Author:Malgas, GF; Motaung, DE; Arendse, CJDate:May 2012A detailed study on the thermal transition of poly(3-hexylthiophene) (P3HT) and blends was investigated by differential scanning calorimetry, while the morphological, phase separation and the transformation in the optical properties were ...Read more
Author:Mhlongo, Gugu H; Motaung, DE; Nkosi, SS; Swart, HC; Malgas, GF; Hillie, KT; Mwakikunga, Bonex WDate:Feb 2014Violet-blue emitting ZnO nanostructures were synthesized by a microwave-assisted hydrothermal method followed by post-synthesis annealing at different temperatures. Scanning electron microscope analysis revealed a morphological transformation ...Read more
Author:Keet, CM; Nasubo Ongoma, EADate:Jan 2015Representing data that changes over time in conceptual data models is required by various application domains, and requires a language that is expressive enough to fully capture the operational semantics of the time-varying information. ...Read more
Author:Nyakabawo, W; Miller, SM; Balcilar, M; Das, Sonali; Gupta, RDate:Jul 2015This paper examines the causal relationships between the real house price index and real GDP per capita in the US, using the bootstrap Granger (temporal) non-causality test and a fixed-size rolling-window estimation approach. We use quarterly ...Read more
Author:Seotsanyana, MDate:Jan 2010In this paper, a critical review on temporal logic motion planning is presented. The review paper aims to address the following problems: (a) In a realistic situation, the motion planning problem is carried out in real-time, in a dynamic, ...Read more
Author:Seotsanyana, MDate:Aug 2012Robotic computer systems have become increasingly ubiquitous in everyday life and this has led to a need to develop safe and reliable robot systems.Read more
Author:Seotsanyana, MDate:Jul 2010Robotic computer systems are increasingly ubiquitous in everyday life and this has led to a need to develop safe and reliable systems. To ensure safety and reliability of these systems, the following three main verification techniques are ...Read more
Author:Ryan-Keogh, Thomas J; Smith, WODate:Mar 2021The Ross Sea is one of the most productive regions in the Southern Ocean, with a significant role in carbon cycling as well as the massive abundance of higher trophic levels. The seasonal cycle is well established with an early summer Phaeocystis ...Read more
Author:Cooper, Antony KDate:Feb 1988This paper describes a suite of programs that simulates the lighting effects of the sun or moon on the earth's surface. A digital terrain model (DTM) is typically a two-dimensional regular tessellation of some measured phenomenon, the most ...Read more
Author:Gelderblom, H; Kotzé, PaulaDate:Jun 2009The existing knowledge base on child development offers a wealth of information that can be useful for the design of children’s technology. Furthermore, academic journals and conference proceedings provide us with a constant stream of new ...Read more
Author:Adams, JB; Van Niekerk, LaraDate:Jul 2020Temporarily closed estuaries require seasonal opening to tidal flows to maintain normal ecological processes. Each estuary has specific environmental flow (EFlow) requirements based on the relationship between freshwater inflow, coastal ...Read more
Author:Fouché, Gerda; Moodley, N; Maharaj, VDate:Nov 2008The bioprospecting group of CSIR Biosciences, focuses on the transformation of African traditional medicines into minimally-processed, scientifically-validated herbal medicines and remedies; the discovery of new pharmaceutical active ingredients ...Read more
Author:Jayaramudu, J; Guduri, BR; Rajulu, AVDate:Apr 2009The newly identified natural fabric from the tree of Sterculia urens was coated with polymethyl methacrylate. The tensile properties of both the uncoated and polymethyl methacrylate coated fabrics were studied. The tensile parameters such as ...Read more
Author:Davis-Reddy, ClaireDate:Oct 2017Southern Africa has a rich diversity of plants and animals and its high levels of endemism are critical to cultural heritage and support livelihoods and economic development (e.g. ecotourism). Six of the 34 internationally identified biodiversity ...Read more
Author:Veerasamy, Namosha; Grobler, MDate:Mar 2011The growth of technology has provided a wealth of functionality. One area in which Information Communication Technology (ICT), especially the Internet, has grown to play a supporting role is terrorism. The Internet provides an enormous amount ...Read more
Author:Ramaloko, PM; Van Dyk, JT; Smit, EDate:Sep 2014Protective footwear that mitigates the shock transferred to the victim’s leg during an antipersonnel landmine blast need to be evaluated to verify their protection levels. The Mine Boot Test and Evaluation System which include a surrogate ...Read more
Author:Ortlepp, WD; Stacey, TRDate:Jun 1998This research report discusses the development of a realistic and controllable method of testing support tendons dynamically, which has been achieved in this research project, offers a new and fresh opportunity for improving the design ...Read more
Author:Ortlepp, WD; Stacey, TRDate:Jul 1997The objective of this project was to determine the performance characteristics of containment elements of tunnel support in common use in South African mines under dynamic loading. The magnitude of the energy levels in this testing had to ...Read more
Author:Schlunz, Georg I; Dlamini, Nkosikhona; Tshoane, Alfred; Ramunyisi, Ndivhuwo SDate:Nov 2017Text normalisation in text-to-speech synthesis comprises the segmentation and classification of the incoming text and the subsequent expansion of non-standard words into their standard word, spoken forms. We present a rule-based implementation ...Read more