Author:Luo, H; Vaivars, G; Mathe, Mahlanyane KDate:Aug 2010In this paper, the proton exchange membrane prepared by covalent-ionically crosslinking water soluble sulfonated-sulfinated poly(oxa-p-phenylene-3,3-phthalido-pphenylene- oxa-p-phenylene-oxy-phenylene) (SsPEEK-WC) is reported. Compared with ...Read more
Author:Luo, H; Vaivars, G; Modibedi, Remegia M; Mathe, Mahlanyane KDate:May 2009The proton exchange membrane was prepared by covalent cross-linking sulfonated-sulfinated polyetheretherketone. The cross-linked membrane showed high proton conductivity (0.04 S/cm) with suitable water uptake, low methanol permeability (2.21 ...Read more
Author:Ntshabele, K; Isong, B; Abu-Mahfouz, Adnan MIDate:May 2021Low Power Wide Area Network (LPWAN) is a network technology that emanated from the swift advancement of the Internet of Things (IoT) market. It is characterized by low cost, long-range communications, low power consumptions, and better area ...Read more
Author:Phelp, D; Tulsi, K; Abdulla Al Masaood, HE; Eissa, MDate:Feb 2012During cyclone Gonu, a category 5 storm, which impacted the east coast of Oman in June 2007, a number of small craft harbours were severly damaged. Most of the breakwater structures were armoured with various sizes of rock protection. The Al ...Read more
Author:Napier, JALDate:Sep 2002The numerical solution of problems relating to crack fracture and failure can be accomplished using the displacement discontinuity boundary element method. This paper presents an extension to the normal formulation of this method to enable ...Read more
Author:Molobi, E; Sacks, N; Theron, MarithaDate:Apr 2022Laser engineered net shaping of a WC-10wt%FeCr cemented carbide showed cracking during deposition despite using a full factorial design of experiments matrix along with single and multiple objective optimization models to establish an optimal ...Read more
Author:Dumani, Nozonke; Mapiravana, JosephDate:Jan 2024The manufacturing of cement contributes to approximately 5-7% of global anthropogenic carbon dioxide emissions, necessitating the need for reducing the environmental impact. Limestone Calcined Clay Cement (LC3) has emerged as a promising ...Read more
Author:Maasdorp, FDV; Nadjiasngar, R; Inggs, MRDate:Oct 2014This paper investigates the theoretical placement of receivers in an Commensal Radar (CR), Doppler only tracking system with a single transmitter multiple receiver configuration. Theory, based on the Fisher Information matrix (FIM), is developed ...Read more
Author:Jermy, R; De Villiers, JDate:Nov 2015be
This paper presents two datasets for the purpose of calibrating, evaluating the calibration accuracy, and evaluating stereo vision accuracy of a pair of cameras. The authors provide a baseline that can be used as an initial comparison. ...Read more
Author:Le Roux, Alize; Khuluse, S; Naude, AJSDate:Aug 2015The core objective of this study was to create a social vulnerability map based on generally accepted variables that are indicative of drivers of social vulnerability, capturing the unique attributes of South African communities. The paper ...Read more
Author:Pandarum, Aradhna; Mbam, VuyoDate:Sep 2023South Africa (SA) is the 12th largest greenhouse gas (GHG) emitter in the world. Furthermore, the country has pledged to transition away from a carbon insensitive economy within the Conference of Parties (COP) thus highlighting the need to ...Read more
Author:Le Roux, Alize; Cooper, Antony K; Ludick, Chantel J; Arnold, Kathryn A; Mans, Gerbrand GDate:Jun 2021This chapter presents the "COVID-19 Vulnerability Dashboard" for South Africa, developed by the CSIR for the National Disaster Management Centre (NDMC). It maps vulnerability to COVID-19 for the whole of South Africa, down to the level of the ...Read more
Author:Tulsi, KDate:Oct 2015This presentation looks at ways to create safer coastal and port infrastructure. It investigates methods such as numerical and physical modelling as ways to achieve this.Read more
Author:Price, M; Green, J; Dickens, JDate:Nov 2011A method for generating 3D maps of mines with thermal imaging texture from a robotic platform is presented. The objective is to use these models to generate risk maps that can be used to assess mine safety. Analysis will take place offline, ...Read more
Author:Sekoai, Patrick T; Chunilall, Viren; Ezeokoli, ODate:Jun 2023As a response to the environmental and societal issues that emanate from the high reliance on fossil fuels, the world is now transitioning toward a circular bioeconomy. Acidogenic biohydrogen production is envisaged as a clean fuel of the ...Read more
Author:Forbes, A; Dudley, Angela L; McLaren, MDate:Jun 2016Modal decomposition of light has been known for a long time, applied mostly to pattern recognition. With the commercialization of liquid-crystal devices, digital holography as an enabling tool has become accessible to all, and with it all-digital ...Read more
Author:Barros, E; Nelson, SWDate:Jun 2010The aim of this study was to use conventional breeding to increase the production in maize of the human monoclonal antibody 2G12, known to have potential therapeutic properties in the prevention of HIV-1 transmission. The recombinant antibody, ...Read more