| alternatively | 4 | degree |
| generally | 4 | degree |
| for carbon monoxide hydrogenation | 4 | purpose |
| catalyst → be → employed | 34 |
| catalyst → be → applied | 13 |
| catalyst → be placed into → use | 7 |
| catalyst → be → utilized | 6 |
| catalyst → be in → use | 3 |
| catalyst → be → performed | 3 |
| negative | neutral | positive |
| 0.063 | 0.789 | 0.147 |
| Raw frequency | 66 |
| Normalized frequency | 0.723 |
| Modifier score | 0.467 |
| Perplexity | 183.929 |