Well, if you get the combustion chamber hot enough, in point of fact, there are some reactions between nitrogen and the oxygen.

如果燃烧室的温度足够高的话，实际上在氮气和氧气之间，会发生一些反应。

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A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.

美国的一个物理学家团队通过将一束紫外激光聚焦于一小块氧分子中，发明了一种聚焦于半空中一点的红外激光束。

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We're almost receiving people on oxygen tanks and colostomy bags; it's almost getting to that point.

我们简直就是在接收挂着氧气瓶和结肠袋的人;情况差不多到了这一步。

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Well, if you get the combustion chamber hot enough, in point of fact, there are some reactions between nitrogen and the oxygen.

如果燃烧室的温度足够高的话，实际上在氮气和氧气之间,会发生一些反应。

麻省理工公开课 - 固态化学导论课程节选

z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.

你们要记住如果,等于或者大于，就像O是分界点，这时sigma2p轨道,比π2p轨道能量更低。

麻省理工公开课 - 化学原理课程节选

At one point her lungs "required 100% pure oxygen to be fed to her through a respirator, " as the bacteria ravaged her body, her father wrote.

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