Author:Szewczuk, SDate:Aug 2011The South African Wind Energy Technology Programme (SAWEP) Phase 1 aims to achieve two key strategic outputs that will guide South Africa on wind energy development. One of these outputs is the Wind Atlas for South Africa (WASA) which will ...Read more
Author:Bonapace, ACDate:1971The drag coefficient of a solitary particle when moving relative to a fluid, when rising or falling vertically in a stationary fluid, is a well-known function of the particle Reynolds number.Read more
Author:Taylor, SJ; Ferguson, JHW; Engelbrect, Francois A; Clark, VR; Van Rensburg, S; Barker, NDate:Nov 2016During the past century, South Africa focused on engineered systems (dams, inter-basin transfers, tunnels, and pipelines) to safeguard its water supply. National water security in South Africa in the future is now expected to depend on an ...Read more
Author:Musvoto, Constansia DDate:Dec 2015The green economy, with its underlying philosophy of reducing the dependence of economic development on the increased consumption of and damage to natural resources is a tool for achieving sustainable development. Globally, a green economy ...Read more
Author:Ngxande, Mkhuseli; Tapamo, J-R; Burke, Michael GDate:Nov 2017This paper presents a literature review of driver drowsiness detection based on behavioral measures using machine learning techniques. Faces contain information that can be used to interpret levels of drowsiness. There are many facial features ...Read more
Author:Venter, KarienDate:Jul 2017As part of an ongoing effort to explore driver behaviour in South Africa, this research investigates non-motorised transport users as an element of risk in the driving environment from a driver perspective. This research made use of a small ...Read more
Author:Knüppe, K; Meissner, RichardDate:Nov 2016Over the last 17 years South Africa's water and land resources management has changed dramatically. This rapid evolution has been accompanied by a growing number of laws and policies to co-balance water allocation for human basic needs and ...Read more
Author:Jacob, M; Erasmus, JDate:Sep 2014Product Lifecycle Management (PLM) combines enterprise-wide product and process innovation improving the manufacturing industry’s ability to meet the need for shorter product lifecycles, satisfying customers’ expectations and adhere to stricter ...Read more
Author:Archibald, SA; Kirton, A; Van der Merwe, Martina R; Scholes, RJ; Williams, CA; Hanan, NDate:2009Inter-annual variability in primary production and ecosystem respiration was explored using eddy-covariance data at a semi-arid savanna site in the Kruger Park, South Africa. New methods of extrapolating night-time respiration to the entire ...Read more
Author:Raw, JL; Godbold, JA; Van Niekerk, Lara; Adams, JBDate:Oct 2019Mangrove distribution patterns at regional scales are influenced by additional factors besides temperature and rainfall regimes. This study identified abiotic drivers of mangrove area cover along the high-energy, wave-dominated coastline of ...Read more
Author:Rust, FCDate:Jan 2009There is no doubt that infrastructure in general and specifically transport infrastructure plays a major role in economic development (Weisbrod G 1997, Chapman P et al 2002) as well as in social development (UNCDF 2007). In addition, construction ...Read more
Author:Mbanjwa, MB; Windvoel, TV; Land, KJDate:Oct 2012Droplet-based microfluidics has, in recent years, received increased attention as an important tool for performing numerous
methods in modern day chemistry and biology, such as synthesis of hydrogel microparticles. The droplet-based ...Read more
Author:Nweke, EE; Thimiri Govindaraj, Deepak BDate:Feb 2021One of the critical Global challenges in achieving the UN Sustainable Development Goals 3 Good Health and Well Being is optimizing drug discovery and translational research for unmet medical need in both communicable and non-communicable ...Read more
Author:Walters, Chavon RDate:Jun 2017With increasing frequency countries are faced with a new set of chemicals that are contaminating the environment. These so-called ‘emerging contaminants’ hold potential risk to humans and/or the environment. The challenge is that, generally, ...Read more
Author:Zunckel, M; Piketh, S; Freiman, TDate:Oct 1999The inferential method is applied to estimate dry deposition rates of sulphur at a remote rural site on the South African south-eastern escarpment. Two 2-week intensive monitoring campaigns were conducted during the Ben MacDhui High Altitude ...Read more
Author:Zunckel, M; Turner, CR; Wells, RBDate:Oct 1996A pilot study which uses the inferential method to estimate dry deposition of sulphur on the central Mpumalanga highveld is discussed in this paper. Ambient concentrations of sulphur dioxide, particulates and micro-meteorological measurements ...Read more
Author:Le Roux, D; Stock, WD; Bond, WJ; Maphanga, DDate:May 1996Clonal variation in water use efficiency (WUE), dry mass accumulation and allocation, and stable carbon isotope ratio (delta (13)C) of crude leaf fibre extracts was determined in six clones of Eucalyptus grandis W. Hill ex Maiden grown for ...Read more
Author:De Korte, GJDate:Oct 2013Dense medium processing is the beneficiation process most widely employed in South Africa. Based on the fact that South Africa (and its neighboring countries) is a water-scarce area, dry processing technologies are being evaluated for ...Read more
Author:Ramoelo, Abel; Cho, Moses ADate:Oct 2014For grazing, biomass is the main indicator of rangeland quantity, which is crucial to determine the amount of food available for animals (grazers), including livestock. Livestock production in the rural communities of the world, including ...Read more