在空气中燃烧 meaning in English
combustion in air
Examples
- 2 some chemicals are flammable - ie . they burn in the presence of air
某些化学品是可燃的，例如：它们在空气中燃烧。 - Studies show that smokers take an average of 10 puffs per cigarette which add up to about 20 seconds . there are about 10 minutes during which smoke is emitted between the puffs of cigarette . such smoke can still cause harm to the others
据研究显示，吸烟者平均每一支烟只吸啜10次，共吸烟20秒，其馀却有10分钟时间是烟丝在空气中燃烧，没有被吸烟者吸用，但却危害他人健康。 - Studies show that smokers take an average of 10 puffs per cigarette which add up to about 20 seconds . there are about 10 minutes during which smoke is emitted between the puffs of cigarette . such smoke can still cause harm to the others
据研究显示，吸烟者平均每一支烟只吸啜10次，共吸烟20秒，其馀却有10分钟时间是烟丝在空气中燃烧，没有被吸烟者吸用，但却危害他人健康。 - Because the flue gases contain substantial amounts of nitrogen ( the result of burning coal in air , which is about 80 percent nitrogen ) , the carbon dioxide would be recovered at low concentration and pressure ? which implies that the co2 would have to be removed from large volumes of gas using processes that are both energy - intensive and expensive
由于废气中绝大部份是氮（这是在空气中燃烧的结果；空气本身含有80 %的氮） ，二氧化碳在废气中所?浓度和分压都很低，这也表示移除二氧化碳时，必须处理的是比二氧化碳更大量的废气，这样的处理方式既耗能又昂贵。