| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [num] [noun] | 1685 |
|
| 2 | [vb past] at [num] [noun] | 302 |
|
| 3 | centrifuge at [num] [noun] | 45 |
|
| 4 | centrifuged [prep] [num] [noun] | 31 |
|
| 5 | centrifuged at [adj] [noun] | 21 |
|
