 |
| |||
| 同位素丰度 | |||
| 同位素分丰度 | |||
| |||
| 天然同位素丰度 | |||
| isotopic abundance: 8 phrases in 6 subjects |
| Chemistry | 1 |
| Desert science | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nuclear and fusion power | 1 |
| Technology | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips