Author:Roos, TH; Rossouw, F; Van Zyl, Louwrens HDate:Sep 2009Several heliostat mirror panels of the CSIR 25m2 target-aligned heliostat suffered corrosion-related failure, prompting a panel redesign. Two test samples of the new design were subjected to mechanical and thermal cycling tests in an attempt ...Read more
Author:Harris, JFDate:1974In the routine analysis of coal at the FRI, the determination of calcium and magnesium is done by an atomic absorption technique, and the determination of sodium and potassium is carried out using a flame emission technique.Read more
Author:Salmon, BP; Kleynhans, Waldo; Olivier, JC; Van den Bergh, Frans; Wessels, Konrad JDate:May 2018Humans are transforming land cover at an ever-increasing rate. Accurate geographical maps on land cover, especially rural and urban settlements are essential to planning sustainable development. Time series extracted from MODerate resolution ...Read more
Author:Xing, B; Bright, G; Tlale, NSDate:Jan 2007Manufacturing companies are faced with the challenge of unpredictable, high frequency market changes in both local and international markets. There is a need for greater, more effective responsiveness by manufacturers to change their manufacturing ...Read more
Author:Padayachee, J; Bright, G; Masekamela, IDate:Nov 2009The reconfigurable manufacturing system (RMS) paradigm encapsulates methodologies that enable manufacturing systems to cope effectively with market and product changes. This research presents the design and evaluation of modular reconfigurable ...Read more
Author:Padayachee, J; Masekamela, I; Bright, G; Tlale, NS; Kumile, CMDate:2008The Reconfigurable Manufacturing System (RMS) paradigm has been formulated to encapsulate methodologies that enable manufacturing systems to display a variability of system functionality and capacity in response to constantly changing production ...Read more
Author:Naicker, Dhananathan M; Purdon, Kyla; Ramruthan, KshirDate:Nov 2023Small South African manufacturing companies, endeavouring to benefit from Fourth Industrial Revolution (4IR) technologies, specifically automation, are restricted by exorbitant costs and the lack of know-how associated with automation. This ...Read more
Author:Segakweng, TDate:Aug 2014With the increasing environmental pressures, alternative sources of energy are required. Hydrogen has long been considered to be an ideal alternative to fossil fuel system owing to its elimination of greenhouse gasses. Complete usage of ...Read more
Author:Ren, Jianwei; Langmi, Henrietta W; North, Brian C; Mathe, Mahlanyane K; Bessarabov, DDate:Jan 2014A modulated synthesis of Zr-metal organic framework (Zr-MOF) with improved ease of handling and decreased reaction time is reported to yield highly crystalline Zr-MOF with well-defined octahedral shaped crystals for practical hydrogen storage ...Read more
Author:Nortje, R; Britz, K; Meyer, TDate:Jul 2013In this paper we investigate the module-theoretic properties of bot and top-reachability modules in terms of inseparability relations for the DL SRIQ. We show that, although these modules are not depleting or self-contained, they share the ...Read more
Author:Hunter, LawranceDate:Nov 2012Although luxury animal fibres, excluding silk, represent far less than 0.1% of global fibre production, they play a very significant role in the luxury, high value-added end of the market, notably the apparel market, being renowned for their ...Read more
Author:Hunter, LawranceDate:Nov 2012Although luxury animal fibres, excluding silk, represent far less than 0.1% of global fibre production, they play a very significant role in the luxury, high value-added end of the market, notably the apparel market, being renowned for their ...Read more
Author:Hunter, LawranceDate:1993Mohair remains one of the most important speciality animal fibres, finding application in a wide range of textile end-uses, notably apparel and household textiles. Although a great deal of published information exists on mohair, much of the ...Read more
Author:Petrick, AJDate:1969After dealing briefly with relevant physical and chemical properties of coal, the mechanism of adsorption of moisture is discussed.Read more
Author:Denneman, E; Steyn, WJVDM; Maina, JW; Sadzik, ESDate:Oct 2008In order to provide guidance on the possible methodologies for evaluating specifically moisture related pavement response using the Heavy Vehicle Simulator (HVS), this paper describes the objectives, potential effects and available methods ...Read more
Author:Makhoba, XH; Pooe, OJ; Mthembu, MSDate:Sep 2015For many years recombinant protein production has been at the center of biosciences used for structural and therapeutic purposes. The production of recombinant proteins in foreign host system such as E. coli has been a biggest challenge. This ...Read more
Author:Rashamuse, KJ; Burton, SG; Stanfford, WHL; Cowan, DADate:Feb 2007An esterase producing Burkholderia multivorans UWC10 strain was isolated by culture enrichment. A shotgun library of B. multivorans UWC10 genomic DNA was screened for esterase activity and a recombinant clone conferring an esterolytic phenotype ...Read more
Author:Baron, MK; Kinsley, N; Sewell, BT; Jaffer, MA; Capovilla, A; James, W; Khati, MDate:Nov 2008HIV-1 infection and its concomitant disease – Aids, remain major public health problems in southern Africa. While current antiretroviral drugs have prolonged the quality of life for many HIV-positive individuals, they do not eliminate the ...Read more