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A piezometer generally has a short well screen through which water can enter. ... complex data review S-38 GROUND-PENETRATING RADAR A transmitter emits pulses of high- frequency electromagnetic waves into the subsurface which are scattered back to the receiving antenna on the surface and recorded as a function of time S-39 NOTES 8/95 13

This approach has been used to model slurry flow in mills [19,20,21] and for vibrating screens [22]. A full two-way coupling of the DEM phase to the SPH phase is given in [9]

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The ore concentrates, which contain copper sulphide and iron sulphide minerals, are treated by pyrometallurgical processes to yield high purity copper products. Oxide ores, which contain copper oxide minerals that may occur in other parts of the mine, together with other oxidized waste materials, are treated by hydrometallurgical processes to

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Early in the 18th century, the discovery that coke could be used in place of charcoal revolutionized the industry, making possible its rapid development as the base on which all other developments of the Industrial Revolution rested. Great advantages accrued to those countries where natural deposits of coal and iron ore lay close together

High-frequency screen with high frequency can destroy the pulp surface tension and fine material in screen surface high-speed oscillation. This operation not only accelerates the density of useful minerals and segregation but also increases the probability of less than the size of the separation material in contact with the screen hole

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High frequency vibrating screen (high frequency screen) is composed of exciter, pulp distributor, screen frame, supporting, suspension spring and screen, etc. High frequency vibrating screen is the most important screening machine in mineral processing industry, which is suitable for completely wet or dry raw materials

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So far, DEM has been extensively applied on vibrating screens, such as the circular vibrating screen [13,14], the linear vibrating screen [15][16][17], the elliptical vibrating screen [18], and

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The vibration of an unbalanced flywheel is very violent. This causes mechanical failure and structural damage to occur. The four-bearing system greatly reduces this problem. Why these screens are vibrated is to ensure that the ore comes into contact will the screen. By vibrating the screen the rock will be bounced around on top of it

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