Author:Austin, BADate:2013This report forms a summary of the work done by the Chamber of Mines Research Organization before it merged with the CSIR. It deals with gold mining in South Africa, and contains a summary of the work that was done on underground radio.Read more
Author:Chidi, MCDate:15 Feb 2010The report highlights the different methods of collecting and storing rainwater before it enters the soil or flows into the streams. Some of the methods described are intercepting the rainfall, landscapes and treatment of catchmentsRead more
Author:Turpie, DWFDate:Feb 1975The spindle speed of a 144 spindle ring frame was increased in steps at a given rate during the spinning of wool to relatively fine counts until all ends were down.Read more
Author:Van Eeden, GSDate:1965Due to the amount of time by the standard method of moisture determinations of coal by heating in a vacuum oven at 100C for two hours, this method is not suitable for certain industrial applications.Read more
Author:Bathie, LADate:Nov 1984Waste is an undesirable but inevitable by-product in any manufacturing process and is frequently undervalued. The production of waste yarns by the waste spinner was traditionally carried out by condenser spinning in which the material was ...Read more
Author:Paige-Green, PDate:04 Jun 2009An investigation into the performance of 57 sections of road in South Africa identified by the Provincial Road Authorities as being constructed using marginal quality base course materials has been carried out. The investigations has shown ...Read more
Author:Meintjies, AADate:1966The document elaborates on a recording methanometer (prototype) that will determine the effect of mining operations and other factors such as changes in atmospheric pressure on the discharge of methane concentration for extended periods.Read more
Author:Meintjies, AADate:1963An optical extensometer was devised for measuring the linear expansion and contraction of slid blocks of coal occurring during the adsorption or desorption of moisture from the surrounding atmosphere.Read more
Author:Nurse, RH; Symindton, NC; Brooks, GR; Dev, LJDate:Jun 1976The National Programme for Environmental Sciences aims at identifying, evaluating and working towards solutions for environmental problems through cooperative studies drawing together interested scientists from various sectors. Apart from ...Read more
Author:Heim, FODate:1974When a diesel engine is operated on diesel oil at a high altitude, as on the Highveld, it is in most cases impossible to obtain the rated output without heavy smoke emission.Read more
Author:Frost, PGHDate:1987This report deals with the South African Savanna Ecosystem Project study site at the Nylsvley Provincial Nature Reserve, northern Transvaal. In particular, a description of the environmental features and ecological processes active in the ...Read more
Author:Bosire, J; Celliers, Louis; Groeneveld, J; Paula, J; Schleyer, MHDate:Dec 2015The Western Indian Ocean (WIO) region spans across a large latitudinal range, from the Somalia region, influenced
by the strong monsoon regime of the northern Indian Ocean, to the southern temperate regime of the tip of
South Africa, where ...Read more
Author:De Beer, Morris; Van der Merwe, CJ; Rohde, GTDate:1997This report contains a set of practical course notes on the Rehabilitation Design of flexible pavements in southern Africa based on extensive research by various researchers and / or practitioners in South Africa. The course is intended for ...Read morecb
Author:Savage, WHDDate:1965In the above paper analyses of samples taken in the Wilsontown main seam. Riddochhill colliery at sixty-nine five foot intervals from a large vertical dyke are given.Read more
Author:Masindi, VhahangweleDate:Dec 2015Wastewaters originating from mining activities are usually acidic and often contain high concentrations of Fe, Mn, Al and SO 2 in addition to traces of Pb, Co, Ni, Cu, Zn, Mg, Ca and Na. This wastewater impacts surface and subsurface water ...Read more
Author:Shannon, LV; Shackleton, LYDate:1988Against a background of the techniques and instrumentation available for remote sensing in the marine environment, this report considers the rationale for their use by the South African marine community. Local applications of remote sensing ...Read more
Author:Van Eck, BDate:1961This report details the results of two performance tests carried out on a Wemco-drum Dense Medium washing plant at Elandsberg colliery in January, 1961. As this was the first drum type dense medium separator to be installed in this country ...Read more
Author:Van Eck, BDate:1961A centrifuge was recently installed at Douglas Colliery for dewatering the Baun-washed fine coal after extraction from the settling ponds.Read more
Author:Van Eck, BDate:1960The FRI was approached by Messrs. Nortons Tividale SA (Pty) Limited, with the request to carry out certain tests on a dense medium washer supplied by them to the Carnarvon Anthracite Colliery.Read more
Author:Andrews, RJ; De Villiers, JA; Lategan, PM; Neytzell, FG; Van Der Walt, JPDate:Sep 1978An ad hoc meeting held in Bloemfontein on 29th November, 1976, identified a need for greater contact between South African research groups involved in fermentation technology. The meeting also suggested that the stimulation of research and ...Read more