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
Author:Matsila, TA; Ribbens, HDate:Jul 2007The PAVE (Professionalism, Awareness, Visibility, Education) was conceptualised with the objective to enhance the current traffic management strategies, especially with regard to the traffic law enforcement function in line with the key ...Read more
Author:Roux, FSDate:Jun 2014The quantum state for the spatial degrees of freedom of photons propagating through turbulence is analyzed. The turbulent medium is modeled by a single phase screen for weak scintillation conditions and by multiple phase screens for general ...Read more
Author:Maina, JW; Ozawa, Y; Matsui, KDate:Oct 2012Conventional methods for road and airport pavement analyses, such as BISAR and GAMES, were developed based on a cylindrical coordinate system. Because of the loading symmetry due to the assumption that a circular uniformly distributed load ...Read more
Author:Sampson, LR; Ventura, DFC; Kalombo, DKDate:04 Jun 2009Several problems with the linear shrinkage test specified in Method A4 of the THM 1 1979 were addressed as part of this investigation in an effort to improve the alleged poor reproducibility of the test and justify its reintroduction into THM ...Read more