This paper presents one's opinion for reduction course in alkali sulphide reduce nitro compound.

本文对硫化碱还原硝基化合物的反应历程写法提出了自己的见解.

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Demand for ammonium nitrate, mainly from the people as well as the nitro - compound explosive products.

硝酸铵需求主要来自于民爆产品以及硝 基 复合肥.

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