Author:Braune, E; Rogers, KHDate:1987A Symposium Proceedings containing the views of many specialists has already been published as an occasional Report by the Foundation for Research Development. This document contains an overview of the deliberations which occurred during a ...Read more
Author:Braune, E; Roger, KHDate:1987The vaal river catchments contains South African's economic heartland, the Pretoria -Witwatersrand-Vereeniging (PWV) complex. Although the catchments only produces eight per cent of the mean annual runoff of the country it has highest ...Read more
Author:Savage, WHD; Kunstmann, FH; Harris, JFDate:1968Some of the possible variables in ashing were considered in determining the effects pf (A) depth of layer of coal and (B) SO2 passing over ashes and different rates of heating.Read more
Author:Sinclair, SA; Lane, SB; Grindley, JRDate:Dec 1986In this report available historical information on the Verlorenvlei Estuaries is presented. Verlorenvlei and its environs form a unique natural assts which should be conserved for the use and enjoyment of the generations. There are few areas ...Read more
Author:Von Staden, R; Roux, KDate:Oct 2009The Meraka Institute, together with its partners, have undertaken an ambitious task to provide broadband connectivity to under-served areas of South Africa through a community centric model, as opposed to a typical national telco-driven odel. ...Read more
Author:De Saxe, Christopher CDate:Sep 2018Articulated Heavy Goods Vehicles (HGVs) are more efficient than conventional rigid lorries, but exhibit reduced low-speed manoeuvrability and high-speed stability. Technologies such as autonomous reversing and path-following trailer steering ...Read more
Author:Burke, Michael GDate:Mar 2011This thesis presents work completed on the design of control and vision components for use in a monocular vision-based human-following robot. The use of vision in a controller feedback loop is referred to as vision-based or visual servo ...Read more
Author:La Grange, CC; Wolmarans, JJDate:1950According to information given by the Manager at navigation Colliery in May 1950, the mining height in the No. 5 seam is about 6 feet at the top of this consist of inferior material and is loaded into separate, specially marked tubs underground ...Read more
Author:La Grange, CC; Wolmarans, JJDate:1950A bulk face sample (no. T124) of approximately 1 ton was taken on 12/4/1950 from the No. 5 seam, South African Witbank colliery at a point about 70 east of a point 100 south of peg 104. The seam here was about 69'' thick.Read more
Author:La Grange, CC; Wolmarans, JJDate:1950This report details how coal from the No. 5 seam in the Witbank colliery was tested for washability and related characteristics.Read more
Author:Nkuna, ZWDate:May 2012In South Africa water is regarded as constitutional right and government has therefore put measures in place to ensure that everyone has access to at least a basic level of water service. In terms of the Millennium Development Goals (MDGs) ...Read more
Author:Lusher, JADate:Dec 1984Water quality criteria reflecting the needs of the South African coastal zone are presented for beneficial uses encompassing maintenance of ecosystems, recreation, ocean migration, edible and non-edible resources, desalination, mineral ...Read more
Author:Netterberg, F; Paige-Green, PhilDate:Jul 1988The requirements of and some specifications for wearing courses for unpaved roads are reviewed. It is concluded that further development of specifications is required, and that there is probably great scope for improvement of our unpaved roads ...Read more
Author:Van Doornum, GAW; Van Eeden, GSDate:1962During 1959 it was observed that anthracite stored at the Bluff, Durban, discolored apparently while awaiting shipment.Read more
Author:Savage, WHDDate:1951The object of the investigation was to study the effect of weathering by exposure to the open air on the coking and chemical properties of the coal.Read more
Author:Heinecken, TJEDate:Aug 1985In this report available historical information on Wildevoelvlei or Noordhoek estuary and abiotic and biotic characteristics found in the estuary are presented. It also describes a system in which there is no major river feeding an estuary. ...Read more
Author:Stafford, William HL; De Lange, Willem JDate:May 2018The overall aim of this project is to develop a pre-feasibility guideline that can be used as an opportunity analysis for the FTTP industry. The guideline will focus on two major waste streams generated by the sector viz. sawdust and sludge. ...Read more
Author:Van der Merwe, JPDate:Mar 1984Pure wool yarns may be produced on either the woollen or worsted system of manufacture. To the uniformed both will be described as woollen yarns. A distinction must, however, be made between end products produced from either woollen spun yarns ...Read more
Author:Jonker Klunne, W; Michael, EDate:2013The East African region comprises 20 countries, 14 of which use small hydropower at various degrees. The East African Power Pool (EAPP) plays an important role in the future of energy within the region. One of the main objectives of EAPP is ...Read more
Author:Jonker Klunne, WDate:2013Lesotho does not have any known indigenous sources of oil, coal or natural gas. About three quarters of its total energy demand is met by biomass fuels in the forms of wood, shrubs, animals manure and agricultural residues. The only other ...Read more