Author:Masonta, Moshe T; Oyedapo, J; Girod-Genet, MDate:Nov 2010In recent years Internet usage and services, accessed through both fixed and mobile networks, have experienced rapid growth. This growth was driven by the capability of the Internet to provide many new services seamlessly to the users at any ...Read more
Author:Du Preez, WDate:Aug 2010This presentation starts of by discussing the drivers of the international titanium industry, followed by drivers of the South African titanium industry. The Titanium Centre of Competence is then analysed. The conclusion is reached that the ...Read more
Author:Osburn, LDate:Feb 2009Lighting consumes between about 29-35% of the energy used within commercial office space while lighting only consumes about 11% of the energy used in a residential environment. Through conscientious design of the lighting systems, the lighting ...Read more
Author:Osburn, LDate:Apr 2010Lighting consumes about 30% of the energy used within commercial office space and about 10% of the energy used in a residential environment. Through conscientious design of the lighting systems, the lighting load can be significantly reduced ...Read more
Author:Nkosi, Mpho C; Lysko, Albert ADate:Oct 2017Optical networks employ restoration methods to ensure efficient recovery of connections interrupted by network failures. Software Defined Networking (SDN) is emerging as the future network architectures and introduces new control planes for ...Read more
Author:Greeff, M; Kotzé, PaulaDate:Oct 2009This paper introduces a methodology to improve the accessibility of websites with the use of free so-called automatic tools. The methodology has three iterative phases, namely assessing a website against accessibility guidelines, user testing ...Read more
Author:John, Maya J; Anandjiwala, RD; Thomas, SDate:Apr 2009Natural Rubber (NR) is a naturally occurring elastomeric polymer of isoprene (2-methyl-1,3-butadiene). It can be extracted from latex of only one kind of tree, the Hevea braziliensis. Hevea rubber is produced in many tropical regions of ...Read more
Author:De Beer, Morris; Mathews, EH; Krueger, D; Maree, J; Mbhele, FN; Phalanndwa, M; Novhe, NODate:Mar 2008Traditionally acid mine water is neutralised with lime. Limestone is a cheaper alternative for such applications. A case study showed that limestone can be used effectively to replace lime for the neutralization of arsenic rich acid water. ...Read more
Author:Badenhorst, Jacob AC; De Wet, FebeDate:Nov 2017This paper reports on the recognition of second language (L2) isiXhosa speech produced by beginner level adult language learners. The speech samples were produced and recorded during the development of a Mobile Assisted Language Learning ...Read more
Author:Sebake, Thandi NDate:Jun 2008With the current focus on continuing and improving the systems for measuring or assessing the environmental or sustainability performance of buildings, very little attention has been given to the difficulties encountered by the built environment ...Read more
Author:Fourie, CJS; Murdie, R; Gaya-Pique, LRDate:Jun 2009Three possible nuclear test scenarios can be employed: Atmospheric, Marine and Underground. If nuclear tests are performed in the Atmospheric or Marine environments, it is very difficult to hide. Countries that consider doing a secret nuclear ...Read more
Author:Wessels, Konrad J; Van den Bergh, F; Scholes, RJDate:Oct 2012This paper demonstrates a simulation approach for testing the sensitivity of linear and non-parametric trend analysis methods applied to remotely sensed vegetation index data for the detection of land degradation. The intensity, rate and ...Read more
Author:Kebede, Mesfin ADate:Aug 2019This presentation highlights the following topics: Introduction & applications of LIB; LiMn(sub2)O(sub4)(LMO), LiMn(sub1.5)Ni(sub0.5)O(sub)4(LMNO) cathodes and their challenges; LMO nanorods; Microwave irradiated LMNO and LMNOmic and LMO/LMNO ...Read more
Author:Hart, RC; Allanson, BRDate:Dec 1984The report presents the proceedings of an international workshop on the management of Southern Hemisphere inland waters held in Wilderness, South Africa, in July 1984. It includes an introduction and seven chapters dealing sequentially with ...Read more
Author:Ashton, PJ; Schoeman, FRDate:1983The Pretoria Salt pan is shallow and alkaline with pronounced mesothermy at a depth of between 0.55 and 0.7 metres. Secchi disc transparencies ranged from 7 to 19 cm. Endorheic or closed drainage basins are widely distributed in many climate ...Read more
Author:Allanson, BR; Jackson, PBDate:Dec 1983The fisheries potential of the reservoir in the Orange River has been determined by the combined studies of ichthyologists and limnologists. The combination has been synergistic. It has been shown that the physical structure of the reservoir, ...Read more
Author:Breen, CMDate:Dec 1983Lake Midmar is a shallow turbulent lake subject to periodic draw-down. These conditions create considerable instability in the water column and greatly influence the structure and functioing of the system. Analysis of how the lake may be ...Read more
Author:Walmsley, MRD (ed); Butty, M (ed)Date:09 Dec 2010In 1972 Department of water affairs and the bureau of standards expressed concern at eutrophication as a water quality problem and requested the water research commission(WRC) to initiate research on its causes. consequences and controls. In ...Read more
Author:Allanson, BR; Whitfield, AKDate:Dec 1983This report is the summary of a larger two-volumed work originally presented to the Coastal Lakes Working Group in 1981. The floodplain is in essence a series of small, shallow lakes, running in an east-west direction between the village of ...Read more