Author:Palaniyandy, Nithyadharseni; Kebede, Mesfin A; Ozoemena, KI; Mathe, Mahlanyane KDate:Jan 2019Nanostructured SnO2/onion-like carbon (OLC) composites were fabricated via a facile and rapid microwave-assisted synthesis technique. The influence of SnO2 nanorods anchored on OLC was investigated as an anode material for the first time in ...Read more
Author:Awuor, F; Djouaniy, K; Noelz, G; Olwal, TDate:Sep 2011Nodes in ad hoc networks are autonomous and selfconfiguring with no form of centralized administration such that nodes are free to selfishly optimize their individual utilities without considering utilities of other network users. This compels ...Read more
Author:De Koning, AJDate:Jul 2004Anchovy were stored at 17, 8, 0 and -6 degrees C. Samples were withdrawn periodically, the lipids extracted, purified, and analysed for free and esterified cholesterol. From the results of these tests the rates of the enzymatic esterification ...Read more
Author:Canbulat, I; Dlokweni, TDate:Sep 2002It is standard practice in the majority of rock engineering applications to use a rock mass classification method to evaluate the condition of rock, i.e. to quantify, in an objective manner, the characteristics of good or bad roof. These ...Read more
Author:Wall, K; Rust, CDate:Dec 2015In 2006 the South African Institution of Civil Engineering (SAICE), in partnership with the Council for Scientific and Industrial Research (CSIR), released the first ever “report card” assessment rating of the condition of engineering ...Read more
Author:Jooste, S; Claassen, MariusDate:Jul 2001The principle of ecosystem protection in the South African Water Act requires that water resource management tools for a multiple stressor environment be tailored to the characteristics of the aquatic ecosystem. The requirements of the Act, ...Read more
Author:Britz, Katarina; Varzinczak, Ivan JDate:Apr 2018Description logics have been extended in a number of ways to support defeasible reasoning in the KLM tradition. Such features include preferential or rational defeasible concept subsumption, and defeasible roles in complex concept descriptions. ...Read more
Author:Joseph, S; John, Maya J; Pothen, LADate:2010Biopolymers from renewable resources have attracted much attention in recent years. Increasing environmental consciousness and demands of legislative authorities have given significant opportunities for improved materials from renewable ...Read more
Author:Perlow, J; Rosman, Benjamin S; Hayes, B; Ranchod, PDate:Nov 2017An important step in the construction of novel objects is the ability to recognise combinations of raw materials which are likely to be useful. We aim to exploit the intuition that the visual characteristics of candidate raw materials provide ...Read more
Author:Sivakumar, V; Vishnu Prasanth, P; Kishore, P; Bencherif, H; Keckhut, PDate:2011For the first time, climatology of the middle atmosphere thermal structure is presented, based on 14 years of LIDAR and satellite (HALOE, SABER, CHAMP and COSMIC) temperature measurements. The data is collected over a southern sub-tropical ...Read more
Author:Charyulu, DV; Sivakumar, V; Bencherif, H; Narayano Rao, DDate:Aug 2007In this paper, the authors report the statistical characteristics of Stratospheric Sudden Warming (SSW) events observed over a low latitude station, Gadanki; 13.5°N, 79.2°E. The study uses 7 years (1998 to 2004) of quasi-continuous nighttime ...Read more
Author:Sivakumar, V; Bencherif, H; Acharyulu, DV; Hauchecorne, A; Rao, DN; Sharma, S; Rao, PBDate:Jul 2006First observation of the Stratospheric Sudden Warming (SSW) was made by Scherhag in 1952, using radiosonde measurements over Berlin. Schoeberl (1978) provided a review on theory and observations of stratospheric warming using results reported ...Read more
Author:Shatalov, M; Schiesser, W; Polyanin, A; Fedotov, IDate:Jul 2011New exact solutions of equations of longitudinal vibration of conical and exponential rod are obtained for the Rayleigh-Love model. These solutions are used as reference results for checking accuracy of the method of lines. It is shown that ...Read more
Author:Ittmann, HWDate:1996South Africa has made historical changes during the past six years. With the change of Government in May 1994, the majority party of the Government of National Unity, the ANC, announced its master plan for the new South Africa. That was the ...Read more
Author:Archer, Emma RMDate:Oct 2011Scientists in southern Africa and elsewhere focusing on climate change and agriculture are increasingly demonstrating how livestock, as a highly climate sensitive sector, may be affected by climate change. The Fourth Assessment Report (AR4) ...Read more
Author:Van Huyssteen, GBDate:2010Overall, this article aims to (re)define the component structures in Afrikaans morphological constructions from a cognitive grammar perspective. The author will not pay attention to general issues in cognitive grammar, such as the status of ...Read more
Author:Amezaga, JM; Harrison, J; Von Maltitz, Graham P; Tennigkeit, T; Tiwari, S; Windhorst, KDate:Jun 2009Re-Impact "Rural Energy Production from Bioenergy Projects" is a project funded by the European Union Aid Cooperation office which is promoting a sustainability assessment framework for bioenergy projects focussed on rural development in ...Read more