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pH value
释义
pH value
Encyclopedia
理学
土地环境统计
释
pH value
酸碱值
化学上用以衡量液体酸碱性比值的指标,即所含氢离子浓度的常用对数的负值(pH=-lg[H+])。又称pH值。
理学
pH值
释
pH value
pH值
表示水溶液酸碱性的一种标度。
Chemistry
>分析化学>化学分析>释义
pH value
pH值
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