| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| international conference on coal science | 1.08 | 0.4 | 3983 | 92 | 40 |
| international | 1.58 | 0.8 | 3581 | 68 | 13 |
| conference | 1.2 | 0.8 | 776 | 52 | 10 |
| on | 1.68 | 0.5 | 3048 | 33 | 2 |
| coal | 1.67 | 0.9 | 8680 | 44 | 4 |
| science | 1.83 | 0.7 | 223 | 60 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| international conference on coal science | 0.7 | 0.4 | 7492 | 10 |
