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

本文报导了一种用化法直接从铜氨溶液中制取属铜粉的法。

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

该技术用氨铜洗系统过滤铜氨液,使用效果令人满意。

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