Author:Aramide, B; Pityana, Sisa L; Sadiku, R; Jamiru, T; Popoola, PDate:Jun 2021Farming tools are often exposed to high wear rate in dry agricultural land areas. This makes the farming activity to have problems of recurrent labour, idle time, and the extra expenses in replacing the damaged implements like ploughshares. ...Read more
Author:Naidoo, Darryl; Litvin, Ihar; Forbes, ADate:Feb 2017We investigate the selection of a flat-top beam and a Gaussian beam inside a laser cavity on opposing mirrors. The concept is tested external to the laser cavity in a single pass and double pass regime where the latter mimics a single round ...Read more
Author:Biermann, SM; Van Ryneveld, MDate:Jul 2007This finding suggests the need for a range of different housing typologies, with 'higher cost / higher potential benefit' housing typologies on scarce well-located land allocated to those with the best chance of exploiting those potential ...Read more
Author:Moodley, SS; Van der Berg, W; Veldman, CSDate:Apr 2003The CSIR - NML (Council for Scientific and Industrial Research, National Metrology Laboratory) of South Africa, manufactured a 10-pF ultra-low expansion quartz capacitors in the early 1970s. Although the capacitors were extremely stable and ...Read more
Author:Lekoadi, Paul M; Tlotleng, Monnamme; Maledi, N; Masina, Bathusile NDate:Nov 2019Selective laser melting (SLM) is a powder bed additive manufacturing technique that produces components layerby-layer from computer aided designs as opposed to conventional manufacturing methods. Although this manufacturing technique offers ...Read more
Author:Haelterman, R; Bogaers, Alfred EJ; Uekermann, B; Scheufele, K; Mehl, MDate:Jul 2016The Quasi-Newton Inverse Least Squares method has become a popular method to solve partitioned interaction problems. Its performance can be enhanced by using information from previous time-steps if care is taken of the possible ill-conditioning ...Read more
Author:Adedeji, K; Hamam, Y; Abe, B; Abu-Mahfouz, Adnan MIDate:Sep 2016Recent advances in technologies has led to the use of wireless communication networks for the transmission of information. However, the broadcast nature of wireless channels has made it vulnerable to attacks. In this paper, we present work ...Read more
Author:Mashiri, M; Maunder, D; Venter, C; Lakra, A; Bogopane-Zulu, H; Zukulu, R; Buiten, D; Boonzaier, DDate:Apr 2005While transport is a significant enabler of sustaining livelihoods among poor communities, it is clearly also increasingly deemed important to deliver the benefits of greater inclusion of persons with disabilities into society, enabling them ...Read more
Author:Landman, WA; Mason, SJDate:Nov 2012Investigation into the predictability of seasonal climate extremes such as droughts and flood seasons provide insight into the limits of predictability of the ocean-land-atmosphere system. However, expressions on what the future may hold ...Read more
Author:Nordengen, Paul ADate:May 2010In most countries throughout the world, heavy vehicle use on the road network is controlled predominantly by prescriptive regulations. These regulations, in many cases, differ significantly from one country to another. Efforts in various parts ...Read more
Author:Marais, JM; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Dec 2022The scalability of long-range wide area networks (LoRaWANs) is known to be very sensitive to the presence of traffic from gateways (GWs) to end devices (downlink (DL) traffic). The protocol supports confirmed traffic, for which DL traffic is ...Read more
Author:Jonker Klunne, WJDate:31 Aug 2010Although small hydropower projects have been implemented in several countries on the continent, information on the current state of affairs is scattered, incomplete and sometimes even inconsistent. To a limited extent information is available ...Read more
Author:Gledhill, Irvy MA; Butcher, GDate:Aug 2014Research has shown that companies with more diversity and a better workplace perform better. So what makes a good workplace in physics, where women and men can work to their full potential? In the Improving the Workplace Environment workshop ...Read more
Author:Mashiri, M; Chakwizira, J; Mahapa, SDate:Aug 2010This paper presents findings of a study to investigate the advisability and feasibility of establishing a transport authority (TA) in the Capricorn District Municipality (CDM) with a view to strengthening transport service delivery in the ...Read more
Author:Meyer, CFDate:Nov 1993The aim of this project was to establish the needs of the industry with regard to bord and pillar ventilation requirements. In addition, the aim was to establish whether sufficient research has already been done by the mining industry and if ...Read more
Author:Godfrey, Linda K; Scott, DDate:May 2011Piloting of the South African Waste Information System (SAWIS) provided an opportunity to research whether the collection of data for a national waste information system could, through a process of learning, change the way that waste is managed ...Read more
Author:Ojijo, Vincent O; Sadiku, ERDate:Jun 2017This chapter discusses the strategies employed in enhancing the wear performance of polyethylene (PE) and polypropylene (PP). A brief overview of the polyolefins, their structure, and tribological characteristics and applications is presented. ...Read more
Author:Landman, WA; Marx, E; Park, R; Landman, S; Lazenby, MDate:Oct 2011Whilst climate change projections are suggesting an increase in temperature extremes over southern Africa, these extremes are not expected to happen every day or even every summer. Operational weather and seasonal forecasts can indicate whether ...Read more
Author:Gqola, PDDate:Aug 2006The only second lesbian conference in South Africa, and the first that brings together so many people from the LGBTi community. When women make history do not usually consciously reflect on this as what women are doing. Our foremothers did ...Read more