| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] centrifuged at [num] [noun] | 15 |
|
| 2 | [be] centrifuged at [num] [noun] | 15 |
|
| 3 | be centrifuged at [num] [noun] | 15 |
|
| 4 | were centrifuged at [num] [noun] | 8 |
|
| 5 | was centrifuged at [num] [noun] | 7 |
|
| 6 | centrifuged at [num] [noun] for | 17 |
|
| 7 | centrifuged at [num] [noun] [prep] | 17 |
|
| 8 | centrifuged at [num] [noun] [prep] | 17 |
|
| 9 | centrifuged at [num] [noun] for | 17 |
|
