The mentioned technology can be used for producing yttrium concentrate from ore leaching liquor.

采用这项技术可以从矿石浸出液制备钇富集物。

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Aimed at the similar characteristics of ores in the same deposit, the chemical dynamic model for ore leaching is established.

针对同一矿床矿中矿石具有的相近特点，建立了矿石浸出过程中的化学动力学模型。

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The copper ore leaching had been put into practice with a history of about 1000 years and was once well-developed in Soong Dynasty (960-1279 A. D. ) .

我国铜矿石浸出的生产实践距今已有约一千年的历史，并曾在宋朝（公元960—1279年）时一度十分发达。

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That was in 1994, when Friedland was best known by critics as "Toxic Bob, " after another of his ventures, Galactic Resources, tried to develop a gold mine near Summitville, Colorado using heap leaching, an extraction process that dips ore in cyanide to extract gold.

FORBES: Magazine Article

That was in 1994, when Friedland was best known by critics as "Toxic Bob, " after another of his ventures, Galactic Resources, tried to develop a gold mine near Summitville, Colo. using heap leaching, an extraction process that dips ore in cyanide to extract gold.

FORBES: The Promoter