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- 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。
- nitrogen cavitation 氮成穴
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Cavitation can be caused by a variety of reasons. 气穴可以由各种原因引起。
- Cavitation is noisy and easily detected by sonar. 空泡现象是有噪声的并且容易被声纳探测到。
- It explores the most conditions of cavitation. 探索了最优空化强化条件。
- 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。
- 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。
- Areas of necrosis and cavitation may occur within the tumor. 肿瘤内可以有坏死和成腔区。
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。
- This is the basis of the phenomenon called cavitation. 这就是所谓汽蚀现象的根据。
- Nitrogen forms about four-fifths of the atmosphere. 氮约佔大气的五分之四。
- The total diameter of cavitation, if present, is less than 4cm. 若出现空洞,其直径总和小于4厘米。
- What is the content of the crude nitrogen. 污氮的含氧量是多少?