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

经氧化—还原反应，铜渗入铁中。

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

The feasibility of prepared nanometer-scale copper powders by chemical reduction method was studied.

探索用化学还原法制备纳米铜粉的可行性。

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