 |
| |||
| concentration of hydrogen ions | |||
| hydrogen-ion concentration | |||
| acidity; degree of acidity | |||
| hydrogen-ion concentration (pH); pH level | |||
| pH index | |||
| hydrogen ion concentration (рН) | |||
| hydrogen ion concentration | |||
| concentration of hydrogen ions (see pH-value) | |||
| pH (измеряемая отрицательным логарифмом) | |||
| ion concentration (CH hydrogen) | |||
| концентрация водородных ионов: 37 phrases in 22 subjects |