| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| principle of dissolved oxygen | 1.47 | 0.8 | 5831 | 100 | 29 |
| principle | 1.89 | 0.6 | 4614 | 12 | 9 |
| of | 1.28 | 0.4 | 8999 | 8 | 2 |
| dissolved | 1.42 | 0.8 | 325 | 31 | 9 |
| oxygen | 0.85 | 0.6 | 1451 | 10 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| principle of dissolved oxygen | 1.77 | 0.8 | 2847 | 12 |
