英语释义

• 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

片语

active nitrogen[化学] 活性氮

ammonia nitrogen氨氮；[无化] 氨型氮，氨基氮

Polypetide Nitrogen多肽氮

nitrogen balance[生理] 氮平衡

total nitrogen[肥料] 总氮，总氮量

nitrogen peroxide过氧化氮；二氧化氮

Nitrogen chemistry氮化学

nitrogen metabolism[植] 氮代谢

biological nitrogen fixation[土壤] 生物固氮；[土壤] 生物固氮酌；生物固氮作用

nitrogen content含氮量；总氮量

nitrogen concentration氮浓度

liquid nitrogen[物][制冷] 液氮

nitrate nitrogen[肥料] 硝态氮；硝酸盐氮

amino nitrogen[有化] 氨基氮

nitrogen flow氮化怜

nitrogen fixation固氮作用

nitrogen source氮源；氮源物质

nitrogen cycle[土壤] 氮循环

Nitrogen Oxide[无化] 氧化氮；氮的氧化物

urea nitrogen尿素氮；脲氮

nitrogen supply氮供应

nitrogen dioxide[无化] 二氧化氮

nitrogen fertilizer[肥料] 氮肥；氮肥肥料

nitrogen trifluoride三氟化氮

nitrogen oxide[无化] 氧化氮；氮的氧化物

Urea nitrogen尿素氮；脲氮

nitrogen treatment氮化处理

英汉例句

• nitrogen is one of the byproducts.

  氮就是其中的一个副产品。

• the capture costs of around $5 to $6 per pound of nitrogen and $25 per pound of phosphorus is about the same as other manure-management practices.

  如果一切顺利的话，其凈化的成本约为氮每磅5-6美元，磷每磅25美元，与其他肥料制造技术的成本大致相当。

• so it looks a lot less messy if we just draw our lewis structure like this for h c n, where we have h bonded to c triple bonded to n, and then a lone pair on the nitrogen there.

  这看起来整洁了不少,如果我们把氰化氢的路易斯结构画成这样的话，这样我们就有氢与碳之间的单键和碳与氮之间三键，然后还有一对孤对电子在氮这里。

• so that explains one of our glitches here, but we have another glitch, and that second glitch comes between nitrogen and oxygen.

  那么我们的第一种小偏差已经解释清楚了，但是我们还有另外一种，它在氮和氧之间发生。

• this is largely because of reductions in fertiliser use and the amount of nitrogen leaching from manure.

  这是相当大的一部分，因为可以减少施肥和从动物粪便中滤出的氮。

• he agrees that the acidifying effects of nitrogen fertilizer deserve more attention in china.

  他同样认为，氮肥的酸化效果在中国应该引起更多的关注。

• both fertilizers and manure release nitrogen into natural systems such as rivers, upsetting the natural balance.

  化肥和粪肥都释放氮到自然生态系统，如河流，从而破坏自然的平衡。

• 「if you cut down more trees than you grow, you run out of trees,」 writes gilding.「if you put additional nitrogen into a water system, you change the type and quantity of life that water can support.

  “如果你砍倒的树比你种的还多，你就会将树用光，」基尔丁写道，“如果你将额外的氮投放进一个水系，你就会改变那个水体所能维持生命的种类和数量。

• agriculture produces more greenhouse gases than all methods of transport put together, and contributes to a host of other problems, from nitrogen pollution to soil erosion.

  农业产生的温室气体比交通运输所有方式加起来还要多，并且还进一步促成了从氮污染到水土流失等许多其它问题。

• here is our accumulator which has that nitrogen overpressure which upon loss of pressure in the core would automatically insert coolant into the core should there be a break.

  这是我们的蓄电池，那已经氮过度增压,面临着在核心里压力的损失,那会自动的加入冷却剂到,核心去，然后就会产生一个破裂。

• so after each layer is deposited, nitrogen fluoride is pumped into the chamber and is split to release highly reactive fluorine atoms that clean the walls.

  所以在每层材料放置好之后，氮氟化物就被泵进工作舱中并分散开来，释放出高活性的氟原子来清洁墻壁。

• the plant requires nitrogen in order to make proteins.

  植物需要氮以便制造蛋白质。

• this radioactive form of nitrogen does not occur in nature.

  氮的这种放射性形式在自然界中不会产生。

• at the same time, farming drives much of the ecological damage humans do: from habitat loss (and decreasing biodiversity) to messing around with the cycle of nitrogen through the environment.

  与此同时，农业驱动人类对生态环境进行了诸多破坏：从栖息地丧失（和生物多样性减少）到使环境氮循环日渐混乱。

• these smaller organisms are also stimulated by nitrogen and phosphorous nutrients running off the land.

  这些较小的生物体也被从陆地流入的含氮和磷的营养物质所刺激。

• so, in order to fill our octet, what we do is put two on the nitrogen and two on the carbon.

  因此，为了填满我们的“八隅体“,我们需要将两个放到氮上，将另外两个放到碳上。

• recognizing that nutrient levels vary in the ocean, they added extra nitrogen and phosphorous to half the tubs in each group.

  研究人员认识到海洋中的水含营养成分的水平不同，他们在每一组的半数水缸中额外加入氮和磷。

• trees also depend on nitrogen to grow.

  树木也依赖于氮气才能生长。

• the planet has a relatively thin atmosphere composed mostly of nitrogen and oxygen.

  这颗行星有相对较薄的大气层，主要由氮气和氧气组成。

相似词

air通风