A century earlier, Henry Cavendish had noted the existence of a residual gas when oxygen and nitrogen are removed from air, but its importance had not been realized.
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2. 气体，温度是T，我们有氮气。
Gas, temperature t, you take nitrogen.
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3. 让我们看看此原理是否适用氮气。
Let's look at nitrogen to see if it applies there as well.
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4. 树木也依赖于氮气才能生长。
Trees also depend on nitrogen to grow.
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5. 而最棒的氮气大餐来自于喜苔类细菌。
And the best buffet of nitrogen comes from moss-loving bacteria.
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6. 对于氮气我们知道什么？
Well, we know nitrogen has what?
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7. 大气中也主要是氮气。
The atmosphere is mostly nitrogen.
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8. 厚厚的氮气组成的大气层你弥漫着烟雾和云。
The thick nitrogen atmosphere holds fog, mist, smoggy haze and rain clouds.
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9. 此外，C4植物对水和氮气的需要量也较少。
They also use less water and nitrogen.
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10. 氮气会经过燃烧室。
That nitrogen goes through the combustion chamber.
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11. 通过氮气进行降温的瞬间。
Momentary foot cooling with the help of nitrogen.
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12. 氮气从空气中被去除，使得燃料能够在纯氧中燃烧。
Nitrogen is removed from the air, enabling the fuel to burn in pure oxygen.
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13. 我们了解氮气中有多重键，我们看看氮气。
We know nitrogen bonds multiple bonds, so let's look at nitrogen.
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14. 这是氮原子，这是氮原子，然后这是氮气的分子轨道。
Here is the atomic nitrogen, here is the atomic nitrogen and these are the orbitals of molecular nitrogen.
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15. 试一下氮气。
Let's try nitrogen.
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16. 拿一点氮气。
Take some nitrogen gas.
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17. 尽管你认为那是氮气，我的意思是，它是一种惰性气体。
And, although you think that nitrogen, I mean, it's an inert gas.
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18. 这颗行星有相对较薄的大气层，主要由氮气和氧气组成。
The planet has a relatively thin atmosphere composed mostly of nitrogen and oxygen.
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19. 我们接下来会问一些问题，我们有氮气，氢气，把它们混合。
And we're going to ask the question, so I take nitrogen, I take some, hydrogen, I mix them together in a container.
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20. 问题是如何处置氧化氮副产品，这对环境污染远比氮气更严重。
The problem has been how to dispose of the nitrous oxide byproduct, which is far worse for the environment than nitrogen.
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21. 但是通过加入氮气和铜，会改变二氧化钛在可见光下的催化活性。
But adding nitrogen and copper to the mix shifts the preference of the titania tubes to visible light, Grimes says.
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22. 我想问，当达到平衡后，氮气，氢气和氨气的分压，分别是多少？
And I'm going to ask, after I reach equilibrium, what is the partial pressure of nitrogen hydrogen and ammonia?
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23. 工厂生产氧气，氮气等气体，他们采用德国技术，并聘请德国员工。
Gases such as oxygen, nitrogen, etc are produced at the plant.They use a German technology and will hire German employees as well.
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24. 工厂生产氧气，氮气等气体，他们采用德国技术，并聘请德国员工。
Gases such as oxygen, nitrogen, etc are produced at the plant. They use a German technology and will hire German employees as well.
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25. 然而充氮气的气球定期的发动它的动力装置升高到平流层。
Although helium-filled weather balloons regularly launch instruments high into the stratosphere.
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26. 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。
Well, if you get the combustion chamber hot enough, in point of fact, there are some reactions between nitrogen and the oxygen.
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27. 有些农田被牲口过度放牧亏损，暴雨淹没了田地，缺乏氮气造成玉米的秆子矮小。
Heavy rains flooded the land. A lack of nitrogen in the soil made the corn stalks puny.
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28. 表面活性剂本身燃烧时除了生成水、二氧化碳和氮气之外，不会生成其他的排放物。
The surfactant itself also burns without creating emissions beyond water, carbon dioxide and nitrogen.
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29. 表面活性剂本身燃烧时除了生成水、二氧化碳和氮气之外，不会生成其他的排放物。
The surfactant itself also burns without creating emissions beyond water, carbon dioxide and nitrogen.
