Author:Van der Walt, GHJ; Van Rensburg, NJJDate:May 1985Different cotton fabrics, ranging from 91 to 330 g/m, were foam-dyed on a laboratory scale FFT machine using various reactive dyes.Read more
Author:Oelofse, Suzanna HHDate:Jul 2015This presentation presents on the food waste in South Africa: Opportunities and challenges, Food loss by region and stage of the supply chain and estimated food waste.Read more
Author:Van der Zel, DWDate:1988Even after 300 years of indigenous forest protection as well as 100 years of plantation forestry, no forestry map of South Africa was available. The development and availability of LANDSAT images in the early 1970s opened possibility to use ...Read more
Author:van der Zel, DWDate:1988Even after 300 years of indigenous forest protection as well as 100 years of plantation forestry, no forestry map of South Africa was available. The development and availability of LANDSAT images in the early 1970s opened up possibilities to ...Read more
Author:Hamman, JDate:2000The IIED and CSIR have embarked on a joint study on Instruments for Sustainable Private Sector Forestry. In terms of this study, a sub-study on the experience of persons involved in the certification process was commissioned. Being on these ...Read more
Author:Khosa, MDate:2000The outsourcing of forestry activities over the past decade has created an industry with an annual turnover of R600 million and 35000 employees (Edwards, 2000). During the past decade forestry companies have switched from employing some of ...Read more
Author:Naidoo, Sasha; Davis, C; Archer, Emma RMDate:Sep 2013This paper provides an analysis of the implications of climate change for forests and rangelands in southern Africa. The extent of the resources and their economic and social functions and drivers of change is outlined. The vulnerability of ...Read more
Author:Denneman, EDate:May 2011An innovative pavement system known as Ultra Thin Continuously Reinforced Concrete Pavement (UTCRCP) was recently developed in South Africa. The technology is currently being implemented on some major routes in the country. The system consists ...Read more
Author:Schutte, IC; Roodt, LDe VDate:02 Jun 2009Speed plays an important role in the justification of road infrstructure projects. It affects both vehicle operating cost and travel time cost. If incorrecr values for speed are used in the economic analyses of transport projects, incorrect ...Read more
Author:Meintjies, AADate:1968Field testing of the FRI methanometer is in progress at D.N.C colliery. This work was undertaken to investigate the reliability of the instruments and to train personnel to operate and service them before any extensive study should be started ...Read more
Author:Veldsman, DPDate:Feb 1968SAWTRI hopes that, through this resume, and through its complete list of publications where more detail is required, a contribution is being made to the knowledge of one of nature's most powerful wonderful fibers.Read more
Author:Fuel Research Institute South AfricaDate:Apr 1980This brochure contains a brief account of the growth of the institute over the past 50 years and of its structure, mode of operation and activities.Read more
Author:La Grange, CCDate:1965In the previous report the advantages and disadvantages of predying and preheating coke oven charges were briefly dealt with and some literature references on the subject were cited. The present report covers further investigations along ...Read more
Author:La Grange, CCDate:1963The first series of tests in this programme was carried out in the letter half of 1962, and the results were communicated in FRI Technical Memorandum No. 21 of 1962.Read more
Author:Cizek, J; Turpie, DWFDate:Nov 1985A number of profiles of raw wool staples are illustrated, and also the profile of raw mohair staple. It is shown that testing of the strength of raw wool stapled at a short gauge, in addition to the maxim practical gauge, (namely where the ...Read more
Author:Kuiters, A; Van Doornum, GAWDate:1969A further examination of these models revealed that the coal feed rate did not permit a very much greater output that was achieved during the experiments. The units were retested at full load, while some additional trials at reduced load were ...Read more
Author:Day, J; Siegfried, WR; Louw, GN; Jarman, MLDate:Dec 1979Current knowledge and thinking on the ecology of the Mediterranean type sclerophyll shrublands and heath lands of the southern and south-western Cape is reviewed in 13 concise syntheses. The Fynbos Biome is defined and characterized in terms ...Read more