卷烟燃烧时释放出大量侧流烟气，其中有很多危害人们身体健康的物质，如烟碱、醛类物质等。
In the sidestream smoke of cigarette, there are many substances which are harmful to people's health, such as nicotine, aldehyde.
隧道内火灾的热释放速率对火灾蔓延和烟气生成起着关键作用。
The heat release rate (HRR) of a fire in a tunnel is a crucial factor, both in terms of fire spread and smoke production.
本发明能够有效降低造纸法再造烟叶烟气一氧化碳释放量。
The invention can effectively reduce the release amount of the carbon monoxide in the flue gas of the papermaking-method reconstituted tobaccos.
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