Author:Hunter, L; Van der Merwe, JP; Brydon, AGDate:Aug 1978The Mean Spindle Speed at Break (MSS) test was developed at SAWTRI for assessing the spinning potential of wool on worsted ring spinning machines.Read more
Author:Galuszynski, SDate:Apr 1985The effect of stitch length, pressure of presser foot, fabric structure and needle diameter on Fabric Resistance to Needle Piercing (FRNP) during the sewing operation, both with and without sewing thread, was investigated.Read more
Author:Oyeniyi, AA; Ouahada, K; Abu-Mahfouz, Adnan MI; Rimer, S; Alimi, KODate:Sep 2021The increasing integration of advanced information and communication tools in industrial control systems (ICS) has vastly increased the vulnerabilities and threats of intrusions into the various critical infrastructures which include the water ...Read more
Author:Nair, Kishor K; Helberg, Albert; Van der Merwe, Johannes JDate:23 Nov 2015Bluetooth plays a major role in expanding global spread of wireless technology. This predominantly happens through Bluetooth enabled mobile phones, which cover almost 60% of the Bluetooth market. Although Bluetooth mobile phones are equipped ...Read more
Author:Mabunda, N; Ramotsoela, DT; Abu-Mahfouz, Adnan MIDate:Dec 2022Water distribution systems/networks (WDS/WDN) use complex pipe networks to distribute water from reservoirs, tanks and rivers to consumers. Over the years, the water industry has deployed SCADA (Supervisory Control and Data Acquisition) systems ...Read more
Author:Mabunda, HD; Ramotsoela, DT; Abu-Mahfouz, Adnan MIDate:Jun 2022Water distribution systems (WDS) are designed to supply potable water to businesses, industries and people in any area or location. Cyber-Physical systems (CPS) are used in water distribution systems and come with aided benefits, however, ...Read more
Author:Brown, CJ; Macdonald, IAW; Brown, SEDate:1985The greatest threat of invasion of alien species of plants and animals is posed by species which originate from similar arid habitats in other parts of the world. In general the smaller the number of individuals of an alien species introduced ...Read more
Author:Van Wilgen, BW; Nel, JL; Rouget, MDate:2007Parallel initiatives in South Africa have been addressing the prioritisation and management of invasive alien plant species, the prioritisation of rivers for the conservation of biodiversity, and broad-scale planning for water resource ...Read more
Author:Gorgens, AHM; Van Wilgen, BWDate:Jan 2004Predictions that invasive alien Plants would use significant amounts of water were a major factor in the establishment of South Africa's Working for Water programme, which aims to protect water resources by clearing these plants. The predictions ...Read more
Author:Richardson, DM; Van Wilgen, BWDate:Jan 2004This paper examines the evidence for the effects of invasive alien plants in natural and semi-natural ecosystems in South Africa. Invasive alien plants are concentrated in the Western Cape, along the eastern seaboard, and into the eastern ...Read more
Author:Macdonald, IAW; Jarman, MLDate:1985This report consists of two types of chapters. Most of the chapters are short syntheses of particular aspects of the alien plant problem in Natal, written by groups of participants during the workshop meeting. They are brief accounts of the ...Read more
Author:Le Maitre, David C; Van Wilgen, BW; Gelderblom, CM; Bailey, C; Chapman, RA; Nel, JADate:01 May 2002Invasive alien plants are consumptive water-users, and may have reduced river flows in South Africa by about 6.7% according to a broad-scale study. An effective programme to bring the invasions under control would cost about US$ 92 million ...Read more
Author:Boucher, C; McDonald, AEDate:Sep 1982A comprehensive list of plant communities described by various authors within the Fynbos Biome geographic area is given. The list is divided into two sections. Section I consists of plant communities described over a wide geographical area. ...Read more
Author:McDonald, Andre M; Van Wyk, M; Chen, GDate:Aug 2021The inverse Frobenius-Perron problem (IFPP) is a collective term for a family of problems that requires the construction of an ergodic dynamical system model with prescribed statistical characteristics. Solutions to this problem draw upon ...Read more
Author:Bogaers, Alfred EJ; Kok, S; Reddy, BD; Fran, TDate:Jul 2012In this paper we investigate the invertability of a branching 1D arterial blood flow network. We limit our investigation to a single bifurcating vessel, where the material properties, unloaded areas and variables characterizing the input and ...Read more
Author:Rushworth, AM; Talbot, CF; Von Glehn, FH; Lomas, RMDate:Mar 1999Transport and tramming accidents on coal mines in South Africa are a major component in the overall pattern of colliery accidents. Furthermore, there is now a widespread acceptance that human error is a common cause of failure in accident ...Read more
Author:Franz, RM; Ashworth, SGE; Mthombeni, ISDate:Apr 1998This report presents findings of interest to management, safety and environmental control personnel at mine level, as well as employee representative organizations and individuals at group level concerned with the safety and environmental ...Read more
Author:Kakande, JN; Ferguson, KL; Dlodlo, ME; De Jager, GDate:Sep 2011Optimization of bandwidth usage for video streaming is of paramount importance in networks where low bitrate links are typical. Among the solutions proposed to address this problem is header compression. Real-Time Transport Protocol (RTP) and ...Read more
Author:Matyila, NA; Malete, GDate:Mar 2008The emphasis on the shortage of Built Environment Professionals (BEPs) in South Africa requires an understanding how data is captured to quantify and qualify perceived skills shortages. The need to verify whether data capturing methods are ...Read more