| 1. | Fast neutrons are also captured by nitrogen .
快中子也可以被氮吸收。 |
| 2. | Will you sunder nitrogen from air ?
你能从空气中把氮气分离出来吗？ |
| 3. | Sample gas tubes are flushed with nitrogen .
采气管得用氮气吹扫。 |
| 4. | The main reservoir of nitrogen is the atmosphere .
氮的主要蓄存库是大气层。 |
| 5. | Nitrogen is the most commonly used gas .
氮气是最常用的气体。 |
| 6. | Air consists chiefly of nitrogen .
空气主要由氮气组成。 |
| 7. | The plant requires nitrogen in order to make proteins .
植物需要用氮来制造蛋白质。 |
| 8. | Nitrogen dioxide and ozone may cause pulmonary edema .
二氧化氮和臭氧可以引起肺水肿。 |
| 9. | Nitrogen enters into the structure and forms aminoacids .
氮素进入植物体而构成氨基酸。 |
| 10. | The basic nitrogen compounds include pyridines and quinolines .
碱性氮化物包括吡啶和喹啉。 |
