树脂芯方法对草原土壤氮转化过程干扰较小，是自然条件下研究温带草原土壤净氮矿化的有效手段。
Resin-core technique caused fewer disturbances to grassland soil processes, and was an effective technique for studying the net nitrogen mineralization in the field.
在那里，经称为脱氮的过程，微生物把氮转化为一氧化二氮(又称笑气)和一种称为二氮的惰性气体。
There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.
氨同化作用是植物将无机氮转化成有机氮的一个重要过程。
Ammonium assimilation is a very important process to transform inorganic nitrogen into organic nitrogen for plants.
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