Author:Neyt, Nicole C; Van der Westhuizen, Johan C; Panayides, Jenny-Lee; Riley, DLDate:Mar 2022Ozonolysis is an attractive, efficient, and green means of introducing oxygen containing functionalities using only oxygen and electricity. Unfortunately, safety issues associated with the accumulation of dissolved ozone and potentially ...Read more
Author:Sono, Tleyane J; Riziotis, CR; Maili, S; Eason, WEDate:Aug 2017Fabrication capabilities of high optical quality hexagonal superstructures by chemical etching of inverted ferroelectric domains in lithium niobate platform suggests a route for efficient implementation of compact hexagonal microcavities. ...Read more
Author:Marais, Mario A; Meyer, IDate:Nov 2015Development projects aim to make a difference in communities. Funders often require that the intervention needs to last, or that it needs to effect change that will last, over an extended period of time. In short, a sustainable difference ...Read more
Author:Pieterse, Heloise; Olivier, MDate:May 2013The increasing popularity and improvement in capabilities offered by smartphones caught the attention of botnet developers. Now the threat of botnets is moving towards the mobile environment. This study presents the design of a hybrid command ...Read more
Author:Pieterse, Heloise; Olivier, MDate:Mar 2013The increasing popularity and improvement in capabilities offered by smartphones caught the attention of botnet developers. Now the threat of botnets is moving towards the mobile environment. A mobile botnet is defined as a collection of ...Read more
Author:Beharie, MM; Pedro, JO; Dala, LDate:2015This paper presents the design, development and construction of a flight test stand for a quadrotor UAV. As opposed to alternate forms of UAV, the power plant in the case of the quadrotor serves a dual purpose of control and propulsion. Since ...Read more
Author:Pieterse, FF; Bidgood, Peter M; Vaz, NFDate:2017The requirements that a wind tunnel balance need to satisfy have become increasingly stringent. These requirements, as set out by the wind tunnel testing community, include: improved static force accuracy and resolution, increased stiffness, ...Read more
Author:Adebesin, F; Kotzé, PaulaDate:Jun 2012The Digital Doorway (DD) is a joint initiative between the South African Department of Science and Technology (DST) and the Meraka Institute of the Council for Scientific and Industrial Research (CSIR). The DD is a non-standard computer system ...Read more
Author:Watson, BP; Kuijpers, JS; Stacey, TRDate:Oct 2010The Bushveld platinum group metal deposits are two distinct, shallow-dipping stratiform tabular orebodies which strike for many hundreds of kilometres. Mining is extensive, with depths ranging from close-to-surface to 2 300 m. The mining ...Read more
Author:Shingange, Katekani; Swart, HC; Mhlongo, Gugu HDate:Apr 2020This work reports on the fabrication of remarkably selective and sensitive LaCoO3 nanofibers (NFs) based sensors obtained after annealing at different temperatures of 550, 650, and 700 °C. Findings from field emission scanning electron and ...Read more
Author:Shingange, Katekani; Swart, HC; Mhlongo, Gugu HDate:Apr 2020This work reports on the fabrication of remarkably selective and sensitive LaCoO3 nanofibers (NFs) based sensors obtained after annealing at different temperatures of 550, 650, and 700 °C. Findings from field emission scanning electron and ...Read more
Author:Dlamini, Zama I; Olivier, MS; Grobler, Marthie MDate:2016This study focuses on the Smartphone Evidence Awareness skills of smartphone users with regard to collecting, preserving and handling such data. This paper presents the smartphone evidence awareness training program. This training program is ...Read morecb
Author:Walters, Laticha EM; Scott, RE; Mars, MDate:Jul 2018South Africa’s KwaZulu-Natal province began synchronous teledermatology in 2003, followed by spontaneous asynchronous (mobile) teledermatology in 2013. No scale-up has been formally planned. This paper establishes design requirements that ...Read more
Author:Viljoen, NM; Van Zyl, RDate:2009This paper explores the potential of design thinking in the seemingly disparate discipline of Operations Research/Management Science (OR/MS). OR/MS develops mathematical models for analysis based on quantitative logic as an answer to management ...Read more
Author:Du Plessis, L; Jordaan, GJ; Strauss, PJ; Kilian, ADate:Sep 2016Ultra-Thin Reinforced Concrete Pavements (UTRCP) are successfully being used in residential streets and low-volume road applications in South Africa. Due to its popularity in this domain the Gauteng Provincial Department of Roads and Transport ...Read more
Author:Dudas, J; Hanika, JDate:Jan 2009The hydrogenation of thymol and the racemisation of a menthol mixture were investigated as part of the development of novel process for the production of l-menthol. The key innovation in this l-menthol process is the enzymatic resolution of ...Read more
Author:Wellington, Kevin W; Kaye, PT; Watkins, GMDate:Jan 2009Manganese (II), nickel (II) and zinc (II) complexes have been prepared using various benzamideand biphenyl-derived ligands; their structures have been investigated using infrared spectroscopy and it is apparent that, depending on the ligand, ...Read more
Author:Wellington, Kevin W; Kaye, PT; Watkins, GMDate:2009Series of manganese(II), nickel(II) and zinc(II) complexes have been prepared using 1,10-phenanthroline-derived ligands, and their coordination geometries have been assigned using infrared data. It is apparent that, depending on the ligand, ...Read more