By oxidation - reduction reaction, copper is cemented into the iron.

经氧化—还原反应，铜渗入铁中。

youdao

Bronze Powder: an inert alloy of copper and tin providing a blend of properties that assists with the demands of the industry for wear and noise reduction.

青铜粉一铜和锡的惰性的合金提供混合物减少工业的磨损和降低噪声。

youdao

The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.

研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。

youdao

This 51% ownership rule will cause a 14% reduction on copper reserves and a 49% reduction on gold reserves and no impact on molybdenum, as Grasberg has no molybdenum.

FORBES: Freeport McMoRan Worth $62 Despite Indonesian Shake Down