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Browsing by Author "Viljoen, GA"

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An apparatus for determining the stability of suspensions

Author: Viljoen, GA Date: 1972 The first apparatus operating on the principle of a change in the buoyant force with progressive settling was constructed along the following lines. A suitable shaped glass cylinder was suspended from one arm of a chemical balance so that it ... Read more
The reactivity index of sample of coal submitted by the Somerset Mining Company

Author: Viljoen, GA ; Kuhn, AH ; Erasmus, TC Date: 1974 A sample of coal submitted by the Somerset Mining Company was treated in the Institute's coal preparation pilot plant as Pretoria West. The major portion of the relative density float product prepared in the Drewboy washer, was subsequently ... Read more
A strain-gauge amplifier

Author: Viljoen, GA Date: 1973 Amplifier to be described was developed and built as a requirement for the "Delayed Coking" apparatus constructed at the Institute. Read more

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Browsing by Author "Viljoen, GA"

Browsing by Author "Viljoen, GA"

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