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cation exchange : 35 phrases in 13 subjects |
Agriculture | 8 |
Analytical chemistry | 1 |
Chemistry | 7 |
Construction | 2 |
Earth sciences | 1 |
Environment | 1 |
Food industry | 2 |
General | 1 |
Genetics | 3 |
Life sciences | 2 |
Natural resourses and wildlife conservation | 5 |
Natural sciences | 1 |
Water supply | 1 |