p.h.

• 每小时

p.h.的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 ph:

1. (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);