Author:Quass, FW; Coetzee, SDDate:1946Volatile determinations were carried out on nut and powdered coal samples in an electric muffle furnace.Read more
Author:Hunter, L; Cawood, MP; Dobson, DADate:Sep 1981The performance of three different types of knots (dogs, fisherman's and weavers) during the knitting of different single jersey and double jersey structures has been compared.Read more
Author:Aldrich, De VDate:Mar 1975The lint produced from both hand picked and machine picked Deltapine 826 cotton was evaluated for processing efficiency, and yarn and fabric properties.Read more
Author:Smuts, S; Hunter, LDate:Mar 1974The tensile properties (extension at break and tenacity) of mohair and kemp fibres been compared at different gauge lengths, for various Cape and Basutu mohair types.Read more
Author:Hunter, L; Smuts, SDate:Dec 1977The wrinkle recovery properties of plain and 2/2 twill lightweight all wool, different blends of wool/polyester and wool acrylic, and all-polyester and different test methods used generally gave similar trends on the de-aged fabrics, but this ...Read more
Author:Erasmus, TCDate:1973Since the conditions in the duct can vary, the data are recorded at the beginning, middle and end the sampling period for each sampling point.Read more
Author:Olivier, MariusDate:Dec 2012During the course of the CSIR’s research into the characterisation of explosive sources to devise methods of active intervention against threats, the need has arisen to research a particular means of early identification of the threat, which ...Read more
Author:Elphinstone, CD; Das, Sonali; Khuluse, SDate:Dec 2007This report is submitted as a deliverable of the SRP project Global Change Risk Analysis which aims at applying risk analysis as a unifying notion for quantifying and communicating threats to ecosystem services originating from global change ...Read more
Author:Siegfried, WR; Davies, BRDate:Sep 1982One of the main challenges facing mankind is to find answers to pressing problems attending the utilization of natural resources, while at the same time taking care not to create even greater problems in the future. In South Africa, a step ...Read more
Author:O'Keeffe, JHDate:1986The report presents the proceedings of a three-day workshop at Midmar Dam designed to establish a consensus view of river conservation and to provide professional conservationists, managers and planners with a set of guidelines. These indicate ...Read more
Author:Hall, AVDate:Nov 1984The aim of this book is to give a holistic setting to the conservation of plants and animals. Instead of concentrating on species alone, the aim is to spread the concern to the physical and biological features; including humanity that make ...Read more
Author:Jarman, MLDate:1986Natural vegetation in the lowland regions of the fynbos biome has been transformed by modern land-use practices to a patchwork of small remnants. A system is described for identifying sites of conservation merit from these known remnants, and ...Read more
Author:Wright, Jarrad G; Calitz, Joanne RDate:Feb 2021According to section 34 of the Electricity Regulation Act, 2006 (Act No 4 of 2006 NERSA is required to appropriately apply its regulatory reviews and make decisions prior to the conclusion of the determination process by the Minister of the ...Read more
Author:La Grange, CC; Beukes, PJADate:1963Formerly metallurgical coke testing in South Africa was virtually limited to the B.S shatter and abrasion tests. Due to the similarity of the two ASTM tests to the British tests there was no point of introducing the ASTM tests and they will ...Read more
Author:Sevenster, PGDate:1963The influence of moisture on the course of the oxidation or spontaneous heating of coal has been widely discussed in the literature but few authors have been drawn definite conclusions regarding the nature and extent of such an influence.Read more
Author:La Grange, CCDate:1944This report described work done at the Institute to ascertain whether South African coals could be used in the preparation of carbonaceous zeolites. The object of the present investigation was to determine whether South African coal would ...Read more
Author:Van der Walt, PJDate:1952The run-of-mine coal is to be broken in such a manner that 55% of it has a top size 1 half inches and that the ratio between top and bottom size does not exceed 5 to 1.Read more
Author:CSIRDate:2008The CSIR’s mandate is as stipulated in the Scientific Research Council Act (Act 46 of 1988, as amended by Act 71 of 1990), section 3: Objectives of CSIR. The objectives of the CSIR are, through directed and particularly multi-disciplinary ...Read more
Author:CSIRDate:Oct 2009The CSIR’s Annual Report for 2008/09 is a record of excellent achievement. Achieving such positive outcomes across all domains is a reflection of a healthy balance that exists between good science and good business at the CSIR, according to ...Read more
Author:CSIRDate:2013The CSIR, a multidisciplinary science and technology research council, meets the very highest scientific standards and harnesses science and technology in the service of national development. It is part of a concerted national effort to direct ...Read more