Now showing items 2260-2279 of 9156

    • DSM opportunities in underground refrigeration systems 

      Strydom-Bouwer, Emile Liché (North-West University, 2008)
      This study will focus on the feasibility of demand side electricity management on underground refrigeration systems. It will include a relevant literature study, the investigation process, a simulation model, expected ...
    • DSM strategies to reduce electricity costs on platinum mines 

      Deysel, Jan Adriaan (2015)
      Labour disruptions, operational cost increases, mineral price decreases and nationalisation are only a few of the financial risks faced by mining companies in South Africa. These risks are not only impacting the mining ...
    • DSM strategy for national water pumping systems 

      Nortjé, André (North-West University, 2012)
      The continual increase in electrical energy demand in South Africa has resulted in a precariously low reserve margin in supply from the primary utility, Eskom. This resulted in extensive load shedding throughout the country. ...
    • Duchamp, Kosuth en die diskoers oor kuns 

      Swanepoel, Magritha Christiana (North-West University, 2003)
      In this dissertation the artworks Fountain of Marcel Duchamp that dates from 1917 and One and three chairs of Joseph Kosuth that dates from 1965 were analysed and discussed using a method developed in semiotics. The works ...
    • Duitse immigrasie na Suid-Afrika ná 1945: 'n transnasionale geskiedenis, met die fokus op Wolfgang Wehrmeyer (1933-2008) 

      Wehrmeyer, Hermann Wilfried (2016)
      The presence of German immigrants - especially the German orphans of 1948, was a known phenomenon to the South African community during the 20th century. After the Second World War, South Africa’s economy developed rapidly ...
    • Duration as a strategic interest rate risk management tool in financial institutions 

      Van Vuuren, Gary Wayne (North-West University, 2005)
      Banks and financial institutions record core banking activities (taking deposits and making loans) on the balance sheet of the banking book, but trading book (trading and investment) pursuits are recorded off-balance-sheet. ...
    • Dwaling weens foutiewe kommunikasie by die elektroniese kontrakteringsproses 

      Coetzer, Francois Jacobus (North-West University, 2011)
      In the modern era of international trade most agreements are concluded by way of electronic means. This form of trade is better known as e–trading. This method of negotiating and concluding contracts are popular and the ...
    • Dynamic control of a hybrid control valve 

      Breed, Douw Gerbrand (North-West University, 2006)
      In industries around the world control valves are commonly used to control integrated systems. The operational range of a control valve may therefore extend over large excursions of pressure and fluid or gas density. ...
    • Dynamic modelling of a control valve 

      Helling, Arnold (North-West University, 2004)
      Process industries today enjoy significant benefits from advances made in the field of simulation as well as technologies that model normal plant operation. Plants however continue to suffer during abnormal operation ...
    • Dynamic modelling of banking activities 

      Fouché, Casper Hendrik (North-West University, 2007)
      We investigate the discrete-time dynamics of banking items such as loan demand and supply, deposits, treasury securities, capital and bank value under the influence of macroeconomic factors. These models enable us to ...
    • Dynamic modelling of the natural convection water cooling principle 

      Van der Westhuizen, Pieter Hermanus (North-West University, 2007)
      The aim of this project is to investigate the operating characteristics of the Reactor Cavity Cooling System (RCCS) of the Pebble Bed Modular Reactor (PBMR) demonstration power plant during the active and passive operation ...
    • A dynamic optimal control system for complex compressed air networks 

      Van Heerden, Schalk Willem (North-West University (South Africa) , Potchefstroom Campus, 2016)
      Mines use large compressed air networks to supply shafts and processing plants with compressed air. These networks can be complex where multiple compressors are located at different locations. To add to the complexity of ...
    • Dynamics of context and psychological well-being : the role of subjective health perceptions, personality factors and spirituality 

      Temane, Qambeshile Michael (North-West University, 2006)
      There is a lacuna in the field of positive psychology as far as the conceptualisation of influences of environmental contexts on psychological well-being is concerned, and there is also a lack of credible empirical ...
    • Dynamics of energy transfer in light harvesting photosynthetic systems 

      Molukanele, Palesa Patricia (North-West University, 2009)
      Photosynthesis is the process by which plants, algae and photo synthetic bacteria convert sunlight energy into chemical energy (ATP). The initial stages of this process (harvesting solar energy and transferring it to the ...
    • Dynamics of Napier stunt phytoplasma between the cultivated and wild graminae in East Africa 

      Asudi, George Ochieng (2015)
      Cultivation of Napier grass, Pennisetum purpureum, the most important livestock crop in East Africa is severely constrained by Napier Grass Stunt (NGS) disease. The disease spreads via an insect vector or vegetative ...
    • The dynamics of psycho–social well–being in Afri Twin schools 

      De Klerk, Werner (North-West University, 2013)
      This study, presented in the format of three articles, contributed to the measuring of psycho-social well-being in Afri Twin schools. The literature points to a serious lack of studies measuring the psychosocial well-being ...
    • An e-governance training model for public managers : the case of selected Free State Provincial departments 

      Sithole, Vusi Ezra (2015)
      The present study focuses on the application of electronic governance (e-governance) or implementation of ICTs by governments. This topic has been a worldwide focus for several years to date. This study has unpacked and ...
    • An e-readiness toolkit for novice students at the Tshwane University of Technology 

      Van Vuuren Marais, Dina Margaretha (North-West University (South Africa) , Potchefstroom Campus, 2016)
      Education is pivotal in many facets of life and should specifically be restructured for interaction and use in the global ethos of the elevated technology of the 21st century. The 21st century workforce of South Africa ...
    • E-tailing : factors considered in the strategic marketing of an online store 

      Du Toit, Adam Jacobus (2013)
      The study investigated the cognitive opinions expressed by consumers in an online shopping environment in the sport supplementation industry as well as the influence certain factors identified through literature, had on ...
    • E.E. Cummings : the ecology of his poetry 

      Terblanche, Juan Etienne (Potchefstroom University for Christian Higher Education, 2002)
      E.E. Cummings' modernist poetry roots itself in nature. That it has not received overt ecosemiotic ("ecocritical") attention is surprising. This thesis reads Cummings' poetic oeuvre as found in his Complete Poems (1994) ...