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pH AHD[pēʹāchʹ] D.J.[ˈpiːˈeɪtʃ]K.K.[ˈpiˈetʃ]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 14.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14之间
- p(otential of) h(ydrogen) p(otential of) h(ydrogen)
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