Author:Galuszynski, SDate:Apr 1985The effect of stitch length, pressure of presser foot, fabric structure and needle diameter on Fabric Resistance to Needle Piercing (FRNP) during the sewing operation, both with and without sewing thread, was investigated.Read more
Author:Brown, CJ; Macdonald, IAW; Brown, SEDate:1985The greatest threat of invasion of alien species of plants and animals is posed by species which originate from similar arid habitats in other parts of the world. In general the smaller the number of individuals of an alien species introduced ...Read more
Author:Macdonald, IAW; Jarman, MLDate:1985This report consists of two types of chapters. Most of the chapters are short syntheses of particular aspects of the alien plant problem in Natal, written by groups of participants during the workshop meeting. They are brief accounts of the ...Read more
Author:Boucher, C; McDonald, AEDate:Sep 1982A comprehensive list of plant communities described by various authors within the Fynbos Biome geographic area is given. The list is divided into two sections. Section I consists of plant communities described over a wide geographical area. ...Read more
Author:Focke, RWDate:Feb 2015The findings presented in this thesis support the hypothesis that Interval Algebra (IA), as a temporal reasoning language, should perform scheduling of sensor dwells efficiently and effectively. Scheduling of multistatic radars was identified ...Read more
Author:Clark, D; Darazas, MDate:1978During the investigation, three methods of preheating the green coal in the guillotine door area of the stoker have been tried. One of these has proved successful. In addition, a series of preliminary laboratory tests have been carried out ...Read more
Author:Erasmus, TCDate:1972The present study is confined to investigation of the ignition phase of the combustion process and deductions must be seen in that light.Read more
Author:Copeman, JH; Von Wolff, WTEDate:1965Because of the effect of inorganic impurities on the utilization of coal, it was decided to carry out a survey on the minerals present in production samples from different mines.Read more
Author:La Grange, CCDate:1965The purpose of this investigation was in the firs instance to determine what yields of low ash products could be expected from the duffs, such products to be suitable.Read more
Author:Pandelani, Thanyani ADate:Jun 2014In this study, the responses of the HIII and MiL-Lx surrogate legs were evaluated at several blast loading conditions using the Modified Lower Limb Impactor. The impact tests were conducted using a lower limb impactor with the leg mounted ...Read more
Author:Mametja, MBDate:Nov 2008FT-IR and FT-Raman spectra of 1,1,1-trichlorethane (CH3CCl3) were recorded in the regions 400 – 3500 cm-1 and 200 – 3500 cm-1 respectively. The observed vibrational numbers were analysed and assigned to different normal modes of vibration of ...Read more
Author:Blitz, JG; Uys, JM; Petrick, AJDate:1950The introduction of oil mixtures for impregnating timber in which penta-chloro-phenol is the active medium and kerosene the major vehicle component caused some apprehensive that explosive mixtures might be formed in the impregnation vessels.Read more
Author:Wolff, WTEDate:1975The settling rate of dense-medium suspensions of three different magnetite ore samples was investigated. The result of the investigation indicates that the settling rate increases with (i) the increase in temperature of the suspension and 9 ...Read more
Author:Hibbert, ADate:1968From observations made during investigations with the D.S.M cyclone there was reason to believe that the cut point with a given feed was liable to change depending on whether the feed was we or dry-screened immediately before washing.Read more
Author:Archer, Emma RM; Dziba, LE; Mulongoy, KJ; Maoela, Malebajoa A; Walters, MicheleDate:2018The Africa regional Assessment is the first of its kind for the continent and constitutes one of four Regional Assessments conducted under IPBES. This Assessment is a synthesis of the state of knowledge on biodiversity and nature’s contributions ...Read more
Author:ISCOR-SASOL-F.R.I. Steering CommitteeDate:1960Iscor- SASOL-FRI steering committee progress report covering the period February - May 1960 Investigations conducted at the Fuel Research Institute.Read more
Author:Hunter, L; Gee, EDate:May 1987The isolated weak places and other physical properties of some 120 commercial cotton, cotton/polyester and polyester yarns, mostly ring, but including some rotor (OE) samples, have been measured.Read more
Author:Heyl, L; Von Maltitz, Graham P; Evans, J; Segoale, RDate:2000The softwood sawmilling industry processes approximately 4.1 million m3 of pine logs every year. Small-scale sawmillers which account for 67% of the total number of establishments process only about 11% of the annual log intake. The major ...Read more