| mostly | 8 | degree |
| from polymer thin films | 4 | other |
| up of thousands of hollow fibres | 4 | other |
| membrane → be → made | 47 |
| membrane → be → created | 14 |
| membrane → be → generated | 3 |
| membrane → be made in → way | 3 |
| negative | neutral | positive |
| 0.101 | 0.770 | 0.129 |
| Raw frequency | 67 |
| Normalized frequency | 0.588 |
| Modifier score | 0.883 |
| Perplexity | 485.898 |