Toggle navigation
汉字检索表
公共服务接口
管理离线字典
ph
英汉字典
英英字典
解释
同义
ph
ph scale
词性
n
解释
(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)
示例
None