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单词 θ68062
释义
the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > fixation > of nitrogen (2)
fixation1850

The process of fixing nitrogen or another substance as part of a biological or industrial process; see fix, v. 4c. Cf. nitrogen fixation n.

nitrogen fixation1893

the conversion, esp. by bacteria, of gaseous nitrogen into a combined form that is usable by plants.

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