Author:De Beer, Morris; Maina, JWDate:Jul 2008This paper is a brief introduction to some of the well known fundamental engineering properties of homogeneous isotropic linear elastic materials. It specifically shows the relationships between different elastic moduli. It covers some of the ...Read more
Author:Henry, G; Johnson, D; Ilgner, H; Letlotla, SDate:Aug 2011This presentation looks at the way rocks break and the geological and geophysical aspects thereof. It it important to know that rocks are much weaker under tension (10 times) than under compression. Geological and geophysical factors play an ...Read more
Author:Chakwizira, J; Mashiri, MAMDate:Apr 2008This paper presents some insights into the intersection of physical planning and governance in Zimbabwe. It argues that the major theoretical, policy and practice discourses - explaining the intersection of physical planning and governance - ...Read more
Author:Paige-Green, P; Ware, CDate:Jul 2006In situ recycling as a pavement rehabilitation option in South Africa is becoming increasingly important. Use has been made of both bitumen (emulsion and foamed) and traditional chemical stabilizers (lime, cement, lime/slagment, etc). Very ...Read more
Author:Archibald, REMDate:1966In January, 1966, the Zoology Department of Rhodes University, Grahamstown, undertook a second expedition to Lake Sibayi under the leadership of Professor B. R Allanson. Lake Sibayi is a lake situated in the central littoral section of Tongaland ...Read more
Author:Archibald, REMDate:1966In studies of the ecology of diatoms, particularly in the case of studies concerned in any way with organic pollution, one of the most important genera of diatoms concerned is the genus Nitzschia Hassall.Read more
Author:Layton, L; Ellis, R; Robinson, GADate:Jul 1974Three novel methods of producing mohair blankets are described and compared with the conventional method of weaving.Read more
Author:Hunter, LDate:Jul 1973Some results obtained and observations made during routine test carried out with a capacitance yarn fault classifying instrument on about 400 kg of yarn are reported.Read more
Author:Turpie, DWFDate:Jun 1985Until fairly recent times, very little published information was available on the processing performance and characteristics of the mohair fibre. What information there was, had been acquired the chard way over many decades by those very few ...Read more
Author:Turpie, DWFDate:Feb 1984There is no doubt that mohair has many characteristics which make it highly desirable and valued by consumers all over the world.Read more
Author:Slinger, RI; Robinson, GADate:Dec 1968Several worsted fabrics made from merino/corriedale, corriedale/mohair and merino/mohair blends were examined.Read more
Author:Kleyn, EG; Bergh, AODate:Jul 2008Good quality and sub-base material for road pavement construction is becoming increasingly scarce. Dolerite is one of the more abundant natural road building materials in South Africa. Yet, it seems that the road design and construction ...Read more
Author:Hunter, L; Gee, E; Sanderson, KWDate:Jun 1983The physical properties of more than 2000 cotton samples, covering three seasons, various cultivars and different production areas, have been measured and average to provide typical values for the different cultivars.Read more
Author:Barkenhuysen, FA; Van Rensburg, NJJDate:Jul 1984The modification of the structure of bleached cotton treated in yarn from with anhydrous liquid ammonia and liquid ammonia containing as much as 15% water was determined with the aid of iodine and moisture absorption tests, X-ray diffraction ...Read more
Author:Aldrich, De VDate:Jun 1976Eleven lots of cotton comprising several cultivars from two areas (Upington and Groblersdal) were submitted for fibre analyses and spinning trials.Read more
Author:Aldrich, De V; Grobler, ADate:May 1973Some mechanical properties of wool, wool/polyester and wool/acrylic intimately blended yarns were investigated.Read more
Author:Cooper, Antony K; Coetzee, S; Ravno, KDate:Nov 2010This short positional paper outlines several areas where research is required: 1) Novel ways of representing geovirtual environments on small mobile phone information displays that require limited bandwidth, 2) understanding of how geovirtual ...Read more
Author:Cooper, Antony KDate:May 2008Some of the research issues in humanitarian logistics and quantitative methods discussed in this presentation are Identifying people in a disaster; Facilitating movement of people and aid; Geographic Information Services (GIS) to support ...Read more