concentration (activity) of hydrogen ions in water solution or fluid phase of soil. A. is specified by pH (a negative log of the hydrogen ions' activity).
Qidiruv
«Acidity (of natural waters, soils)» boʻyicha 1 ta natija: Oʻzbekchaga
«Acidity (of natural waters, soils)» boʻyicha 1 ta natija: Oʻzbekchaga
concentration (activity) of hydrogen ions in water solution or fluid phase of soil. A. is specified by pH (a negative log of the hydrogen ions' activity).