Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Romanian
⇄
Arabic
Basque
Bulgarian
Catalan
Chinese
Croatian
Czech
Danish
Dutch
English
Estonian
Finnish
French
German
Greek
Hungarian
Irish
Italian
Latvian
Lithuanian
Norwegian Bokmål
Polish
Portuguese
Russian
Slovak
Slovene
Spanish
Swedish
Turkish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
azot organic
environ.
有机氮
(动植物食品供给的基本养分。动物获取含氮化合物,特别氨基酸。虽然空气含有接近80%的气体氮,但很少有生物有能力以此形式使用它。通常在微生物已将氮转化成氨水或硝酸盐后,高等植物从土壤中获得它并能吸收。氮的这种转换,称为固氮,对形成氨基酸即蛋白质的构件,起着至关重要的作用。)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips