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pH

US [ˌpi ˈeɪtʃ]
UK [ˌpiː ˈeɪtʃ]
  • abbr.(=public health)公共卫生
  • n.pH 值(溶液或物质的酸碱度。pH 值介于 0 至 14,7 以下为酸,7 以上为碱)
  • Web硷值;酸度;氢离子浓度
ph
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n.
1.
pH 值(溶液或物质的酸碱度。pH 值介于 0 至 14,7 以下为酸,7 以上为碱)a measurement of the level of acid or alkali in a solution or substance. In the pH range of 0 to 14 a reading of below 7 shows an acid and of above 7 shows an alkali .
a pH of 7.5
pH 值 7.5
to test the pH level of the soil
测试土壤的酸碱度

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