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| acidité ionique pH | |||
| concentration des ions d’hydrogène (voir valeur pH) | |||
| ph m; concentration en ions d'hydrogène; potentiel hydrogène | |||
| концентрация ионов водорода: 7 phrases in 5 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Food industry | 1 |
| Geology | 1 |
| Oil and gas technology | 3 |