名词
中文翻译：氢离子指示剂
同义词：
['hydrogen ion test indicator', 'hydrogen ion test reagent']
例句：
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1. The pH of the solutionis measured using a hydrogen ion indicator.
通过使用氢离子指示剂测量溶液的pH值。
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2. The hydrogen ion indicatorwas used to detect the presence of hydrogengas in the sample.
氢离子指示剂被用来检测样本中是否存在氢气。
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3. Thehydrogen ion indicator was used to determinethe concentration of hydrogen ions in thesolution.
氢离子指示剂被用来测定溶液中氢离子的浓度。