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ammonium n | |||
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ammonium n |
ammonium: 215 phrases in 14 subjects |
Agriculture | 16 |
Chemistry | 159 |
Coal | 2 |
Communications | 1 |
English | 5 |
Environment | 4 |
Food industry | 5 |
General | 6 |
Health care | 1 |
Industry | 9 |
Medical | 2 |
Metallurgy | 1 |
Natural sciences | 1 |
Pharmacy and pharmacology | 3 |