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:Mambo, Julia; Murambadoro, Miriam DDate:Dec 2017South Africa, like the rest of Africa, is considered highly vulnerable to climate change and variability as well as to global change. Climate change is and will continue to be an issue of concern in the development of the country. South Africa ...Read more
Author:Strydom, WF; Oelofse, Suzanna HH; John, J; Afrika, ME; Mvuma, GGDate:Feb 2012This document aims to cover good practices in each of the stages of waste management, from the point of collection through transport, storage, and treatment to final disposal.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:Adekunle, AS; Ozoemena, KI; Agboola, BODate:May 2013Supercapacitive properties of synthesised metal oxides nanoparticles (MO where M = Ni, Co, Fe) integrated with multi-wall carbon nanotubes (MWCNT) on basal plane pyrolytic graphite electrode (BPPGE) were investigated. Successful modification ...Read more
Author:Smith, Andrew CDate:Sep 2010In this article the author discusses how culture’s dependence on technology has arguably complicated his blind uncle's experience of the disability—and questions whether we can turn that around and use all that we’ve learned to make technology ...Read more
Author:Gcebe, N; Rutten, VPMG; Gey van Pittius, N; Naicker, Brendon; Michel, ALDate:Mar 2018Some species of non-tuberculous mycobacteria (NTM) have been reported to be opportunistic pathogens of animals and humans. Recently there has been an upsurge in the number of cases of NTM infections, such that some NTM species are now recognized ...Read more
Author:Gcebe, N; Rutten, V; Gey van Pittius, N; Naicker, Brendon; Michel, ADate:Apr 2017Non-tuberculous mycobacteria (NTM) are ubiquitous in the environment, and an increasing number of NTM species have been isolated and characterized from both humans and animals, highlighting the zoonotic potential of these bacteria. Host ...Read more
Author:Stoev, SD; Dutton, MF; Njobeh, PB; Mosonik, JS; Steenkamp, PADate:2009Spontaneous nephropathy in Bulgaria, which is observed frequently during meat inspection and which differs morphologically from the classical description of mycotoxic porcine/chicken nephropathy as made in Denmark, was found to have a ...Read more
Author:Cele, NP; Ray, Suprakas S; Sikhwivhilu, LDate:2012Nafion-based nanocomposite membranes containing various amounts of titania nanotubes (TNTs) as an inorganic filler have been prepared using melt-mixing method and have been investigated for proton exchange membrane applications. The one-dimensional ...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