• Nitrogen is an unstable element.

    一种不稳定元素

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  • Above all, they will have to discover how much nitrogen it possesses.

    重要的是,他们必须清楚这里面含有多少

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  • A third is certain basic chemicals such as carbon, oxygen and nitrogen.

    第三某些基本化学物质

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  • Well, we know nitrogen has what?

    对于氮气我们知道什么

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  • The atmosphere is mostly nitrogen.

    大气主要是氮气

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  • Liquid nitrogen ice cream.

    液态冰淇淋

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  • Take some nitrogen gas.

    一点氮气

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  • Air contains oxygen and nitrogen.

    空气含有

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  • Air consists chiefly of nitrogen.

    空气主要氮气组成。

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  • Gas, temperature t, you take nitrogen.

    气体温度是T我们氮气

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  • And then for nitrogen?

    呢?

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  • They also use less water and nitrogen.

    此外,C4植物对氮气的需要量也较少

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  • Nitrogen is not miscible with oil.

    氮气混相

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  • Let's try nitrogen.

    一下氮气。

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  • What about between the carbon and nitrogen?

    那么之间呢?

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  • Which element is shown here? Yeah, nitrogen.

    显示是哪个元素

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  • Nitrogen is an essential food for plants.

    植物一种必不可少养分

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  • What do you see here? This is now for nitrogen.

    能看到什么,的。

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  • What is the percentage of nitrogen in air?

    空气的氮比例多少?

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  • Remember, nitrogen has no warning properties!

    记住没有警告性特征

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  • The main reservoir of nitrogen is the atmosphere .

    主要蓄存库大气层

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  • A second small nitrogen line leak is also being repaired.

    第二管线泄露修理完毕

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  • The atmosphere consists of more than 70% of nitrogen.

    大气含有70%以上氮气

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  • Let's look at nitrogen to see if it applies there as well.

    我们看看此原理是否适用氮气

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  • They found that the fungus was getting nitrogen from the air.

    他们发现真菌空气获得氮元素

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  • So what we see is that the formal charge on the nitrogen is 0.

    因此我们看到形式电荷

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  • And, although you think that nitrogen, I mean, it's an inert gas.

    尽管认为那是氮气意思是一种惰性气体

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  • Ammonia is the feed stock to make nitrogen-based fertilizers.

    氮基,化肥原料

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  • The Atractylone in sample solution was kept stable in nitrogen.

    样品溶液中的苍术酮经充氮气保持稳定

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  • So, nitrogen is shown here, we know that because it has 7 electrons.

    那么这里显示我们能看出来是因为七个电子

    youdao

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