Concept information
Preferred term
氮
Definition
- 一种在食品供应的植物和动物饮食中必要的营养物质。动物从含氮的化合物中获得的，特别是氨基酸。虽然空气中差不多80%的是气态氮，但非常少的生物体有能力以这种形式使用它。在微生物体已经把氮转变成之后能被吸收的氨或者硝酸盐后，更高等的植物通常能从土壤中获得它。
Broader concept
Narrower concepts
- atmospheric nitrogen load (en)
- dissolved inorganic nitrogen (en)
- nitrogen load (en)
- 有机氮
Belongs to group
Belongs to array
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URI
http://www.eionet.europa.eu/gemet/concept/5605
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