化学分析化学分析第四章酸碱滴定法pH=pKIn±1称为酸碱指示剂的变色范围 (colour change interval)pH=pKIn指示剂变色的灵敏点， 称为指示剂的理论变色点。指示剂的pKIn值不同， 变色范围不同。
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... 变色间隔：transition interval 变色范围：Colour-changing ranges 变构转变：allosteric transition ...
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指示剂变色范围 color range of indicator
色彩变化范围调整 hue range control
粒子初始颜色变化范围 StartColorVar
粒子结束颜色变化范围 EndColorVar
并对聚合条件、聚合物的结构、聚合物薄膜的变色范围以及电化学聚合机理进行了详细的研究。
Research on the polymerization conditions, polymer structure and color changing ranges of the films were carried out in detail.
探讨了一本教材中关于酸碱指示剂作用原理的理论变色范围探讨，指出了该教材在理论变色范围推论中存在的问题。
Discussed a reason discoloration range of acid-base indicator function reason in a text book, pointed out some discoloration reason problems in the book.
选用的复配增塑剂有利于热塑加工，拉宽熔点和分解点之间的范围，并防止变色。
The selected compound plasticizing agent is beneficial to hot plastic working, widens the range between the fusion point and the decomposition point and prevents discoloration.
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