Author:Hunter, LawranceDate:1993Mohair remains one of the most important speciality animal fibres, finding application in a wide range of textile end-uses, notably apparel and household textiles. Although a great deal of published information exists on mohair, much of the ...Read more
Author:Petrick, AJDate:1969After dealing briefly with relevant physical and chemical properties of coal, the mechanism of adsorption of moisture is discussed.Read more
Author:Mentis, MTDate:Dec 1984The main purpose of this document is to propose how ecological monitoring might be developed in the Grassland Biome of South Africa. Monitoring is defined as the maintenance of regular surveillance to test the null hypothesis of no change in ...Read more
Author:Loedolff, C.JDate:20 Jan 2011The use of oxidation pounds (or sewage lagoons) by small communities as a system of sewage purification has been provisionally accepted in Southern Africa for many reason, the most important being the low cost when compared with the conventional ...Read more
Author:Wiseman, KA; Burns, MER; Vernon, CJDate:Mar 1993This report is a synthesis of the recent research findings and available knowledge pertaining to the Nahoon, Qinira and qunube estuarine systems in the East London area. It provides the different groups and individuals involved with the ...Read more
Author:Roux, SPDate:Nov 2008Nanotechnology research and development is rapidly expanding into a full-scale industry that includes building materials, automotive parts, sports equipment and consumer products. This technology promises significant technological advantages, ...Read more
Author:SACUGSDate:Jun 1981This report contains an outline of the research proposed for the National Geoscience Programme which has as its main theme the study of the processes of ore formation in the earth's crust. Research will focus on the development of conceptual ...Read more
Author:Schermers, G; Theyse, MDate:Mar 1998This document serves as a comprehensive national traffic calming guideline, compiled to assist traffic engineering practitioners and road authorities with the implementation of traffic calming. It outlines the different objectives of traffic ...Read more
Author:Louw, CWDate:Dec 1984This report reviews the activities of the National Programme for Weather, Climate and Atmosphere Research (NPWCAR) for 1984/85, highlights the findings and also discusses future developments and general needs regarding research within the ...Read more
Author:Cooper, Antony K; van Rooyen, MH; Clarke, DG; Liebenberg, ECDate:Sep 1987Geographically referenced (geo-referenced) information consists of all information that refers to the man-environment system and that can be localized in space and time. The basic entity of geo-referenced information is the feature, which has ...Read more
Author:Van Duuren, BLDate:1951A graphical statistical method of representation of reaction mechanisms and products, developed by Van Krevelen has been used in the interpretation of the reactions of the nitrochumic acids from coal oxidation.Read more
Author:Shuttleworth, RGDate:1950The combustion of carbonaceous fuels is now recognized as occurring by means of both a heterogeneous reaction and a homogenous reaction.Read more
Author:Sevenster, PG; Geldenhuis, CJDate:1964The purpose of this investigation was to assess the suitability of a simple strength test in the study of the effects if climatic conditions on the breaking characteristics of South African coals.Read more
Author:Meyering, MC; Fourie, PJ; Sevenster, PGDate:1969The initial event in a coal dust explosion is the creation of a localized air blast, which is generally caused by a methane explosion.Read more
Author:Joubert, FEDate:1967Some years ago preliminary work was undertaken to develop a device by means of which the methane pressure in a coal seam could be measured. During the past year this work was again taken up and developed to a stage where actual measurements ...Read more
Author:Van der Walt, PJDate:1956It is well known that there is a shortage of coking coal in South Africa, and that methods of producing suitable coking suitable coking coal from sources hitherto considered unsuitable, is receiving considerable attention. The pilot plant ...Read more
Author:Horn, REDate:Oct 1976A method is described by which cotton fabric is treated with phenolicformaldehyde resins and then dyed by immersion in solutions of stabilized salts which couple to the resins.Read more
Author:La Grange, CCDate:1957Subsequent to the issue of this Institutes Technical Memorandum No. 10 of 1955 the results of additional investigations carried out at the Institute on No. Seam coal taken in the ventilation shaft, about 4500ft north- north-east of Springbok ...Read more
Author:Huntley, BJDate:Mar 1978A description of the objectives, organization and research programme of the Savanna Ecosystem Project being undertaken at Nylsvley in the northern Transvaal is presented. The project is a cooperative multi-disciplinary study of the structure ...Read more