skip to main content
PREFERRED TERM
 
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
IN OTHER LANGUAGES

Armenian

Azerbaijani

Basque

Bulgarian

Catalan

Croatian

Czech

Danish

Dutch

English

Estonian

Finnish

French

Georgian

German

Greek

Hungarian

Icelandic

Irish

Italian

Latvian

Lithuanian

Maltese

Norwegian

Polish

Portuguese

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Turkish

Ukrainian

URI
http://www.eionet.europa.eu/gemet/concept/5605
Download this concept:
RDF/XML TURTLE JSON-LD Created 2004/9/8, last modified 2004/9/8