Experts think the toxic chemicals in smoke can damage the DNA in hair follicles and generate cell-damaging free radicals as well.
专家们认为香烟中的有毒化学物质灰损害毛囊中的基因，同时产生破坏细胞的自由基。
Other equipment in the cavernous space can replicate the downwash from rescue helicopters, and generate rain, darkness, 120-mile-per-hour winds, smoke and fire.
这个巨大的空间里还有其他一些设备，可以模拟救援直升机的下旋气流，也能制造降雨、黑暗、时速120英里的大风，以及烟和火。
Compared with other natural gas combustor, this combustor can generate the second combustion and form circumfluence of smoke.
同一般天然气燃烧器相比，这种燃烧器既能产生二段燃烧，又能促进一定量的烟气回流。
The wood used to generate the smoke should be non-resinous, such AS hickory, apple, plum, oak, beech, or ASh.
烟熏所用的木头不应含树脂，如山胡桃，苹果树，李树，橡树，榉树或秦皮。
Sugars are added to produce a milder, more inhalable smoke — but also because, when burned, they generate acetaldehydes, boosting the addictive potency of the resulting smoke.
添加的糖分是为了使香烟的口感更柔和，更易吸入；同时，糖分燃烧时会生成乙醛，从而增强香烟的致瘾性。
The density function and working radium are added to the particle properties, thus very little particles are needed to generate the smoke density field.
为粒子属性引入浓度函数和作用半径，从而只需少量粒子就可快速获得浓度场分布。
The density function and working radium are added to the particle properties, thus very little particles are needed to generate the smoke density field.
为粒子属性引入浓度函数和作用半径，从而只需少量粒子就可快速获得浓度场分布。
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