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- Regulating the diet to reduce the fecal nitrogen excretion 通过日粮调控降低犬排泄物中的臭气
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- metabolic fecal nitrogen 代谢粪中氮
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- total fecal nitrogen 总粪氮(量), 粪内总氮量
- fecal nitrogen 粪氮
- Ileal digestibility is more accurate than fecal. 回肠消化率比粪消化率准确。
- Full of foul or impure matter;fecal. 污秽的充满臭的或不净的东西;糟粕的
- Voluntary control over urinary and fecal discharge. 自控对大小便的自发控制。
- Full of foul or impure matter; fecal. 污秽的充满臭的或不净的东西;糟粕的
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- A dark green fecal material that accumulates in the fetal intestines and is discharged at or near the time of birth. 胎便汇集于腹部小肠中的一种深绿色渣滓物,并在出生时或将近出生之时排出
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Fast neutrons are also captured by nitrogen. 快中子也可以被氮吸收。
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。