| 1. | Fast neutrons are also captured by nitrogen . 快中子也可以被氮吸收。 |
| 2. | The detector tube is filled with nitric oxide . 检测管中充满了氧化氮。 |
| 3. | The main reservoir of nitrogen is the atmosphere . 氮的主要蓄存库是大气层。 |
| 4. | Hydrazoic acid in liquid form is very dangerous . 处于液态的叠氮酸是很危险的。 |
| 5. | The plant requires nitrogen in order to make proteins . 植物需要用氮来制造蛋白质。 |
| 6. | Nitrogen enters into the structure and forms aminoacids . 氮素进入植物体而构成氨基酸。 |
| 7. | Guanyl azide is then isomerized to aminotetrazole . 随后,叠氮化脒异构化生成氨基四氮杂茂。 |
| 8. | Among the blue-green algae are many species of nitrogen fixation . 许多种蓝藻有固氮的能力。 |
| 9. | Mycorhizae perform the function of nitrogen fixation and storage . 菌根起着固氮和贮氮的作用。 |
| 10. | Elemental nitrogen is a very unreactive and inert material . 元素氮是一个十分不活跃的惰性物质。 |