Author:Hugo, S; Land, KDate:Oct 2012Microfluidic systems provide the ideal platform on which to develop point-of-care (POC) diagnostic devices. A new microfluidic platform, based on centrifugal microfluidic
principles, is currently being developed at the CSIR, with the aim ...Read more
Author:Pfaff, MC; Hart-Davis, M M; Smith, Marie E; Veitch, JDate:Aug 2022Retention is a key driver of biological productivity near the coast since increased concentrations of planktonic particles in retention hotspots boost local primary production, availability of particulate food and larval recruitment. Known ...Read more
Author:Lysko, Albert ADate:Aug 2011A new method of moments (MoM) code is discussed. The code supports standard functionality, e.g. fully automatic re-meshing and variable’s assignment, ground plane and symmetry planes. In addition, the code realizes several new features. These ...Read more
Author:Marais, GJ; Wingfield, MJ; Viljoen, CD; Wingfield, BDDate:Jan 1998In recent years, two unusual ophiostomatoid fungi, Ceratocystiopsis proteae and Ophiostoma capense, have been described from infructescences of Protea spp. They are unique in having Knoxdaviesia anamorphs and differ from each other in ascospore ...Read more
Author:Hinkelmann, K; Karagiannis, D; Thoenssen, B; Woitsch, R; Gerber, A; Van der Merwe, ADate:Aug 2015The ability to react timeously to continuous and unexpected change is called agility and is an essential quality of the modern enterprise. Being agile has consequences for the engineering of enterprises and enterprise information systems. We ...Read more
Author:Rouault, Marjolaine J; Penven, PDate:Jul 2011More than 6 years of high-frequency sea surface temperature (SST) imagery are used to follow perturbations at the inshore front of the Agulhas Current, between the northern Natal Bight and Port Elizabeth. Selected case studies as well as a ...Read more
Author:Buddoo, SRDate:Oct 2006The research project aimed at developing a cost-effective process to produce citral and citronellal. Microreactor technology was also applied to some of the reaction steps as a more efficient and inexpensive alternative to conventional reactors ...Read more
Author:McAlister, BN; Steyn, JLDate:Aug 2012The potential applicability of established new product development processes to information and communications technology (ICT)-for-development projects is investigated. The demand for ICT solutions to serve numerous societal information needs ...Read more
Author:Venter, JP; Van Waveren, CCDate:Aug 2007The development of new and improved management methods for new product development is important. Existing methods suffer from a number of shortcomings, especially the ability to deal with a mixture of quantitative and qualitative data. The ...Read more
Author:Venter, Jacobus P; Van Waveren, CCDate:Jun 2009The development of new and improved management methods for new product development is important. Existing methods suffer from a number of shortcomings, especially their inability to deal with a mixture of quantitative and qualitative data. ...Read more
Author:Roos, TH; Harms, TMDate:Jun 2014In the popular Discrete Ordinates Method (DOM) formulation of the Equation of Radiative Transfer (ERT), the 4 pi solid angle range of directions is divided into a finite number of discrete directions or ordinates. This requires that the ...Read more
Author:O'Quigley, DGF; Luyckx, S; James, MNDate:May 1996Two sets of WC-Co grades were produced, with cobalt content ranging from 3 to 50 wt.%. The mean grain size of the two sets was 2.2 and 6 mu m respectively. The two sets of grades were used to investigate the relationship between hardness and ...Read more
Author:Reddy, GSM; Narasimhaswamy, T; Jayaramudu, J; Sadiku, ER; Raju, KM; Ray, SSDate:May 2013A new series of side chain liquid crystalline polymers containing a core, a butamethylenoxy spacer, ester groups, and terminal alkoxy groups were synthesised and their structures were confirmed. The core was constructed with two phenyl rings ...Read more
Author:Chutter, FMDate:1962In the course of an ecological survey of the macro-invertebrate fauna of the stream and rivers in the catchment of the Vaal Dam the author found a new species of Pseudagrion which is described here. The author’s colleagues, engaged in similar ...Read more
Author:Welsh, HDate:1963The author is indebted to Dr. A.D Harrison of the Department of Zoology, University of Rhodesia and Nyasaland, Salibury, for sending him some algal material collected on the 25th of April 1962, in a granophyre rock pool high above the Lundi ...Read more
Author:Vogt, D; Brink, VZ; Brink, S; Price, M; Kagezi, BDate:01 Sep 2010Rockfalls are responsible for more than 30 percent of the fatalities on South African gold and platinum mines, with associated costs and lost productivity. One of the most important activities in the mitigation of rockfalls is the entry ...Read more
Author:Vogt, D; Brink, VZ; Schutte, SDate:Sep 2009South African underground hard rock mines are typically managed using measurements made daily, weekly or even monthly of key parameters like face advance, readiness to blast, blast success, temperature or dust levels. Safety and health can ...Read more
Author:Rodil, K; Winschiers-Theophilus, H; Bidwell, NJ; Eskildsen, S; Rehm, M; Koch Kapuire, GDate:Sep 2011Current views of sustainable development recognize the importance of accepting the Indigenous Knowledge (IK) of rural people. However, there is an increasing technological gap between elder IK holders and the younger generation and a persistent ...Read more
Author:Garland, Rebecca M; Wernecke, B; Feig, G; Langerman, KDate:2021Ambient air quality standards are a key policy lever in air quality management. In South Africa, the introduction of the National Ambient Air Quality Standards (NAAQS) highlighted the shift in the focus of air quality management from source ...Read more