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pH是什么意思？

pH

英[ˌpi: ˈeɪtʃ]
相关单词 a song of triumphablatographacalephaccelerographacromorphactinographaddressographAdolphaerocartographaerographaerometeorograph
例句
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英语四级真题
  • Jody has a Ph.D.in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.
    出自-2016年6月听力原文
  • Jody has a Ph.D. in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.
    出自-2016年6月听力原文
英语六级真题
  • There are more than 600,000 professional social workers in the country, and we all either have a bachelor’s degree, a master’s degree or a Ph D in social work.
    出自-2016年12月听力原文
  • There was a time not long ago when new science Ph.
    出自-2013年12月阅读原文
  • Partly this is a result of how bleak the academic job market is, but there's also a rising awareness of career options that Ph
    出自-2013年12月阅读原文
  • One critical step that could help to drive change would be to require Ph.
    出自-2013年12月阅读原文
  • In science, graduate students and new Ph
    出自-2013年12月阅读原文
  • What do we learn about new science Ph.
    出自-2013年12月阅读原文
  • What does the author say about America's Ph
    出自-2013年12月阅读原文
柯林斯高阶英汉双解学习词典释义
英英词典释义
  • Noun
    1. (chemistry) p(otential of) H(ydrogen); 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
行业词典
  • 医学： pH值：为溶液的氢离子浓度〔H＋〕或活性与一定标准溶液的相关符号，pH大致等于以体积克分子浓度表示的H＋浓度的负对数。pH 7为中性，高于此数碱性增加，低于此数酸性增加；
    机械： 血液；传感器 blood pH transducer 能感受血液中氢离子活度并转换成可用输出信号的传感器。；