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单词 Nitrogen fixation process
释义

Nitrogen fixation process

中文百科

固氮作用 Nitrogen fixation

(重定向自Nitrogen fixation process)

固氮作用英语:Nitrogen fixation),简称固氮,指将空气中游离态的氮(氮气)转化为含氮化合物(如硝酸盐、氨、二氧化氮)的过程。可分为自然固氮以及人工固氮两种。

英语百科

Nitrogen fixation 固氮作用

(重定向自Nitrogen fixation process)
Schematic representation of the nitrogen cycle. Abiotic nitrogen fixation has been omitted.
A sectioned alder tree root nodule.
Equipment for a study of nitrogen fixation by alpha rays (Fixed Nitrogen Research Laboratory, 1926)
Synthetic nitrogen reduction[29]

Nitrogen fixation is a process in which nitrogen (N2) in the atmosphere is converted into ammonia (NH3). Atmospheric nitrogen or molecular dinitrogen (N2) is relatively inert: it does not easily react with other chemicals to form new compounds. The fixation process frees nitrogen atoms from their triply bonded diatomic form, N≡N, to be used in other ways.

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更新时间:2025/6/18 11:04:20