pH

单词音标

pH音标[pi:eitʃ]

汉语翻译

氢离子指数

【医】 药典; 苯基

英语解释

名词 ph:

(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);

同义词：pH scale

例句

That word is spelt with a PH, not an F.

那个字里的f音拼作PH而不是F。

详细解释

pH

n.Chemistry （名词）【化学】

A measure of the acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity and decreasing with increasing acidity. The pH scale commonly in use ranges from 0 to 4.

酸碱度：溶液酸性或碱性的度量，数值等于7的为中性溶液，数值增大表示碱性增大，数值减小表示酸性的增大。PH值范围一般在0到4之间

来源：

p(otential of) h(ydrogen)

p(otential of) h(ydrogen)