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| exchange cations | |||
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| exchange cation; exchangeable cation | |||
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обменные катионы : 9 do fraz, 8 tematyki |
| Agrochemia | 2 |
| Chromatografia | 1 |
| Elektronika | 1 |
| Geologia | 1 |
| Gleboznawstwo | 1 |
| Nanotechnologia | 1 |
| Technika i technologia | 1 |
| Zasoby naturalne i ochrona dzikiej przyrody | 1 |