There's just not a substantial amount of it there, like there is with nitrogen, it's a very minimal quantity.

在那里它没有很大的量，就像氮一样，它的含量非常少。

youdao

Trees limit soil erosion; some "fix" the soil with nitrogen.

树木能够克制水土流失，有的还能用氮修复土壤。

youdao

Along with nitrogen and iron, phosphorous is a key limiting nutrient in the ocean.

磷和氮、铁都是海洋有限的重要营养元素。

youdao

And we can do the same thing with, well, we're going to do it with nitrogen in a minute, but this is a case where we have two atoms sharing electrons.

然后同样的，我们也可以很快的对氮气进行类似的处理，但是这是共用电子,的双原子例子。

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It doesn't go all the way to absolutely 100 percent ammoniazero hydrogen zero nitrogen if they were mixed together with the right ratios.

即使按适当比例混合,也不会出现全部氨气,没有氢气和氮气的情况。

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So in terms of nitrogen that starts off with a valence number of 5, again we have 2 lone pair electrons in the nitrogen, and again, we have 6 electrons that are shared.

对于氮来说,我们应该从五个价电子开始，同样，氮也有两个孤对电子，共用电子的个数也一样，是六个。

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In a conventional fossil-fuel plant that's prohibitively expensive, since the CO2 is mixed in with nitrogen.

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But recently, it was shown that spiking TiO2 with nitrogen ions gives it photocatalytic capabilities in UV light and visible light.

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The subsequent industrial production of billions of tonnes of synthetic nitrogen fertilisers - particular after the 1950s - have flooded terrestrial and aquatic ecosystems with reactive nitrogen, and supported the century's human population explosion.

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