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1·Filter tips clean some harmful substance from the smoke.

滤嘴能消除香烟中一些有害的物质。

2·The utility model provides a gas mask for operating personnel who works with harmful substance.

本实用新型提供了一种用于从事有害物质作业人员的防毒面罩。

3·In the manufacturing process of industry, the exhaust gas contain some harmful substance such as soot, sulfide, nitration, oil, and so on.

工业生产排出的废气中含有大量的烟尘、硫化物、硝化物、油类等有害物质。

4·In recent years, it has become more and more stringent to control over harmful substance contents in textiles among the nations in the world.

近年来，世界各国对纺织品中的有害物质含量的控制已越来越严格。

5·These instructions, defense artificially added chemicals in food, some harmful substance is but with the naked eye or simple method of inspection.

这些说明，防御食品中人为的添加化学物质、有害物质有些是可是用肉眼或简单的方法检验出来的。

6·Incident means an event involving the actual or probable discharge into the sea of a harmful substance, or effluents containing such a substance.

“事故”系指涉及实际或可能将有害物质或含有这种物质的废液排放入海的事件。

7·Through the transformation function of modifier, it successfully realizes zero emission of such harmful substance as CH2O in combustion of low-carbon fuel.

通过改性剂的转化作用，成功实现低碳燃料燃烧时甲醛(CH2O)等有害物质的零排放。

8·The materials' own attribute limit, the traditional metope adornment material is accomplished very hard greatly dispel or reduce the harmful substance content.

由于材料自身的属性限制，传统的墙面装饰材料很难做到大幅度祛除或降低其有害物质含量。

9·Ammonia is a poisonous and harmful substance that should be recovered during equipment maintenance so as to avoid it leaks out to pollute environment and hurt human.

氨是一种有毒有害物质，在石化装置设备进行检修时需要对氨进行回收，否则容易造成环境污染和人体伤害及人员中毒事故的发生。

10·Vitrification is the safest disposal method at present. Howevee, some harmful substance volatilized from fly ash in melting process, which caused second contamination.

熔融固化处理是安全的处理方法，但飞灰熔融过程中有有害物质挥发，造成二次污染。