| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| specific heat of methane | 1.9 | 1 | 9756 | 15 | 24 |
| specific | 1.99 | 0.8 | 3521 | 94 | 8 |
| heat | 1.44 | 0.4 | 6792 | 7 | 4 |
| of | 0.48 | 0.6 | 7259 | 64 | 2 |
| methane | 1.84 | 0.9 | 7941 | 84 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| specific heat of methane | 1.84 | 0.8 | 9025 | 17 |
