pH
| pH | |
| agric. chem. engl. | acidez actual; acidez real; pH |
| |||
| acidez actual; acidez real; pH | |||
| valor de acidez; valor del pH | |||
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pH : 40 phrases in 12 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 1 |
| Automated equipment | 2 |
| Chemistry | 15 |
| Communications | 3 |
| Earth sciences | 2 |
| Electronics | 3 |
| Environment | 4 |
| Life sciences | 1 |
| Medical | 4 |
| Pharmacy and pharmacology | 1 |
| Technology | 2 |