Author:Monteiro, Pedro MS; Van der Plas, AKDate:Sep 2006LOW variability in the Benguela is governed by varying scales of remote and local forcing linked to both Equatorial and Cape Basin systems. The nature of these nonlinear interactions is not clearly understood because scales are large and their ...Read more
Author:Onumanyi, Adeiza J; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Nov 2020The Internet of Things (IoT) is an emerging paradigm that enables many beneficial and prospective application areas, such as smart metering, smart homes, smart industries, and smart city architectures, to name but a few. These application ...Read more
Author:Nithyadharseni, P; Reddy, MV; Ozoemena, KI; Balakrishna, RG; Chowdari, BVRDate:Oct 2015For the first time, yttrium tin oxide (Y(sub2)Sn(sub2)O(sub7)) compound is prepared at low temperature (400 _C) with cubic pyrochlore structure via molten salt method using KOH as a flux for their electrochemical applications. The final product ...Read more
Author:Karem, TR; Chan, HADate:Jul 2007This study investigates the problem of ring-node assignment in a Multiservice SDH/SONET Optical network design with Network capacity constraint. The problem is characterized as a graph-partitioning problem, and a heuristic algorithm based on ...Read more
Author:Babajide, O; Petrik, L; Amigun, B; Ameer, FDate:Oct 2010Biodiesel has attracted increasing interest and has proved to be a good substitute for fossil-based fuels due to its environmental advantages and availability from renewable resources such as refined and waste vegetable oils. Several studies ...Read more
Author:Luo, H; Mathe, Mahlanyane KDate:31 Aug 2010Energy is one of the most important factors that will influence the shape of society in the 21st century. Fuel cells are electrochemical energy converters, transforming chemical energy directly into electricity. Fuel cells are the main zero ...Read more
Author:Bezuidenhout, Petrone H; Smith, Suzanne; Land, Kevin J; Joubert, T-HDate:Sep 2017The work presented details the development of a lowcost potentiostat, with the aim of creating an ink-jet printed hybrid paper-based low-cost sensing system for rapid water quality monitoring. Potentiostats exhibit high sensitivities and can ...Read more
Author:Cummings, FDate:Sep 2010This paper provides a background to photovoltaics, and goes on to discuss dye-sensitised solar cell research and development at the CSIR. An overview of TiO2 nanotube synthesis is given, followed by the discussing the manufacturing process ...Read more
Author:Smith, Andrew CDate:Jul 2008We present a low-cost, low-energy technology design that addresses the lack of readily available functional computers for the vast number of computer-illiterate people in developing countries. The tangible programming language presented is ...Read more
Author:Bezuidenhout, Petrone H; Land, Kevin J; Joubert, T-HDate:Sep 2016Electrochemical biosensing is used to detect specific analytes in fluids, such as bacterial and chemical contaminants. A common implementation of an electrochemical readout is a potentiostat, which usually includes potentiometric, amperometric, ...Read more
Author:Meinjes, AADate:1976This report describes the apparatus used to determine the low-temperature carbonisation properties of South Africa.Read more
Author:Carpanen, D; Webster, C; Pandelani, Thanyani A; Newell, N; Clasper, J; Masouros, SDate:Jul 2018The lower extremity is the most common body region injured in modern warfare which is characterised by proliferation of explosive weapons. Personnel on foot (dismounted) attacked by anti-personnel mines sustain predominantly an open pelvic ...Read more
Author:Butgereit, LL; Botha, RADate:Sep 2011MXit lingo is an abbreviated form of written English used by children, teenagers and young adults when communicating using MXit as a medium over cell phones. A stemmer for MXit lingo would enable a search engine such as Lucene to index stored ...Read more
Author:Woodborne, S; Vogel, JCDate:Oct 1997Deal with infrared-stimulated luminescence and thermoluminescence dates from Rose Cottage Cave in South Africa. Discrepancy between luminescence and radiocarbon dates; Concentration of radioactive elements in sediments before and after leaching ...Read more
Author:Mhlongo, Gugu H; Dhlamini, MS; Ntwaeaborwa, OM; Swart, HC; Hillie, KTDate:Feb 2014Luminescence properties of Pr(sup3+) single doped SiO2 and Pr(sup3+) co-doped SiO(sub2):Tb(sup3+)/Eu(sup3+) nanophosphors synthesized using sol–gel method were investigated. X-ray diffraction (XRD), and scanning electron microscope (SEM) were ...Read more
Author:Raleaooa, PV; Roodt, A; Mhlongo, Gugu H; Motaung, David E; Kroon, RE; Ntwaeaborwa, OMDate:Feb 2017The structure, particle morphology, optical and magnetic properties of ZnO, ZnS and ZnO-ZnS nanoparticles prepared by the sol-gel method are reported. ZnO and ZnS were combined at room temperature by an ex situ synthetic route to prepare ...Read more
Author:Sharma, A; Gumede, T; Kuun, C; McAlister, B; Qwabe, ODate:01 Sep 2010We present in this paper the design, development and pilot process of the Lwazi community communication service (LCCS), a multilingual automated telephone-based information service. The service acts as a communication and dissemination tool ...Read more
Author:Sharma Grover, A; Barnard, EDate:Apr 2011The authors present the design, development and pilot process of the Lwazi Community Communication Service (LCCS), a multilingual automated telephone-based information service. The service acts as a communication and dissemination tool that ...Read more