他在执行第一次太空行走的任务时，又是碰到空气泄漏，又是碰到材料意外硬化——后者把他压回了密封舱，几乎让他丧命。
He performed the first space walk on his mission, but experienced both air leaks and material unexpected stiffening — the latter of which made cramming himself back in the capsule a very near thing.
控制循环空气的相对湿度和空气的温度可防止表面硬化的出现。
It is prevented by controlling the relative humidity of the circulating air and the temperature of the air.
导致CVD风险增加的机制尚不清楚，但是研究人员相信空气颗粒物可以促进动脉粥样硬化。
The mechanisms that led to this increased risk of CVD are unclear, but the researchers believe that the air particles may accelerate atherosclerosis.
根据近日发表在《公共科学图书馆?医学》杂志上的研究，呼吸含大量颗粒物的（雾霾）空气可能会让你的动脉硬化速度加快。
Breathing particulate-laden (aka smoggy) air may be hardening your arteries faster thannormal, according to research published recently in PLOS Medicine.
新鲜的龙涎香是软的，呈黑色，有难闻的气味。遇到阳光、空气和海水，就硬化、褪色并产生宜人的香气。
Fresh ambergris is soft, Black, and smelly; exposed to sunlight, air, and seawater, it hardens, fades, and develops a pleasant scent.
因此，为了阐明其他形式的肺刺激，如空气污染，是否也能促进多发性硬化的发生，采取进一步的研究将是很有价值的。
Hence, further studies would be valuable in order to clarify whether other forms of lung irritation, such as air pollution, contribute to the triggering of multiple sclerosis.
最后，干热空气通过模制品使相邻砂粒间的蛋白质键合硬化。
Finally, hot, dry air is passed through the molded article to harden the protein bonds between the contiguous sand particles.
要知道的重要一点是，热量不会使版画油墨水快，只有空气固化会做，因为油墨包含需要以硬化暴露于空气中的油。
The important thing to know is that heat will not make the printmaking inks water fast; only air curing will do that because the ink contains oils that need to be exposed to air in order to harden.
即使相对较低剂量的吸烟暴露也可以增加多发性硬化的患病风险，这一发现使得空气污染暴露同样增加MS患病风险的可能性升增高。
The findings that even relatively low-dose exposure to smoking increases MS risk raises the possibility that exposure to air pollution may similarly increase risk.
即使相对较低剂量的吸烟暴露也可以增加多发性硬化的患病风险，这一发现使得空气污染暴露同样增加MS患病风险的可能性升增高。
The findings that even relatively low-dose exposure to smoking increases MS risk raises the possibility that exposure to air pollution may similarly increase risk.
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