Author:Van der Merwe, JPDate:Feb 1986Sixty-eight wool blends were processed on the woollen system and were assessed for spinnability by means of a Mean Spindle Speed at Break test. Spinnability improved as mean fibre length increased but deteriorated as mean fibre length increased ...Read more
Author:Van der Merwe, JPDate:Apr 1986The effect of fibre diameter, length and resistance to compression on woollen carding performance was investigated.Read more
Author:Ellis, R; Robinson, GA; Marsland, SGDate:Jan 1977Relatively fine wrapped core-spun mohair yarns were produced on the Repco spinner and uptwisted with very few turns per metre to retain the natural lustre of the mohair fibres.Read more
Author:De Beer, MorrisDate:May 2014Precipitated calcium carbonate is a material of great interest due to its large range of applications. Although there are extensive reserves of limestone worldwide, very few deposits are of sufficient quality to provide raw materials for ...Read more
Author:Kuhn, AHDate:1974At the Coal Preparation Pilot Plant of the FRI of South Africa the outdated Barvoys Bath separator was replaced by a Tromp Static Bath dense-medium separator.Read more
Author:Roux, Michael P; Kemp, Mauritz JDate:Nov 2008TRH 11 was first published in 1974 and since then there have been seven revisions. The seventh revision was published in March 2000 as a draft. The existing draft document TRH 11 (2000) is currently being used by all nine provinces as a basis ...Read more
Author:Davel, MHDate:Aug 2005Bootstrapping techniques have the potential to accelerate the development of language technology resources. This is of specific importance in the developing world where language technology resources are scarce and linguistic diversity is high. ...Read more
Author:Shiloh, M; Kruger, PJ; Slinger, RIDate:Oct 1972Mechanical properties of fabrics from wool and multi-filament nylon core yarns were measured and compared with other fabrics.Read more
Author:Pertrick, AJDate:1965During 1958, the FRI board, after a review of the whole position of fuel research, resolved that instead of dissipating the Institutes limited resources in an effort to cover too wide a range of subjects within the terms of reference of the ...Read more
Author:Kempster, PL; Smith, RDate:1985Using existing criteria from other countries, in conjunction with data on element toxicities and normal dietary intakes, drinking-water criteria for 56 aesthetic/physical and inorganic chemical determinants were proposed for South Africa.Read more
Author:Van der Walt, PJDate:1958On completion of the plant, all units were tested from a mechanical point of view and all apparent defects were made good. The plant was then painted ad was not operated again until after the official opening.Read more
Author:Jones, DJ; Paige-Green, PDate:Mar 2004This document describes a protocol for establishment and operation of long-term pavement performance (LTPP) sections, including those linked to HVS tests. This is detailed under the following headings: Linking LTPP to HVS data collection; ...Read more
Author:Jones, DJ; Paige-Green, PDate:Mar 2003This document describes a protocol for establishment and operation of long-term pavement performance (LTPP) sections, including those linked to HVS tests. This detailed under the following headings:
Linking LTPP to HVS data collection, ...Read more
Author:Jones, DJ; Paige-Green, PDate:Feb 2003This inception report assesses local and international experience on the development of a protocol for the establishment and operation of Long Term Pavement performance (LTPP) sections in conjunction with Accelerated Pavement Testing (APT). ...Read more
Author:Chipangura, B; Van Biljon, J; Botha, AdèleDate:Oct 2014In South Africa, the potential of mobile phones as tools that facilitates inclusive information access and interaction at Higher Educational Institutions (HEIs)has not been fully realized. A number of factors could be attributed to the slow ...Read more
Author:Bredell, GAG; Strydom, NBDate:Feb 1966The report of the number of labourers working under conditions of high wet bulb temperatures has increased over the past ten years, and consequently, the need for acclimatizing labourers is greater than ever. The introduction of a method for ...Read more
Author:Naidoo, SashaDate:Mar 2011This research aimed to quantify and model the effects of specific environmental variables on the wood quality of Eucalyptus grandis in the warm temperate (WT) and sub-tropical (ST) forestry regions in South Africa using nondestructive, rapid ...Read more
Author:Le Roux, AlizeDate:Aug 2012Land use policies have a definite and lasting impact on the way that cities grow, however, the change in land use only gets observed many years later. As such, it is difficult for policy and decision makers to observe and quantify the ...Read more