known addition
| method
| known addition | |
| f.trade. | 已知量加人法; 特定量的已知浓度的待测离子加到样品中 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 已知量加人法; 特定量的已知浓度的待测离子加到样品中 | |||
|
known addition : 2 phrases in 1 subject |
| Chemistry | 2 |