The harmful substance in Chinese medicinal material mainly includes pesticide, heavy metal, microorganism, etc.
中药中有害物质主要指农药、有害重金属、微生物等。
参考来源 - 中药中有害物质污染状况与检测研究The method to examine the harmful substance had good reproduction quality and high returns-ratio characteristic, then it was simple, fast, accurate, thus reduced the labor intensity, raises the working efficiency.
8.采用的有害物质测定方法均有具有重现性好和回收率高的特点且简便、快速、准确,从而减少了劳动强度,提高工作效率。
参考来源 - 天水洋蓟罐藏工艺、营养品质及有害物质残留测定的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
"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。
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。
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