This article reports a method of preparation of metal-copper-powder with cuprammonia by directIy chemical method.

本文报导用化学方法直接从铜氨溶液中制取属铜粉的方法。

This technology is used in the filtration of cuprammonia liquor in the cuprammonia wash section of an ammonia plant with satisfactory results...

该技术用于合成氨铜过滤铜氨液,使用效果令人满意。