nitrogenous

1.a nitrogenous fertilizer.

氮肥。

2.ichthin A nitrogenous substance resembling vitellin, present in the egg yolk of cartilaginous fishes.

软骨鱼卵黄素个胺物质类似蛋黄素，出现在软骨鱼类的蛋黄。

3.Guanine A nitrogenous base found in DNA and RNA.Guanine has a pruine ring structure.

鸟嘌呤：是存在于DNA与RNA中的种含氮碱基，有个嘌呤环结构。

4.Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.

这样可以用氧气取代之前被氮气占据的肺泡。