Gonçalves, DPDate:Sep 2015Despite the advances in mature engineering disciplines, some complex systems continue to fail, and sometimes catastrophically. The lack of understanding of a problem and all its constituting elements is a key determinant in project failure. ...Read more
Author:Burke, Ivan D; Motlhabi, Michael B; Netshiya, Rofhiwa; Pieterse, HeloiseDate:Feb 2021Recently, well-known and established South African organisations have experienced cyberattacks. South African Bank Risk Information Centre (SABRIC) confirmed in October 2019 that the industry had been hit by a wave of Distributed Denial of ...Read more
Author:Estuarine and Coastal Research Unit, ECRUDate:Oct 1982This report provides information about Lourens River. The Lourens River was known in the late 17th century as the Tweederivier, since it was the second river crossed on the journey from the Cape Peninsula to the Hottentots Holland Mountains. ...Read more
Author:Milman, YV; Chugunova, S; Goncharuck, V; Luyckx, S; Northrop, ITDate:1997The paper reports hardness measurements on WC-6 wt%Co of three different grain sizes in the temperature range from -196 to 900 degrees C. Coarser grades have been found to soften with increasing temperature at a higher rate than finer grades. ...Read more
Author:Myburgh, HC; Olivier, JCDate:May 2009This work proposes a near-optimal hard output neural network based iterative Maximum Likelihood Sequence Estimation (MLSE) equalizer, based on earlier work by the authors, able to equalize single carrier 4-QAM signals in underwater acoustic ...Read more
Author:Myburgh, HC; Olivier, JCDate:May 2009This work proposes a neural network based iterative Maximum Likelihood Sequence Estimation (MLSE) equalizer, able to equalize signals in M-arry Quadrature Amplitude Modulation (M-QAM) modulated systems in a mobile fading environment with ...Read more
Author:Oberholster, Paul J; Cheng, Po Hsun HDate:Sep 2016This presentation discusses a low cost algae-based tertiary treatment for waste water treatment works in rural areas of developing countries. The focus areas of the presentation include water availability in Africa and climate change, ...Read more
Author:Kuchena, JC; Usiri, PDate:Sep 2009Low cost or affordable construction technologies and materials are often touted as a panacea in meeting the ever growing demand for rapid housing delivery in developing economies. Mozambique as with most of the developing world, from both ...Read more
Author:Land, K; Mbanjwa, MB; Govindasamy, K; Korvink, JGDate:Sep 2011A method to easily manufacture and assemble a polydimethylsiloxane (PDMS) based microfluidic device is described. The method uses low cost materials and reusable laser cut polymethyl methacrylate (PMMA) parts. In addition, the thickness of ...Read more
Author:Grobler, Inus; Gitau, MNDate:Jun 2013An extended pre-compliance measurement setup has been created in the development laboratory to measure and diagnose conducted EMI up to tOO MHz without the use of a spectrum analyser. A dual compact Line Impedance Stabilisation Network (LISN) ...Read more
Author:Apps, PDate:Jun 2006Natural materials are so complex that no single column can separate all of the components. Heart cutting 2-D GC (GC-GC) using a Deans switch provides maximum separation, but the requisite gas flow configurations have earned a reputation for ...Read more
Author:Rademeyer, E; Van der Walt, Christiaan M; De Waal, ADate:Dec 2016This paper investigates the performance of two-class classification credit scoring data sets with low default ratios. The standard two-class parametric Gaussian and non-parametric Parzen classifiers are extended, using Bayes’ rule, to include ...Read more
Author:Bhaumik, M; Maity, Arjun; Mahule, TS; Srinivasu, VVDate:Mar 2019Low field microwave absorption (LFMA) in conducting polymers is completely different as compared to magnetic systems and is very intriguing. To understand LFMA phenomenon in the conducting polymers, we studied LFMA in the conducting polyaniline ...Read more
Author:Smakhtin, VUDate:10 Jan 2001The paper intends to review the current status of low-flow hydrology — a discipline which deals with minimum flow in a river during the dry periods of the year. The discussion starts with the analysis of low-flow generating mechanisms operating ...Read more