| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free energy surface | 1.4 | 0.8 | 5014 | 30 | 19 |
| free | 0.19 | 0.4 | 9056 | 20 | 4 |
| energy | 0.05 | 0.9 | 4175 | 40 | 6 |
| surface | 0.07 | 0.9 | 7515 | 100 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free energy surface | 1.09 | 0.4 | 5609 | 84 |
| free energy surface tension definition | 1.71 | 0.5 | 9046 | 71 |
| what is surface free energy | 1.44 | 0.3 | 2738 | 43 |
| surface free energy definition | 1.37 | 0.9 | 4128 | 37 |
| surface free energy calculation | 0.22 | 1 | 2354 | 7 |
| surface free energy formula | 0.36 | 0.9 | 9135 | 70 |
| surface free energy and surface tension | 0.86 | 1 | 4716 | 91 |
| surface free energy and contact angle | 1.02 | 0.6 | 2031 | 92 |
| free surface energy | 1.98 | 0.7 | 2715 | 12 |
| surface free energy measurement | 0.26 | 0.2 | 2756 | 63 |
