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.
纤维燃烧时，仅产生少量烟气，不熔融、不释放毒气，且具有自灭效果，碳化后能保持原有形态；
Burning, producing few smoke, no melting, no poisonous gas. keeping its original shape after carbonization.
一种吸烟者用以控制其烟尘释放的器具，由纸质滤烟袋和控制烟气排放流向的导烟装置所组成。
The utility model discloses a tool for a smoker to control the dust release, composed of a paper smoke-filtering bag and a smoke guiding device controlling the flow direction of the smoke emission.
目前，运用火灾模拟程序进行定量计算，分析失火隧道内的温度、烟气生成量等参数时，都是以火灾热释放率(HRR)为基础的。
At present, in order to analyse the temperature and smoke in the tunnel fire, we use numerical simulation to calculate the variable, which are all based on the fire heat release rate (HRR).
进行了抽吸间隔时间的长短对卷烟抽吸口数、烟气焦油、烟碱和CO释放量的影响实验。
The variation of puff number and tar, nicotine, and CO deliveries of cigarette smoke with puffing interval was tested.
生物燃料是广大农村地区普遍使用的生活燃料，其不完全燃烧所释放出的烟气是室内空气污染的主要来源之一。
The smoke from incomplete combustion of biomass, a kind of fuel widely used in rural area, is one of the main indoor air pollutants.
生物燃料是广大农村地区普遍使用的生活燃料，其不完全燃烧所释放出的烟气是室内空气污染的主要来源之一。
The smoke from incomplete combustion of biomass, a kind of fuel widely used in rural area, is one of the main indoor air pollutants.
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