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cresol
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甲芬
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详细解释：
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以下为句子列表：
英文: Synthesis methods for p-hydroxybenzaldehyde are reviewed and their advantages and disadvantages are briefly compared, to conclude that direct p-cresol oxygenation is a good method, with calm reaction, simple operation, high yield, high purity and little t
中文: 叙述了对羟基苯甲醛的各种合成方法，并对各种方法的优缺点作了简要对比，认为对甲酚直接催化氧化法反应平稳、操作简单，收率和纯度高，三废量少，是一种很有前途的合成方法。
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英文: The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o-ckesolphthalein and thymol blue, as well as their the colour-changing ranges were studied by spectrophotometry.
中文: 摘要探讨了表面活性剂氯化十六烷基吡啶形成的胶束对溴百里香酚蓝、甲酚红、邻甲苯酚酞和百里香酚蓝离解反应的离解常数的影响，同时，也研究了该表面活性剂对上述四种酸碱指示剂变色范围的影响。
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