• A new rare-earth copper alloy powder for 24k gold imitation is prepared.

    研制新型仿24K稀土合金粉材料。

    youdao

  • A new process of producing electrolytic copper powder from anti-extracting bacterial leaching solution from copper ore of Ziji Mount Gold-Copper Mine was developed.

    研究了直接利用紫金山金铜矿的铜矿细菌浸出反萃含溶液生产电解铜新型工艺

    youdao

  • A new process of producing electrolytic copper powder from anti-extracting bacterial leaching solution from copper ore of Ziji Mount Gold-Copper Mine was developed.

    研究了直接利用紫金山金铜矿的铜矿细菌浸出反萃含溶液生产电解铜新型工艺

    youdao

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