nitrogen

nitrogen什么意思,nitrogen翻译

基本解释

n.: 氮；氮气
网络: 液氮；含氮；氮含量

权威解释

• 氮；氮气:

  a chemical element. Nitrogen is a gas that is found in large quantities in the earth"s atmosphere.

英汉解释

• 【化学】氮,氮气

例句

• In areas of poor soils, within two years of cultivation, synthetic nitrogen and mineral fertilizers have to be applied heavily.

  在土壤养分贫乏的地区，经过两年内的种植后就必须很大量应用合成氮肥与矿物肥料。

• The stem cells had been removed when the embryo was a few days old and were stored in tanks of liquid nitrogen.

  在受精卵只有几天大的时候，他们提出去这些干细胞，并将其储存在液氮容积中。

• The concentrations of nitrogen dioxide and ozone also exceed the objectives for a few days in a year.

  二氧化氮及臭氧的浓度，每年也有几天超出了空气质素指标。

• 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。

• 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。

• If this did not occur there would be none of the heavier elements. No carbon, no nitrogen, no life.

  如果这个不发生，就没有任何的更重的元素。没有碳，没有氮，没有生命。

• Melamine has no nutritional value but is high in nitrogen, making products with it appear higher in protein.

  三聚氰胺没有营养价值，却富含能提高产品蛋白质含量的氮元素。

• Insufficient amounts of nitrogen gas, they say, will limit plant growth regardless of how much extra carbon dioxide is available.

  他们说，不论有多少额外的二氧化碳可供植物吸收，氮气的不足将限制植物生长。

• And I"m going to ask, after I reach equilibrium, what is the partial pressure of nitrogen hydrogen and ammonia?

  我想问，当达到平衡后，氮气，氢气和氨气的分压，分别是多少？

• Since the 1960s the amount of fertiliser used by farmers has increased sixfold, and not all of that extra nitrogen ends up in their crops.

  自从1960年代，农夫使用的肥料增加了六倍，而且并不是所有氮肥都被农作物吸收；