Packaging Series: vacuum packing, antirust packing, waterproof packing, shockproof packing, nitrogen-filled packing, foam filling packing etc.

辅助包装系列：真空包装、防锈包装、防水包装、减震包装、氮气包装、泡沫填充包装等。

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"If the atmosphere filled up with nitrogen, mankind would not survive," she continued, as we inspected an extinct species of bird. "that does not mean that mankind deserved to die."

“如果大气中充满氮气时，人类是无法生存的，”当我们在考察一个灭绝的鸟类物种的时候，她接着说：“这并不意味着人类该死。”

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In case of emergency that can cause a fire, oil from the transformer goes to a separate green pipe shown in picture 11 and the transformer is filled with nitrogen.

为防止突发事件造成的火灾，变压器中的油将流入如图片11所示的一个单独的绿管，变压器内会充满氮气。

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So if we're comparing the difference between these 2 now, what you'll notice is that in nitrogen we have all half-filled 2 p orbitals, and now, once we move into oxygen, we actually have to add 1 more electron into 1 of the 2 p orbitals.

那么如果我们来比较下它们两个有什么不同，你会发现氮的，2，p，轨道,都是半满的，现在，我们继续看一下氧，我们不得不在其中一个，2，p，轨道上,再放上一个电子。

麻省理工公开课 - 化学原理课程节选