Author:Cawood, MP; Robinson, GA; Dobson, DADate:Jun 1976Those knitting variables which are considered critical in the knitting of fine staple yarns on a single jersey circular machine have been investigated in terms of knitting performance.Read more
Author:Hunter, L; Cawood, M; Dobson, DADate:Jul 1975One of the aims of this investigation was to determine in which particular course a yarn break occurred; different coloured yarns were used at the various feeders.Read more
Author:Hunter, L; Strydom, MADate:Sep 1983A preliminary study, covering five wool lots, has been carried out to establish the effect of limited changes in either fibre diameter or fibre length on the spinning performance and properties of Sirospun yarns.Read more
Author:Raab, GADate:1974A knowledge of size distribution of the coal produced is of obvious interest to the coal industry and suppliers of mining and coal preparation equipment.Read more
Author:Raab, GADate:1972At Tweefontein United Collieries Limited, coal is won from No. 2 and No. 4 seams. The coal is hand-loaded underground into tube and arrives at the tipplers via the Western shaft and the Klipplaat shaft.Read more
Author:Raab, GADate:1973Anthracite mined from four sections of the seam and hand-loaded into tubs arrives at the surface via the haulage adit. The total discard amounts to approximately 23 to 24 per cent, 3 to 4 per cent of which arrives from the picking belt. leaving ...Read more
Author:Van der Walt, PJDate:1956In South African, coal is generally screened into the nominal commercial sizes such as rounds, cobbles, nuts, peas and duff.Read more
Author:Layton, L; Robinson, GADate:Jul 1978Short staple wools were blended with cotton and spun into singles yarns on both the ring and rotor system.Read more
Author:Layton, L; Robinson, GADate:Nov 1977An attempt to find a suitable size formulation for the weaving of all-wool singles yarns is described.Read more
Author:Layton, L; Robinson, GADate:May 1978An investigation into the processing and sizing of singles wool blend yarns showed that a relatively short wool can be blended with cotton and short staple polyester fibres and satisfactorily processed into fabric.Read more
Author:Gee, EDate:Aug 1977The mean and standard deviation are useful descriptions of fibre diameter and length distributions but are not necessarily of high accuracy.Read more
Author:Van Doornum, G.A.W; Van Doornum, GAWDate:1965It is one of purposes of this memorandum to refute this notion, although it must conceded that the results observed in practice seem to support this contention.Read more
Author:Clarke, JDate:2000This paper is a review and analysis of the experiences with FSC certification auditing in South Africa over the past three years. The author was contracted as a “social specialist” by SGS-Forestry for 4 Main Assessments (all except one were ...Read more
Author:Broich, RDate:Dec 2013Current radar signal processor architectures lack either performance or flexibility in terms of ease of modification and large design time overheads. Combinations of processors and FPGAs are typically hard-wired together into a precisely timed ...Read more
Author:Noble, RGDate:Jun 1976The importance of solid wastes management in environmental pollution control cannot be over-emphasised. Increased socio-economic development in South Africa has brought with it increasing volumes of urban, industrial and agricultural wastes, ...Read more
Author:Meissner, HD; Mclver, BADate:Aug 1974A method is described for dyeing wool with reactive dyes from perchloroethylene utilizing the solvent soluble complex of the dye and a surface-active agent of opposite charge.Read more
Author:Strydom, MADate:May 1974A laboratory method for dyeing basic dyeable acrylic fibres from a "charged" perchhloroethylene dyebath is described.Read more
Author:Barkenhuysen, FA; Van Rensburg, NJJDate:Oct 1982Some chemical properties of various South African cotton cultivars, and their response to mercerising treatments were determined.Read more