nitrogen
英 [ˈnaɪtrədʒən] 美 [ˈnaɪtrədʒən]

n.

[化]氮，氮气；

双语释义

n.(名词)

1. [U]〈化〉氮 a gas that is a simple substance, without color or smell, that forms most of the Earth's air

英英释义

nitrogen[ 'naitrədʒən ]

• n.a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues

  同义词：Natomic number 7

词汇搭配

用作名词 (n.)形容词+～

• colorless nitrogen无色气体

～+名词

• nitrogen dioxide二氧化氮
• nitrogen fixation固氮法
• nitrogen oxide氧化氮

词组短语

ammonia nitrogen氨氮；氨型氮，氨基氮

nitrogen content含氮量；总氮量

total nitrogen总氮，总氮量

nitrogen fertilizer氮肥；氮肥肥料

liquid nitrogen液氮

nitrogen oxide氧化氮；氮的氧化物

nitrogen source氮源；氮源物质

nitrogen fixation[化]固氮作用

nitrate nitrogen硝态氮；硝酸盐氮

urea nitrogen尿素氮；脲氮

nitrogen metabolism氮代谢

nitrogen concentration氮浓度

amino nitrogen[化]氨基氮

nitrogen dioxide[化]二氧化氮

nitrogen supply氮供应

nitrogen balance[生化]氮平衡

biological nitrogen fixation生物固氮；生物固氮酌；生物固氮作用

nitrogen cycle氮循环

nitrogen flow氮化怜

nitrogen treatment氮化处理

更多收起词组短语

双语例句

用作名词(n.)

1. Air consists chiefly of nitrogen.
   空气主要由氮气组成。
2. The lamp is full of gaseous nitrogen.
   灯里充满了气体氮。
3. Nitrogen is a gas without colour or smell.
   氮是一种无色无臭的气体。
4. Nitrogen forms most of the Earth's air.
   地球上空气的大部分成分是氮气。
5. If it were not for oxygen and nitrogen in the air, no man could live on the earth.
   大气中如果没有氧和氮，人就无法生存于地球了。

权威例句

Total carbon and nitrogen in the soils of the world
A nitrogen-gas-stream cryostat for general X-ray diffraction studies
The Other Global Pollutant: Nitrogen Proves Tough to Curb
The Dissociation Constant of Nitrogen-Nitrogenase in Azotobacter
Visible-light photocatalysis in nitrogen-doped titanium oxides.
Nitrogen-doped carbon nanotube arrays with high electrocatalytic activity for oxygen reduction.
EXOTIC PLANT INVASION ALTERS NITROGEN DYNAMICS IN AN ARID GRASSLAND
Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil
The Determination of Pore Volume and Area Distributions in Porous Substances. I. Computations from Nitrogen Isotherms
ChemInform Abstract: GROUND STATES OF MOLECULES. 39. MNDO RESULTS FOR MOLECULES CONTAINING HYDROGEN, CARBON, NITROGEN, AND OXYGEN