Author:Oberholster, Paul J; Hill, Liesl; Jappie, S; Truter, JC; Botha, ADate:Sep 2015Although bioassay approaches are useful for identifying chemicals of potential concern, they provide little understanding of the mechanisms of chemical toxicity. Without this understanding, it is difficult to address some of the key challenges ...Read more
Author:Herselman, Martha E; Marais, Mario A; Pitse-Boshoman, MDate:Jul 2010The focus of this paper is to indicate how skills can be enhanced in innovation through the application of the living lab methodology. When users are part of the creation of innovation in real-life contexts it can have a positive effect on ...Read more
Author:Salmon, BP; Holloway, DS; Kleynhans, Waldo; Olivier, JC; Wessels, Konrad JDate:Sep 2017In this paper, we propose a new method for extracting features from time-series satellite data to detect land cover change. We propose to make use of the behavior of a deterministic nonlinear system driven by a time-dependent force. The driving ...Read more
Author:Mouton, H; Roodt, J; Le Roux, HDate:Dec 2011The modern battlefield is a fast-paced, information-rich environment, where discovery of intent, situation awareness and the rapid evolution of concepts of operation and doctrine are critical success factors. A combination of the techniques ...Read more
Author:Van Zyl, TL; Mcferren, GDate:Jul 2013Earth observation data and meta-data are a central concern of the earth sciences. These data are generated by a myriad of both in-situ and remote sensors. Other sources of data include computational simulations, various ex-situ sources such ...Read more
Author:Dabrowski, James MDate:Jul 2014Excessive phosphate loading in the upper Olifants River, South Africa has resulted in widespread eutrophication and associated ecosystem health impacts. The majority of sewage treatment works (STWs) are operating poorly and are likely an ...Read more
Author:Smith, CJ; Oosthuizen, RudolphDate:Sep 2011Due to high cost of defence systems and the advent of multi-role military platforms, defence forces can no longer replace old systems with similar newer systems, but need to effectively and continually re-evaluate their defence capability ...Read more
Author:Herselman, Martha E; Smith, R; Gush, Kim L; Cambridge, G; Botha, Adèle; Marais, Mario ADate:Nov 2010The purpose of this article is to indicate how skills can be transferred through the application of the Digital Doorway (DD) design research model. Skills transfer takes place between the initiators of Digital Doorway (CSIR Meraka Institute) ...Read more
Author:Paige-Green, PDate:Jul 2011The Dynamic Cone Penetrometer (DCP) has been in use since the 1950s for various applications in pavement investigation. During the 1980s, Kleyn and Van Zyl described a method for upgrading unsealed roads to light sealed road standard based ...Read more
Author:Kotzé, Paula; Smuts, HDate:Nov 2016Enterprise systems engineering (ESE) is a multidisciplinary approach that combines traditional systems engineering (TSE) and strategic management to address methods and approaches for aligning system architectures, system development and ...Read more
Author:Strydom, Wilma FDate:Sep 2018This paper reports on an application of the Theory of Planned Behavior to understand the relationships between the determinants (latent variables) comprising the Theory of Planned Behavior and, based on these findings, to guide decision-making ...Read more
Author:Kgaphola, Motsoko J; Ramoelo, Abel; Odindi, J; Mwenge Kahinda, Jean-Marc; Seetal, Ashwin RDate:Mar 2023Land degradation (LD) is a global issue that affects sustainability and livelihoods of approximately 1.5 billion people, especially in arid/semi-arid regions. Hence, identifying and assessing LD and its driving forces (natural and anthropogenic) ...Read more
Author:De Beer, Morris; Sallie, Ismail MDate:Jun 2012In road design, accurate quantification of traffic loading remains a challenge. Research in South Africa with the Stress-In-Motion (SIM) system has concentrated on interaction forces between slow-moving tyres and the textured SIM device. A ...Read more
Author:Lombardi, G; Salvetti, MV; Morelli, Mauro FDate:Jul 1998The capabilities of different numerical methods in evaluating the aerodynamic characteristics of a forward-swept wing in subsonic and transonic now are analyzed. The numerical results, obtained by means of potential, Euler, and Navier-Stokes ...Read more
Author:Nair, Kishor K; Helberg, Albert; Van der Merwe, Johannes JDate:Apr 2017Magnetic stripe card technology has been deployed for more than six decades worldwide and is extensively used in banking. Data embedded in them are often relied upon as a benchmark for user authentication. As such reliance is placed upon them, ...Read more
Author:Olivier, K; Cloete, ChristoDate:Oct 2012In this presentation the author provides insight on the role of modern electronic warfare technology for the purposes of electromagnetic spectrum evaluation and control, which plays a crucial role in situational awareness required for ...Read more
Author:Nair, Kishor K; Helberg, A; Van der Merwe, Johannes JDate:Jul 2016The combination of smart cards and biometrics results in a strong 2-factor authentication. It facilitates a trusted credential for authenticating an individual’s identity through one-to-one biometric verification using the smart card token. ...Read more
Author:Nair, Kishor K; Helberg, Albert; Van der Merwe, Johannes JDate:18 Aug 2016The combination of smart cards and biometrics results in a strong 2-factor authentication. It facilitates a trusted credential for authenticating an individual's identity through one-to-one biometric verification using the smart card token. ...Read more
Author:Kunz, RP; Schulze, RE; Scholes, RJDate:Mar 1995The carbon to nitrogen (C: N) ratio is the main factor determining the forage quality of a plant, with a low C: N ratio indicating relatively good plant digestibility and a high C: N ratio inferring relatively poor forage quality. Global ...Read more