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- Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear. 对于把氮肥施在植物残体覆盖层以下是否会减少氮的固定,这个问题目前尚不清楚。
- 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。
- nitrogen immobilization 固氮
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Plaster was used for fixation and immobilization. 石膏固定。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Fractures often impose a greater need for strict immobilization. 骨折迫使病人需要有严格的固定。
- 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。
- 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。
- Immobilization culture of a marine microalgae Dunaliella sp. 盐藻固定化培养的初步研究。
- Experiments in Kentucky tend to show the same degree of immobilization when nitrogen is placed on crop residue or when placed below the residue layer. 但肯塔基的试验结果似乎表明:无论把氮肥施在植物残体上还是施在覆盖层下,氮的固定程度相同。
- This part provides two efficiency methods for ssDNA immobilization. 该研究为单链DNA的固定提供了有效的新方法。
- Nitrogen forms about four-fifths of the atmosphere. 氮约佔大气的五分之四。
- Why should a state of such deep immobilization ever have evolved? 为什么如此深固定的状态应该曾经已经进展?