Browsing Research Articles (University of Pretoria) by Title

Browsing Research Articles (University of Pretoria) by Title

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  • The duty to create un beau vivant 
    Meylahn, Johann-Albrecht (Stellenbosch University, Faculty of Theology, 2019)
    This chapter, in honour of Johan Cilliers, will not seek to engage his extensive oeuvre, but rather focus on a single text (2011), Fides Quaerens pulchrum: Practical theological perspectives on the desire for beauty, ...
  • The duty to make abortion law transparent : a Malawi case study 
    Kangaude, Godfrey Dalitso; Mhango, Chisale (Wiley, 2018-12)
    Despite adopting a progressive legal and policy framework informed by internationally recognized human rights norms and values, Malawi has not complied with the obligation to explain its abortion law in accordance with ...
  • Dwarssnit vergelyking van voedingkennis, -houding en eetpraktyke tussen leerders en onderwysers in laerskole in 'n hulpbronbeperkte gemeenskap in Bronkhorstspruit, Suid-Afrika 
    Kupolati, Mojisola D.; MacIntyre, Una Elizabeth; Gericke, Gerda J. (AOSIS Open Journals, 2014)
    Optimal nutrition knowledge is necessary for healthy dietary behaviours to occur. Nutrition knowledge, attitudes and dietary practices (KAP) scores for learners have been variously reported in literature, however with ...
  • Dwelling characteristics influence indoor temperature and may pose health threats in LMICs 
    Teare, June; Mathee, Angela; Naicker, Nisha; Swanepoel, Cheryl; Kapwata, Thandi; Balakrishna, Yusentha; Du Preez, David Jean; Millar, Danielle A.; Wright, Caradee Yael (Ubiquity Press, 2020)
    BACKGROUND: Shelter and safe housing is a basic human need that brings about a sense of ownership, selfsufficiency, and citizenship. Millions of people around the world live in inadequate dwellings in unhealthy areas, ...
  • Dynamic analysis of DC-DC converter internal to an offshore wind farm 
    Musasa, K.; Gitau, Michael Njoroge; Bansal, Ramesh C. (Institution of Engineering and Technology, 2015-08)
    This paper investigates the dynamic performance of an active rectifier integrated into a wind park. The small changes in the DC current and the DC voltage are examined. The small variations are caused by the miniature ...
  • Dynamic and asymmetric response of inequality to income volatility : the case of the United Kingdom 
    Aye, Goodness Chioma; Gozgor, Giray; Gupta, Rangan (Springer, 2020-02)
    Using the quarterly data of the United Kingdom (UK) for the period from 1975Q1 to 2016Q1, the paper analyses the dynamic and the asymmetric responses of inequality to the real gross domestic product (GDP) (income) volatility. ...
  • A dynamic and combinatorial histone code drives malaria parasite asexual and sexual development 
    Von Gruning, Hilde; Coradin, Mariel; Mendoza, Mariel R.; Reader, Janette; Sidoli, Simone; Garcia, Benjamin A.; Birkholtz, Lyn-Marie (Elsevier, 2022-03)
    Histone posttranslational modifications (PTMs) frequently co-occur on the same chromatin domains or even in the same molecule. It is now established that these “histone codes” are the result of cross talk between enzymes ...
  • A dynamic balance model for analysts and managers 
    Gouws, Daan G.; Lucouw, Pierre (School of Accounting Sciences, UP, 2000)
    Thinking and research in respect of accounting and finance over the past three decades have been dominated by a methodology that is primarily based on the predictability of accounting data and its relationship to certain ...
  • Dynamic capabilities : axiomatic formation of firms’ competitive competencies 
    Mushangai, Dandira (Elsevier, 2023)
    The capabilities concept is critical in understanding the competitive competencies of firms. Capabilities allow firms to sense, seize and reconfigure their resources in response to opportunities and threats within their ...
  • Dynamic capabilities, expert and entrepreneurial learning 
    Lecler, C.J.; Kinghorn, J. (Association for Professional Managers in South Africa, 2014-06)
    This article focuses on how managers sense and seize opportunities for learning and developing dynamic capabilities in organisations. An approach of building process theory from cases traces learning events in the ...
