Author:Meintjies, AADate:1967The sensing element of the methanometer is a small hydrogen flame which burns in air at the tip of a metal jet. The electrical resistance of the hydrogen flame is extremely high and is decreased when an organic substance burns in it. The ...Read more
Author:Tile, NDate:Mar 2012High efficiency tandem selective solar absorber materials of carbon in nickel oxide (C-NiO) composite were fabricated on an aluminium substrate using a simple and cost effective sol-gel process. The process involved preparation of carbon and ...Read more
Author:De Beer, MorrisDate:Nov 2001Describes in summary the attendance of the author at an invited meeting of the COST 347 ALT (Accelerated Loading Testing) Committee in Cologne, Germany, Europe. The meeting was held at Bast, near Cologne, from 27th June 2001 to 29th June 2001. ...Read more
Author:Hlabela, Simon P; Harribhai, Jatin; Seboqa, MogauDate:Mar 2016South Africa is a developing country and has made its mark as one of the major maritime countries in Africa and the world. For it to compete internationally the ports of South Africa have to maintain an international standard it terms of ...Read more
Author:Schrige, GU; Penderis, AHDate:Oct 1978References to 258 publications are presented together with summaries, keyword listings and a keyword index. This bibliography forms part of the South African contribution to the SCOPE project "The ecological effects of fire", 1977-1980.Read more
Author:Morton, B; Theyse, HLDate:Mar 2003After many years of owning and operating a Heavy Vehicle Simulator (HVS) Mk III, Gautrans acquired a HVS Mk IV+ in May 2002. In addition to the advanced features that this machine possesses in comparison to its predecessor, the HVS Mk IV+ ...Read more
Author:Erasmus, TCDate:1965Flame propagation in pulverized coal-air-mixtures may be studies by placing an ignition source in a pulverized-coal-air-stream. The fuel-air-mixture is ignites at the source and the flame propagates laterally into the stream to form a conical flame.Read more
Author:Copeman, JH; Von Wolff, WTEDate:1968The present study was undertaken to establish to what extent the method could be applied to analysis of coal ashes.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