Author:Lück-Vogel, MelanieDate:Oct 2023This presentation was the baseline for about 20 training workshops to government official on coastal climate change, coastal flood and erosion risk lines and coastal management lines. These workshops were conducted between 2020 and 2023 on ...Read more
Author:Boshoff, HPDate:1961This report investigates 3 boreholes drilled on the farm Driefontein 70 and Rolfontein 40 in the Amersfoort district and Nooitgedacht 105 in the Ermelo District of Transvaal. Coal cores were used for description and sampling, taken from the ...Read more
Author:Bonapace, AC; Du Toit, PDate:1976This report aims to investigate coal in its various stages of mechanical handling during the processes of winning, preparation and utilization, and how it causes wear of the metal surfaces with which it makes contact. And presents basic ...Read more
Author:Copeman, JH; Von Wolff, WTEDate:1968The present study was undertaken to establish to what extent the method could be applied to analysis of coal ashes.Read more
Author:Adam, JDate:1938The method normally employed in determining the amount of carbon present in a combustible material is to combust in a system of oxygen.Read more
Author:Tromp, FJDate:1941The object of this paper is to examine the feasibility of making blends of alcohol with standard petrol which can be used alternatively with standard petrol in ordinary motor cars without special engine adjustments.Read more
Author:Sevenster, PGDate:1958The experimental conditions in such investigations were usually chosen to stimulate those encountered in practice and generally do not lend themselves to the study of the fundamental processes involved in the absorption of gasses and vapors ...Read more
Author:Boshoff, HPDate:1961This report provides details of four boreholes drilled on the farm Schuilplaats 4267 in the Dundee district of Natal. The data on which this report is based are contained in tables and figures at the end of the report.Read more
Author:Van der Merwe, CCDate:1945This report deals with the characteristics of the coal as revealed by both these drilling programmes, although boreholes No. 1/41, 2/41 and 3/41 were excluded from the composite samples that were made up.Read more
Author:Savage, WHDDate:1949A series of 12 boreholes was drilled by Messrs.Sebato Investments Ltd. on the north-western portion of Elandsfontein 8 district in the years 1945 and 1946.Read more
Author:La Grange, CC; Petrick, AJDate:1948An officer of the Institute was accordingly sent to Lourenco Marques to obtain first hand information on excessive heating matter.Read more
Author:La Grange, C.C; Van Doornum, GAWDate:1949During 1948 the South African Railways and Harbors Administration approached the Institute with the request for collaboration in an investigation aimed at rendering fires in dining saloon stoves smokeless while trains were in large stations ...Read more
Author:Moodie, BDate:1954Records show that the first microscopic observations were carried out on coal in the year 1830 by Lindley. The apparatus he used was crude and his work was mostly confined to the examination of fossilized leaves found in certain coals.Read more
Author:Kunstman, FH; Hamersma, JCDate:1955The chemical behavior of germanium has been studied extensively but its present economic value results from its physical properties.Read more
Author:Mozes, TE; Van Rensburg, NJJ; Turpie, DWFDate:Dec 1981A laboratory study of the use of twenty nonionic detergents for scouring of raw wool showed that scouring efficiency decreased with an increase in the detergent partition coefficient obtained by centrifuging of artificial creams prepared with ...Read more
Author:Botha, C; Roberts, MBDate:Aug 1975A relatively simple technique has been devised whereby wool may be satisfactorily dyed with reactive dyes from an aqueous charged perchloroethylene system.Read more
Author:Bird, SLDate:Dec 1984The Stoll (flex), Martindale and Accelerator abrasion results of 64 plain and twill weave fabrics of differing fibre content and fabric mass were determined and compared.Read more
Author:Horn, REDate:Mar 1977Samples of phenol-formaldehyde resin finished cotton fabric when acetylated were found to be less discoloured than unacetylated fabric.Read more