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

1.本文报导了一种方法直接从溶液中制取粉的方法。

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

2.该技术于合洗系统过滤液,使效果令人满意。

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caustic lime, caustic potash, caustic soda, caustically, causticity, causticization, causticize, causticizer, causticizing, causticoid,

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3G, 401(K), a,

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