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
Author:Oberholzer, MFDate:1972A thermistor type sensing element is often preferred to more conventional temperature sensitive devices, such as accessibility, robustness and temperature range are taken into account.Read more
Author:Salami, O; Bagula, A; Chan, ADate:Sep 2009In inter-working multi-hop wireless networks, establishing resilient connectivity between source-destination node pairs is a major issue. The issue of connectivity in multi-hop wireless networks have been studied. However, these analyses ...Read more
Author:Phasha, MJ; Ngoepe, PE; Chauke, HR; Pettifor, DR; Nguyen-Mann, DDate:Jun 2010The first principles pseudopotential calculations based on the PerdeweBurkeeErnzerhof (PBE) form of generalized gradient approximation (GGA) within density functional theory (DFT) have been utilized to investigate the structural and elastic ...Read more
Author:Delport, JPDate:May 2007This dissertation describes the experiments performed and the techniques developed in order to identify network nodes and the connections between these nodes. The product of the investigation was the formulation of an algorithm and heuristic ...Read more
Author:Anochie-Boateng, Joseph; Steyn, WJ vdM; Fisher, Colin; Truter, LDate:Sep 2016The development of a new mechanistic-empirical pavement design method by the South African National Roads Agency Ltd (SANRAL) is at its finalization stage. The new design method, referred to as the South African pavement design method (SAPDM) ...Read more
Author:Oberholster, Paul J; Botha, A-M; Myburgh, JGDate:Nov 2009The paper highlights results that show a potential shift in certain phytoplankton communities against a background of eutrophication, the authors predict an increase in blooms of cyanophytes and poisoning incidences by previously non dominant ...Read more
Author:Le Maitre, David C; Milton, SJ; Jarmain, C; Colvin, C; Saayman, I; Vlok, JHJDate:Jul 2007There is growing acknowledgement of the dependence of human society on ecosystem services and of the fact that service delivery is being compromised by human impacts on ecosystems. This paper describes the linkage between landscape-scale ...Read more
Author:Jappie, S; Botha, A-M; Oberholster, Paul JDate:Oct 2012In this study, specific pollutants and their particular sub-cellular effect on organisms were identified through the use of ecotoxigenomic tools.Read more