Author:Van Schoor, Michael; du Pisani, P; Vogt, DDate:28 Feb 2006The two major precious metal ore deposits of South Africa, the Bushveld Complex (platinum) and the Witwatersrand Basin (gold), exhibit remarkable lateral continuity on a regional scale. Consequently, the geometry of the respective planar ...Read more
Author:Naidoo, Kavendra; Skews, BWDate:Sep 2010Dynamic shock wave reflection generated by a rapidly pitching wedge in a steady supersonic free stream has been studied with numerical simulation previously. An experimental facility was developed for the investigation of these dynamic phenomena ...Read more
Author:Cobbinah, PV; Matizamhuka, W; Machaka, Ronald; Shongwe, MB; Yanabe-Mitaria, YDate:Jan 2021In this study, -TiAl based alloys of composition Ti-46.5Al-%xTa (x = 0.8, 4 and 8 at.%) were fabricated by mechanical alloying and consolidated by spark plasma sintering. The main objective of the study was to evaluate the influence Ta contents ...Read more
Author:Cobbinah, PV; Matizamhuka, W; Machaka, Ronald; Shongwe, MB; Yanabe-Mitaria, YDate:Jan 2021In this study, -TiAl based alloys of composition Ti-46.5Al-%xTa (x = 0.8, 4 and 8 at.%) were fabricated by mechanical alloying and consolidated by spark plasma sintering. The main objective of the study was to evaluate the influence Ta contents ...Read more
Author:Van den Berg, N; Crampton, BG; Hein, I; Birch, PRJ; Berger, DKDate:Nov 2004Efficient construction of cDNA libraries enriched for differentially expressed transcripts is an important first step in many biological investigations. We present a quantitative procedure for screening cDNA libraries constructed by suppression ...Read more
Author:Ngubane, NAC; Gresh, L; Ioerger, TR; Sacchettini, JC; Zhang, YJ; Rubin, EJ; Pym, A; Khati, MDate:Nov 2013Bacterial cell wall components have been previously used as infection biomarkers detectable by antibodies. However, it is possible that the surface of the Mycobacterium tuberculosis (M. tb), the causative agent of tuberculosis (TB), also ...Read more
Author:Barreiro, LB; Henriques, S; Mhlanga, MusaDate:Oct 2009In the last decade, molecular beacons have emerged to become a widely used tool in the multiplex typing of single nucleotide polymorphisms (SNPs). Improvements in detection technologies in instrumentation and chemistries to label these probes ...Read more
Author:Kebede, Mesfin A; Yannopoulos, SN; Sygellou, L; Ozoemena, KIDate:Oct 2017Oxygen-deficient pristine (LMNO) and microwave-treated LiMn1.5Ni0.5O4-d (LMNOmic) cathode materials have been synthesized with modified thermo-polymerization synthesis technique. The XRD, XPS, CV and charge/discharge voltage profile analysis ...Read more
Author:Melchior, SA; Raju, Kumar; Ike, IS; Erasmus, RM; Kabongo, G; Sigalas, L; Iyuke, SE; Ozoemena, KIDate:Feb 2018The energy storage performance of one of the lightest-known MXenes, Ti2CTx (MX) combined with carbon nanospheres (CNS) has been investigated as a symmetric electrode system in an aqueous electrolyte (1 M Li2SO4). The energy storage properties ...Read more
Author:Cauda, EG; Drake, P; Lee, T; Pretorius, CDate:Aug 2014Exposure to crystalline silica in the mining industry around the world is a recognized occupational hazard and miners have the highest rate of silicosis related mortality of any industry. Mining operators are limited in assessing and monitoring ...Read more
Author:Ismail, Y; Barnes, G; Mhlanga, T; Belyi, V; Forbes, ADate:Aug 2010As in the case of zero-order Bessel beam being produced by illuminating an axicon with a Gaussian beam, higher-order Bessel beams are generated by substituting the Gaussian beam with a Laguerre Gaussian (LG) beam. These beams hold similar ...Read more
Author:Reed, LL; Kleynhans, TEDate:Mar 2010This article takes a closer look at the choice of a HBU in agricultural land valuation practice in the presence of alternative land uses. This is done through a critical overview of the relevant valuation literature, with specific reference ...Read more
Author:Reed, L; Kleynhans, TDate:Jan 2010Traditionally, rural lands are important for agricultural production, land value strongly related to productive potential of land income based and measurable. Transition towards multifunctional rural environment, income from land not only ...Read more
Author:Sibisi, SDate:26 Sep 2007At a ceremony at the Union Buildings in Pretoria on Friday, CSIR President and CEO, Dr Sibusiso Sibisi, was among a group of South Africans who received the National Orders from President Thabo Mbeki. The Orders are bestowed on South Africans ...Read more
Author:Ampofo-Anti, NLDate:Jun 2007This paper aims to highlight the discrepancies between current built environment education and Critical Outcomes requirements of the South African National Qualifications Framework (NQF)Read more
Author:Strydom, WFDate:Oct 2012The objective of the study was, within the broader context of understanding post-consumer recycling behaviour, to provide a
baseline for domestic waste recycling behaviour in South Africa. The reasons for non-recycling were also explored. ...Read more
Author:Maponya, TG; Makgopa, K; Somo, TR; Tshwane, David M; Modibane, KDDate:Dec 2023Herein, a metal–organic framework (MIL-101(Cr)) was synthesized and functionalized with ethylenediamine-glutaraldehyde (ED-GA for removal of palladium (Pd2+) and platinum (Pt4+) from wastewater. The chemical structure, surface properties, ...Read more
Author:Bhaumik, M; Choi, HJ; Seopela, MP; McCrindle, RI; Maity, ArjunDate:Jan 2014Sulfuric acid modified avocado seed (ASSA), as a low-cost carbonized adsorbent, was investigated for the removal of toxic Cr(VI) from water/wastewater in batch experiments. A low temperature (100 °C) chemical carbonization treatment was ...Read more