| on comprising two different silica precursors | 6 | other |
| from the original base metal | 3 | other |
| preferably | 2 | degree |
| coating → be → based | 28 |
| coating → be → derived | 8 |
| coating → be based in → part | 4 |
| negative | neutral | positive |
| 0.095 | 0.672 | 0.233 |
| Raw frequency | 40 |
| Normalized frequency | 0.460 |
| Modifier score | 0.725 |
| Perplexity | 216.655 |