Copper oxide ore was an important part of copper resources in our country.

氧化铜矿是我国铜矿资源的重要组成部分。

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Sulfuric acid leaching of low grade zinc oxide ore is studied in this paper.

研究了高硅低品位氧化锌矿的硫酸浸出工艺。

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Phenomena of Acid leaching of oxide ore and dissolution of silica are described.

介绍了氧化矿的直接酸浸及二氧化硅的溶解行为。

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Thus all those mountains of copper oxide out there (and there are many, quite literally, mountains of copper oxide) became copper ore instead of dirt.

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The oxide (which comes from an ore called coltan) is converted to a fluoride using hydrofluoric acid, and the fluoride is then reduced with liquid sodium.

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