nitrogen是什么意思_音标_用法_例句

简单释义：

n. 氮；氮气

网络 液氮；含氮；氮含量

完整释义：

n.

1.【化学】氮,氮气

例句：

1. There would be nowhere near as many people doing all sorts of other things to the planet if humans had not sped the nitrogen cycle up.
   如果人类没有加速氮循环的速度，那么就远不会有众多人对地球上做其他的各种事情。

2. Results: There was no significant difference of every-day intake of calories and nitrogen between the two groups.
   两组患者日均热卡及氮摄入量比较差异无统计学意义，营养支持耐受性好。

3. The nitrogen fertilizer dosage of the Chinese paddy rice occupied 37% of that of the whole world's.
   中国水稻氮肥用量占全世界水稻氮肥总用量的37%。

4. When the liquid nitrogen is gone, grind everything up to a fine powder.
   在液氮挥发前要把样品捣碎成细小的粉末状。

5. Liquid ammonia, mainly used as refrigerant or to make Ammonium and nitrogen, is an important yet dangerous chemical.
   液氨主要用作制冷剂及用于制取铵盐和氮肥，是化学工业中一种重要的、存在危险性的化学品。

6. X-ray photoelectron spectroscopy (XPS) shows that the reason is the increase of oxygen and nitrogen polar functional groups on the surface.
   射线光电子能谱（XPS）分析表明，这是由于涤纶表面被引入了大量含氧和含氮极性基团所致。

7. It could be concluded that the apple fruit with high nitrogen content, leading to hitter pit was an important factor for disease.
   苹果果实内氮含量过高，是导致苦痘病发生的重要因素。

8. The body is freeze-dried in liquid nitrogen, then vibrated so that it dissolves into a fine powder.
   （在这种技术中，）遗体在液氮中被冷冻干燥，之后通过振动化为齑粉。