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Training and capacity building on the Coastal Climate Change Tool

Author: Lück-Vogel, Melanie Date: Oct 2023 This 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
Report on 3 boreholes drilled on the farms Driefontein 70 and Rolfontein 40 in the Amersfoort district and Nooitgedacht 105 in the Ermelo District of Transvaal

Author: Boshoff, HP Date: 1961 This 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
Determination of the abrasiveness of coal with the apparatus of Yancey, Geer and Price

Author: Bonapace, AC ; Du Toit, P Date: 1976 This 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
The practice of coal petrography in South Africa

Author: Moodie, B Date: 1971 This report discusses about the practice of coal petrography in South Africa. Read more
Fluorescence X-ray spectrometric analyses of coal ash

Author: Copeman, JH ; Von Wolff, WTE Date: 1968 The present study was undertaken to establish to what extent the method could be applied to analysis of coal ashes. Read more
The use of the calorimetric bomb for the determination of carbon in coal

Author: Adam, J Date: 1938 The method normally employed in determining the amount of carbon present in a combustible material is to combust in a system of oxygen. Read more
Some factors relating to the use of standard alcohol-petrol blends in motor cars

Author: Tromp, FJ Date: 1941 The 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
Studies on the interaction of oxygen with coal in the temperature range 0 degree to 9 degrees Celcius. Part I

Author: Sevenster, PG Date: 1958 The 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
Survey report No. 286 Report on 4 boreholes drilled on the farm Schuilplaats 4267 in the Dundee district of Natal

Author: Boshoff, HP Date: 1961 This 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
Survey report No. 74 Report on boreholes put down by the consolidated Marsfield colliery (Anglo-Transvaal Collieries, Ltd.) on the farms Vogelfontein 4 and Waterval 18 in the Ermelo district of the Transvaal

Author: Van der Merwe, CC Date: 1945 This 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
Survey report No. 96 Report on 12 boreholes drilled by Messrs. Sebato Investments, Ltd., on the farm Elandsfontein 8, district Witbank, in the years 1945 - 1946

Author: Savage, WHD Date: 1949 A 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
A note on the condensation reactions of methyl ethyl ketone

Author: Van Duuren, BL Date: 1951 During an investigation of the nitric acid oxidation product of coal a neutral liquid was isolated. Read more
Report on visits to Lourenco Marques in connection with the spontaneous heating of uitkyk export coal in the S.S. Amstelstad

Author: La Grange, CC ; Petrick, AJ Date: 1948 An officer of the Institute was accordingly sent to Lourenco Marques to obtain first hand information on excessive heating matter. Read more
Tests to determine the suitability of selected fuels in S.A.R. Dining saloon stoves

Author: La Grange, C.C ; Van Doornum, GAW Date: 1949 During 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
The microscopical examination of coal in reflected light

Author: Moodie, B Date: 1954 Records 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
The occurrence of germanium in South African coal and derived products

Author: Kunstman, FH ; Hamersma, JC Date: 1955 The chemical behavior of germanium has been studied extensively but its present economic value results from its physical properties. Read more
A laboratory study of the interrelationship between wool scouring efficiency and the partition of detergent during subsequent centrifuging

Author: Mozes, TE ; Van Rensburg, NJJ ; Turpie, DWF Date: Dec 1981 A 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
A laboratory process for dyeing wool with reactive dyes from a charged solvent system using a single emulsifier

Author: Botha, C ; Roberts, MB Date: Aug 1975 A relatively simple technique has been devised whereby wool may be satisfactorily dyed with reactive dyes from an aqueous charged perchloroethylene system. Read more
A comparison of the abrasion results obtained three different instruments on some woven fabrics

Author: Bird, SL Date: Dec 1984 The 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
A laboratory investigation into the possible use of acetylation for (i) The elimination of the discolouration of phenol-formaldehyde resin treated cotton fabric and (ii) The prevention of subsequent discolouration on exposure to light

Author: Horn, RE Date: Mar 1977 Samples of phenol-formaldehyde resin finished cotton fabric when acetylated were found to be less discoloured than unacetylated fabric. Read more

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