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Estimating Specific Energy From The Brittleness Indexes In Cutting Metallic Ores
(Southern African Inst Mining Metallurgy, 2016)
Specific energy (SE) is a very useful parameter for assessing rock excavation by machine. Predicting the SE from the brittleness will be practical, especially for preliminary studies, due to the fact that determining the ...
Interaction Of Celestine Concentrate And Reagent Grade Srso4 With Oxalate Solutions
(Berg Fac Technical Univ Kosice, 2012)
The interaction of reagent grade strontium sulphate and celestine concentrate with aqueous solutions of oxalic acid, sodium oxalate and ammonium oxalate for the production of strontium carbonate were investigated for ...
Effects of Sulphuric Acid Dissolution on The Physical And Chemical Properties of A Natural And A Heated Vermiculite
(Berg Fac Technical Univ Kosice, 2015)
The effects of high-temperature (90 degrees C) sulphuric acid dissolution on the physical and chemical properties of a commercial vermiculite sample, in natural and heated forms, were investigated using chemical, X-ray ...