...词： 铜绿微囊藻; 氮转化; 微生物功能群; 氧化还原电位 [gap=999]Keywords: Microcystis aeruginosa; nitrogen transformation; microbial functional group; oxidation reduction potential ...
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在流化床燃烧条件下，N2O由煤中的氮转化而来。
N2O is formed by nitrogen in coal under fluidized bed conditions.
根瘤内的固氮菌将游离氮转化为硝酸盐，被宿主植物在发育中利用。
Within the nodules the bacteria convert free nitrogen to nitrates, which the host plant USES for its development.
氮循环也一样，它将空气中的纯氮转化成有用的化合物，而人类使其加速了150%以上。
So too is the nitrogen cycle, which converts pure nitrogen from the air into useful chemicals, and which mankind has helped speed up by over 150%.
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