preg robbing

preg robbing: Золотодобыча: прег-роббинг, природная сорбционная активность, природная сорбционная активность углистых компонентов руды, прег-роббинг углистыми компонентами руды

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Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url=http://geology.com/publications/getting gold/gold… … Wikipedia
gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… … Universalium

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