Author:Mkwizu, TS; Modibedi, Remegia M; Mathe, Mahlanyane KDate:May 2011This work will describe our recent advances in room-temperature, sequential electrochemical deposition (in aqueous media) of nanostructured multimetallic systems of variable composition, and morphologies, directly onto carbon supports such ...Read more
Author:Vhengani, L; Frost, P; Lai, C; Booi, N; Van den Dool, R; Raath, WDate:Jul 2015Wild fires may be beneficial to some ecological functions, however their negative impacts far exceed their benefits. This is because wildfires are a threat to the natural environment, wild life and their carbon emissions contribute to green ...Read more
Author:Roro, Kittessa TDate:Sep 2011Due to their unique electronic and optical properties nanocomposite materials have wide range of applications in solar energy conversion. In this study, multiwalled carbon nanotubes (MWCNTs)/Nickel oxide (NiO) nanocomposites were successfully ...Read more
Author:Lekoloane, Gaoshitwe A; Wright, Jarrad G; Carter-Brown, Clinton GDate:Oct 2018The energy transition being experienced globally and now in South Africa introduces new challenges and opportunities for municipalities, with requisite changes in business models and tariffs. The creation of municipal energy master plans ...Read more
Author:Naidoo, SamanthaDate:Oct 2015The application of scientific, engineering and technological solutions by the CSIR to support local government environmental management and service delivery has the potential for significant impact. A case study illustrates the application ...Read more
Author:Wall, K; Amod, S; Rust, C; Pillay, MDate:Jun 2011In 2006 the South African Institution of Civil Engineering (SAICE) released the first ever “report card” of the state of engineering infrastructure in South Africa. This report highlighted “the observations of the professionals responsible ...Read more
Author:Cele, NP; Ray, SS; Kesavan Pillai, Sreejarani; Arendse, C; Ndwandwe, NDate:Nov 2008Nafion nanocomposites were prepared with pure multiwalled carbon nanotubes (PMWCNTs), oxidised MWCNTs (OMWCNTs) and functionalised MWCNTs (FMWCNTs) as fillers, to investigate the effect of multiwalled carbon nanotubes on thermal stability, ...Read more
Author:Halland, K; Britz, KDate:Jun 2012The formal definition of abduction asks what needs to be added to a knowledge base to enable an observation to be entailed by the knowledge base. An observation which is not entailed by the knowledge base will result in open branches in a ...Read more
Author:Van Dyk, E; Barnard, EDate:Nov 2007The authors investigate the use of naive Bayesian classifiers for multinomial feature spaces and derive error estimates for these classifiers. The error analysis is done by developing a mathematical model to estimate the probability density ...Read more
Author:De Waal, AJ; Louis, AL; Venter, JPDate:Oct 2006Named Entity Recognition (NER) is the process of identifying occurrences of words or expressions as belonging to a particular category of a Named Entity (NE).The aim of the project was to test the feasibility of a probabilistic NER system ...Read more
Author:Roux, Michael P; Nordengen, Paul A; Tekie, SB; Rittmann, RDate:Oct 2010This paper describes the development and implementation of a bridge management system (BMS) for the Namibia Roads Authority (NRA). Namibia is a vast country (825 420 km2) with a very low population density and the NRA is currently responsible ...Read more
Author:Peters, AN; Oren, MA; Bidwell, NJDate:May 2012Nadkarni and Hofman’s meta-review of literature on Facebook usage recommends examining differences in Facebook use between collectivistic and individualistic cultures. We discuss early findings of an exploratory study to compare use between ...Read more
Author:Ramasobane, P; Mashinini, MP; Masina, Bathusile NDate:Nov 2023This study investigated the nano mechanical properties of Ti6Al4V-ELI embraced with TiC particles, synthesized with in situ laser metal deposition technique. The 3.85% feed ratio fraction TiC/Ti6Al4V-ELI composite samples were manufactured ...Read more
Author:Wepnener, I; Richter, W; Joubert, ADate:01 Sep 2010Strong, bioinert materials have always been the focus for bone replacement and repair. This practice has since moved towards materials that can mimic living tissue and aid the healing process (i.e. be replaced by natural bone); thus materials ...Read more
Author:Mathe, Mahlanyane K; Mkwizu, TS; Cukrowski, IDate:Nov 2008The paper reports on the development of automated electrochemical deposition method as a synthetic strategy for fabrication of catalytically-active thin-films (or nanostructured) materials, composed of platinum Group Metals (PGMs), with ...Read more
Author:Ray, Suprakas SDate:Oct 2015A polymer nanocomposite is an advanced plastic material where the incorporation of nanostructures such as clay minerals and other nanoparticles into the polymer has been achieved on the nano-level so that the material exhibits improvements ...Read more
Author:Benadie, Y; Semete, B; Venter, L; Kalombo, Lonji; Driver, C; Jones, AT; Swai, H; Verschoor, JADate:Jun 2008The cell wall envelope of Mycobacterium tuberculosis contains unique high molecular weight lipids. Of these, the most abundant are mycolic acids, an extended family of long 2-alkyl 3-hydroxyl fatty acids, typically 70-90 carbon atoms in length, ...Read more
Author:Benadie, Y; Semete, B; Venter, L; Kalombo, Lonji; Driver, C; Jones, AT; Swai, H; Verschoor, JADate:Nov 2008The objective of this project was to explore the encapsulation of mycolic acids into vehicles other than liposomes for delivery into macrophages and addressing the challenges of low solubility. As vehicles nanoparticles (NP) have the advantage ...Read more
Author:Lesufi, M; Akinwamide, SO; Makoana, Nkutwane W; Tshabalala, Lerato C; Olubambi, PADate:Sep 2022This study investigates the microstructural, nanomechanical, and corrosion behaviour of different sections of 410 steel fabricated via directed energy deposition technique. The morphology exhibited by the longitudinal and transverse sections ...Read more