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In the conventional copper ore beneficiation, it is effective to increase the separation rate by sufficiently grinding the ore because it is based on specific gravity separation and flotation, but in the present invention, it is necessary to increase the separation rate due to crushing and crushing by using the leaching and precipitation method. There is no economical.
The untreated coal acquired 50 percent moisture content almost instantaneously and equiliberated through air drying to a 30 percent moisture content. In contrast, the shake dried, treated sample had a moisture content of only twenty percent after the one hour submersion.
Meanwhile, water stress caused significant increases in some compatible solute (total soluble sugar, free amino acids, and proline) and some antioxidant enzymes activities. Foliar treatments of wheat plants with kaolin or K2SO4 led to an increase in growth parameters, yield components, photosynthetic pigments, and carbohydrate constituents. More accumulation of the organic solutes of leaves (total soluble sugar and free amino acids), antioxidant enzyme activities, and some minerals (N, P, K, and Ca) was observed. Data also illustrated that the nutritional values of the grain yield of wheat were also improved when sprayed with kaolin and K2SO4.Water stress led to a decrease in growth parameters, yield components, photosynthetic pigments, and carbohydrate contents as compared to 80% of WHC.
In this paper, a laboratory-scale ball mill is employed in investigating the impact of different operating variables on the impact behavior of lifter. The main research conclusions are summarized as follows. The determinations of ball trajectory, impact force and power draw are used to characterize the impact behavior between the charge and lifter.
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