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

本文报导了一种化学法接从铜氨溶液中制取属铜粉的法。

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

该技术成氨铜洗系统过滤铜氨液,使效果令人满意。