有效氮的英文怎么说
2012-07-09 01:31
有效氮的英文:
available nitrogen
adj. 可用的,可获得的,有效的
- be found or available.
被发现或者可利用的。 - Very little data is available.
现有的资料十分不足。 - They should have plug details available.
他们要补充自己所知道的细节。 - The availableness of medicine is obvious .
药的效用是明显的。 - No relief drivers were available.
没有换班的司机。
n. 氮
- Nitrogen narcosis (or nitrogen euphoria or raptures of the deep):Effects of breathing nitrogen under increased pressure.
氮麻醉(亦称氮欣快或深水销魂):在压力增高的条件下吸入氮气所产生的生理效应。 - Nitrogen as a plant nutrient is treated in a great number of publications.
人们对植物营养中的氮素研究已发表相当大量的报告。 - Elemental nitrogen is a very unreactive and inert material.
元素氮是一个十分不活跃的惰性物质。 - Cyanide can serve as precursor for the amide nitrogen of asparagine
氰化物可以作一个天门冬酰胺的酰胺氮前体。 - There is plenty of nitrogen in the air but it cannot be absorbed directly by the plants.
空气中有大量的氮,但植物不能直接吸收。