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单词 Biological nitrogen fixation
释义

Biological nitrogen fixation

英语百科

Nitrogen fixation

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:2025/6/22 5:39:04