| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| chemical physics letters是几区 | 1.84 | 0.7 | 9516 | 75 | 33 |
| chemical | 0.89 | 1 | 3725 | 92 | 8 |
| physics | 1.42 | 0.7 | 5955 | 16 | 7 |
| letters是几区 | 0.31 | 0.9 | 2478 | 51 | 16 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chemical physics letters是几区 | 0.57 | 0.3 | 3970 | 57 |
| chemical physics letters是几区的 | 0.21 | 0.4 | 317 | 12 |
