Author:Paige-Green, PDate:Mar 2006Many rural villages still have inappropriate access consisting of earth tracks or at best gravel roads, neither of which necessarily provides all-weather access. These types of roads can have significant impact on the economic well-being of ...Read more
Author:Yonli, AH; Godfrey, Linda KDate:Jun 2018Many proven alternative waste treatment technologies (to landfilling) are available worldwide. However, not all of these are appropriate or economically viable (at least in the short-term) for implementation in Africa. This chapter explores ...Read more
Author:Paige-Green, P; Coetzer, K; Lea, J; Semmelink, CDate:17 Jun 2009The use of locally materials in low volume rural roads can result in significant cost savings. However, this is associated with an increased risk of premature distress or failure. A compromise needs to be found between the probability of ...Read more
Author:Maina, JW; Ozama, Y; Matsui, KDate:Jul 2008Games software is well known for its capability to compute responses for uniformly distributed load acting on the surface of a multi-layered linear elastic system. In this study a method was developed to approximate rigid plate loading to be ...Read more
Author:Liu, YS; Takawira, F; Xu, HJDate:Sep 2007In this paper a hybrid Token-CDMA based medium access control (MAC) protocol is considered. The MAC scheme is analytically modelled as a multiserver multiqueue (MSMQ) system in the case of a gated service discipline. The authors present an ...Read more
Author:Marais, LauretteDate:Sep 2021Multilingual Grammatical Framework (GF) domain grammars have been used in a variety of different applications, including question answering, where concrete syntaxes for parsing questions and generating answers are typically required for each ...Read more
Author:Ramalapa, BDate:Oct 2012This presentation show how the formulation of multifunctional polymeric nanoparticles for encapsulation of ATD's with optimum physico-chemical properties has been achieved. Aptamers (against mannose receptors) can assist uptake of nanoparticles ...Read more
Author:Smith, Marie E; Vhengani, Lufuno MDate:May 2023This presentation speaks to the challenges with environmental threats such as Harmful Algal Blooms (HABs) and ocean heatwaves that have the potential to negatively affect natural and farmed marine resources. Also, monitoring these events ...Read more
Author:Jacobs, ADate:31 Aug 2010The growing aquaculture industry uses fish diets containing fishmeal as the main protein source. As part of the global drive to replace fishmeal with a more reliable, sustainable and cost-effective protein source, CSIR Biosciences investigated ...Read more
Author:Safriel, O; Bruton, MNDate:Jun 1984During the past few years the National Programme for Environmental Sciences has been involved in assessing the potential of aquaculture in South Africa and in formulating a research policy which will provide the information needed to place ...Read more
Author:Oberholster, Paul J; De Klerk, Arno RDate:Mar 2014Although coal mining can bring economic benefits by stimulating the local economy of the upper Olifants River catchment and creating more employment opportunities, it can also have adverse effects on the aquatic ecosystems of this catchment. ...Read more
Author:Moloi, MS; Lehutso, Raisibe F; Erasmus, M; Oberholster, PJ; Thwala, MelusiDate:Oct 2021Rapid commercialisation of nano-enabled products (NEPs) elevates the potential environmental release of engineered nanomaterials (ENMs) along the product life cycle. The current review examined the state of the art literature on aquatic ...Read more
Author:Lehutso, Raisibe F; Wesley-Smith, J; Thwala, MelusiDate:Nov 2021The study investigated the toxicity effects of ‘form specific’ engineered nanomaterials (ENMs) and ions released from nano-enabled products (NEPs), namely sunscreens, sanitisers, body creams and socks on Pseudokirchneriella subcapitata, ...Read more
Author:Green, TJ; Sastrawan, J; Uys, H; Biercuk, MJDate:Sep 2013We address the problem of deriving analytic expressions for calculating universal decoherence-induced errors in qubits undergoing arbitrary, unitary, time-dependent quantum control protocols. We show that the fidelity of a control operation ...Read more
Author:Mudaly, T; Moodley, D; Pillay, A; Seebregts, CJDate:Nov 2013Consolidating currently fragmented health information systems in low and middle-income countries (LMIC) into a coherent national information system will increase operational efficiencies, improve decision-making and will lead to better health ...Read more
Author:Gregory, MA; George, RC; McClurg, TPDate:Oct 1996For many years, bivalve molluscs have played a useful role in determining the impact of pollution on marine organisms. In the northern hemisphere, ecologists from countries subscribing to the International Mussel Watch have used toxin-mediated ...Read more
Author:Crichton, R; Moodley, D; Pillay, A; Gakuba, R; Seebregts, CJDate:Jun 2013Rwanda, one of the smallest and most densely populated countries in Africa, has made rapid and substantial progress towards designing and deploying a national health information system. One of the more challenging aspects of the system is the ...Read more