Now showing items 998-1017 of 9560

    • Case study for evaluating benefits of pavement research: final results 

      Plessis, L.; Liebenberg, L.; Nokes, W.; Mahdavi, M.; Burmas, N.; Holland, T.; Harvey, J. (The National Academies of Sciences, Engineering, and Medicine, 2013)
      Heavy-duty pavement innovations developed through research for a major rehabilitation project in California were evaluated. The performance benefits of the innovations were examined, and the economic benefits from ...
    • Case study of postgraduate student dropout rate at South African universities 

      Styger, A.; Van Vuuren, G.W.; Heymans, A. (Clute Institute, 2015)
      Public funding for higher education in South Africa is a significant investment. Large amounts of funds are invested in students and there is a national shortage of high quality students in scarce skills - in particular, ...
    • A case study to determine the efficacy of ozonation in purification processes 

      Morrison, S.; Venter, A.; Barnard, S. (South African Water Research Commission, 2012)
      The aim of this study was to determine the efficacy of ozone in water purification processes at the Midvaal Water Company, which uses the hypertrophic Middle Vaal River for source water. It was found that pre- and ...
    • Case study: Apparel industry waste management: A focus on recycling in South Africa 

      Larney, Mentje; Van Aardt, Annette Marie (International Solid Waste Association, 2010)
    • Case study: energy savings for a deep-mine water reticulation system 

      Vosloo, Jan Corné; Liebenberg, Leon; Velleman, Douglas Heinz (Elsevier, 2012)
      In deep level mining, water reticulation systems are one of the major consumers of electricity. The refrigeration plants, together with the underground water supply and dewatering systems are integrated to form one complete ...
    • Case study: the effects of a variable flow energy saving strategy on a deep-mine cooling system 

      Du Plessis, Gideon Edgar; Liebenberg, Leon; Mathews, Edward Henry (ELSEVIER, 2013)
      Cooling systems consume up to 25% of the total electricity used on deep level mines. These systems are integrated with the water reticulation system to provide chilled service water to the mine as well as cooling for mine ...
    • Catalogue of snout mites (Acariformes: Bdellidae) of the world 

      Hernandes, Fabio A.; Ueckermann, Edward A.; Skvarla, Michael J.; Fisher, J. Ray; Dowling, Ashley P.G. (Magnolia Press, 2016)
      Bdellidae (Trombidiformes: Prostigmata) are moderate to large sized predatory mites that inhabit soil, leaves, leaf litter, and intertidal rocks. They are readily recognized by an elongated, snout-like gnathosoma and by ...
    • Category-based phoneme-to-grapheme transliteration 

      Willem D. Basson; Marelie H. Davel (International Speech Communication Association ( ISCA ), 2013)
      Grapheme-based speech recognition systems are faster to develop but typically do not reach the same level of performance as phoneme-based systems. In this paper we introduce a technique for improving the performance of ...
    • The causes of conflict in public and private sector organizations in South Africa 

      Van Tonder, Chris; Havenga, Werner; Visagie, Jan (University of Primorska Faculty of Management, 2008)
    • Causes of stress in public schools and its Impact on work performance of educators 

      Naidoo, Kiveshnie; Botha, Christoff J.; Bisschoff, Christo A. (Kamla-Raj Enterprises, 2013)
      This article reports on educator stress in public schools. In doing so, the article sets the objectives of identifying the causes of stress in public schools of educators in KwaZulu-Natal. The data were collected by ...
    • Cavinula lilandae (Bacillariophyta), a new diatom species from the Congo Basin, Central Africa 

      Cocquyt, Christne; De Haan, Myriam; Taylor, Jonathan C. (Taylor & Francis, 2013)
      Cavinula lilandae, a small new diatom from the Congo Basin in Central Africa, was observed in acid riverine habitats in an almost pristine tropical rain forest. It occurred in a periphytic diatom community dominated by ...
    • Celebrating the intellectual legacy of A.C. Jordan 

      Ndlela, Philden (Taylor and Francis Online, 2014)
      The paucity or dearth of scholarship around A.C. Jordan's contributions as teacher, visionary, scholar and political activist in South Africa is as disconcerting as it is disillusioning. This paper seeks to take A.C. ...
    • A celebration of book history in Africa 

      21548803 - Gouws, John Stephen (Institute for the study of English in Africa, 2008)
    • Cell based assays for anti-Plasmodium activity evaluation 

      Mokgethi-Morule, Thabang; N'Da, David D. (Elsevier, 2016)
      Malaria remains one of the most common and deadly infectious diseases worldwide. The severity of this global public health challenge is reflected by the approximately 198 million people, who were reportedly infected in ...
    • A cell viability assay to determine the cytotoxic effects of water contaminated by microbes 

      Prinsloo, Suranie; Pieters, Rialet; Bezuidenhout, Carlos C. (Academy of Science of South Africa (ASSAf), 2013)
      Many South Africans do not have access to safe drinking water, so they have no alternative but to use water from contaminated sources that poses a health hazard. This poor state of affairs appears to be deteriorating. In ...
    • Cell-free DNA in a three-dimensional spheroid cell culture model: a preliminary study 

      Aucamp, Janine; Calitz, Carlemi; Bronkhorst, Abel J.; Hamman, Sias; Gouws, Chrisna; Pretorius, Piet J. (Elsevier, 2017)
      Background Investigating the biological functions of cell-free DNA (cfDNA) is limited by the interference of vast numbers of putative sources and causes of DNA release into circulation. Utilization of three-dimensional ...
    • Cell-free DNA: preanalytical variables 

      Bronkhorst, Abel Jacobus; Aucamp, Janine; Pretorius, Piet J. (Elsevier, 2015)
      Since the discovery of cell-free DNA (cfDNA) in human blood, most studies have focused on diagnostic and prognostic uses of these markers for solid tumors. Except for some prenatal tests and BEAMing, cfDNA analysis has not ...
    • Cellular bioenergetics is impaired in patients with chronic fatigue syndrome 

      Tomas, Cara; Elson, Joanna; Brown, Audrey; Strassheim, Victoria; Newton, Julia (PLOS, 2017)
      Chronic fatigue syndrome (CFS) is a highly debilitating disease of unknown aetiology. Abnormalities in bioenergetic function have been cited as one possible cause for CFS. Preliminary studies were performed to investigate ...
    • The central commandment of love in discussion 

      Strauss, D.F.M. (Vereniging vir Christelike Hoër Onderwys, 2013)
      Some of the key issues that surfaced in a recent discussion on Thinknet regarding the meaning of the central commandment of love and its relation to various aspects of reality, in particular the social and ethical modal ...
    • The central principle of Calvinism? Some criteria, proposals and questions 

      Coletto, Renato (AOSIS, 2015)
      Is there a ‘central principle’ of Calvinism? This article explores this question mainly from the viewpoint of reformational philosophy. It does so firstly by introducing criteria that should be used to identify, if ...