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本文应用模糊集合理论和计算机研究百里酚酞-茜素黄R混合指示剂的变色现象。发现其变色存在滞后现象。讨论了产生滯后现象的原因。
In this paper, the fuzzy set theory and computer research thymolphthalein - alizarin yellow R mixed indicator discoloration. Found that there is lag in the color change. Discusses the reasons for the hysteresis.