  • Dynamic capital structure determinants : some evidence from South African firms 
    Moyo, Vusani; Wolmarans, Hendrik Petrus; Brummer, L.M., 1940- (Faculty of Economic and Financial Sciences, University of Johannesburg, 2013-10)
    This study uses a sample of 49 manufacturing, 24 mining and 23 retail firms listed on the Johannesburg Stock Exchange during the period 2005-2010 to investigate the relationship between leverage and the firm’s key financial ...
  • Dynamic comovements between housing and oil markets in the US over 1859 to 2013 : a note 
    Antonakakis, Nikolaos; Gupta, Rangan; Mwamba, JohnW. Muteba (Springer Verlag, 2016-08-16)
    In this study, we examine the dynamic comovements between housing and oil market returns in the United States over the period 1859–2013, while controlling for real gross domestic product growth, inflation, interest rates, ...
  • Dynamic connectedness of uncertainty across developed economies : a time-varying approach 
    Antonakakis, Nikolaos; Gabauer, David; Gupta, Rangan; Plakandaras, Vasilios (Elsevier, 2018-05)
    Economic uncertainty has attracted a significant part of the modern research in economics, proving to be a significant factor for every economy. In this study, we focus on the transmission channel of uncertainty between ...
  • Dynamic connectivity in wireless underground sensor networks 
    Sun, Zhi; Akyildiz, Ian F.; Hancke, Gerhard P. (Institute of Electrical and Electronics Engineers, 2011-12)
    In wireless underground sensor networks (WUSNs), due to the dynamic underground channel characteristics and the heterogeneous network architecture, the connectivity analysis is much more complicated than in the terrestrial ...
  • Dynamic economic dispatch using hybrid DE-SQP for generating units with valve-point effects 
    Elaiw, A.M.; Xia, Xiaohua; Shehata, A.M.; Judice, J.J. (Hindawi Publishing Corporation, 2012)
    This paper presents hybrid differential evolution (DE) and sequential quadratic programming (SQP) for solving the dynamic economic dispatch (DED) problem for generating units with valvepoint effects. DE is used as a ...
  • Dynamic economic dispatch with maximal renewable penetration under renewable obligation 
    Hlalele, Thabo Gregory; Naidoo, Raj; Zhang, Jiangfeng; Bansal, Ramesh C. (Institute of Electrical and Electronics Engineers, 2020-02)
    This paper presents a multi-objective dynamic economic dispatch model with renewable obligation requirements. The two objective functions that are presented in this paper aim to increase the level of renewable energy sources ...
  • Dynamic edge effects in small mammal communities across a conservation-agricultural interface in Swaziland 
    Hurst, Zachary M.; McCleery, Robert A.; Collier, Bret A.; Fletcher, Robert J.; Silvy, Nova J.; Taylor, P.J. (Peter John); Monadjem, Ara; Fenton, Brock (Public Library of Science, 2013-09-09)
    Across the planet, high-intensity farming has transformed native vegetation into monocultures, decreasing biodiversity on a landscape scale. Yet landscape-scale changes to biodiversity and community structure often emerge ...
  • Dynamic effects of monetary policy shocks in Malawi 
    Ngalawa, Harold; Viegi, Nicola (Wiley-Blackwell, 2011-09)
    This paper sets out to investigate the process through which monetary policy affects economic activity in Malawi. Using innovation accounting in a structural vector autoregressive model, it is established that monetary ...
  • Dynamic effects of monetary policy shocks on macroeconomic volatility in the United Kingdom 
    Salisu, Afees A.; Gupta, Rangan (Routledge, 2021)
    We use constant and time-varying parameters vector autoregressive models that allow the estimation of the impact of monetary policy shocks on volatility of macroeconomic variables in the United Kingdom. Estimates suggest ...
  • A dynamic energy management system using smart metering 
    Mbungu, Nsilulu Tresor; Bansal, Ramesh C.; Naidoo, Raj; Bettayeb, Maamar; Siti, Mukwanga W.; Bipathe, Minnesh (Elsevier, 2020-12)
    Smart grid technologies are a catalyst for the modernisation of the electrical system whilst satisfying all electrical power stakeholders. The application of intelligent systems results in more flexibility and reliability. ...