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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。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- microbial nitrogen 微生物氮
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- microbial nitrogen removal 生物脱氮
- These compounds inhibit microbial growth. 这些化合物能抑制微生物的生长。
- Microbial ecology and molecular ecology. 微生物生态学与分子生态学。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Acidity above 7.0 suggests microbial spoilage. 酸度在7.;0以上表明面粉受到微物的腐蚀。
- Study on a Long Life BOD Microbial Sensor. 长寿命BOD微生物传感器的研究
- How do salt and sugar prevent microbial spoilage? 为何盐和糖可防止微生物腐坏食物?
- 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。
- All fermentative processes are the results of microbial activity. 一切发酵过程都是微生物作用的结果。
- Nitrogen forms about four-fifths of the atmosphere. 氮约佔大气的五分之四。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries