nitrogen fixation

短语

[化] 固氮; 固氮作用 [医] 氮固定, 定氮作用

释义与例句

n.
  1. 1.

    The conversion of atmospheric nitrogen into ammonia and organic derivatives, by natural means, especially such conversion, by microorganisms in the soil, into a form that can be assimilated by plants.

    固氮作用

    不可数 化学 生物