选用了一种工业镍基催化剂，它具有同时脱除热煤气中氨、有机硫和煤焦油蒸气的多种净化功能，而且能达到较高的净化效率。

Nibased industrial catalyst has been introduced into hot gas cleanup study for removal of ammonia, coal tar and organic sulfur compounds in high temperature gas.

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我们镇上的工业污染应该已经把学生们变成了活生生的科学实验品，他们每天都要吸入相当于实验室含量的锰、铬和镍等重金属。

Industrial pollution in our town had supposedly turned students into living science experiments breathing in a laboratory's worth of heavy metals like manganese, chromium and nickel each day.

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与铜、铝、锌和镍等贱金属一样，特种金属也受到工业活动的推动。

Like the base metals of copper, aluminium, zinc and nickel, speciality metals are driven by industrial activity.

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