求翻译：摘要: 安息香缩合反应是重要的有机化学实验, 影响实验的因素较复杂。本文通过反应温度、反应时间、pH、芳醛种类、反应物料的投入方式、乙醇浓度、维生素B1浓度等对安息香合成的影响进行了探讨。实验结果表明: 反应温度、反应时间、pH、维生素B1浓度是影响反应的重要因素, 而反应前是否对反应物进行冷却以及苯甲醛与NaOH溶液的投料顺序对反应的影响不大。 关键词:苯甲醛；维生素B1；安息香；缩合反应；影响因素是什么意思？

Abstract: The benzoin condensation reaction is important in organic chemistry experiment, more complex factors affect the experiment. In this paper, the reaction temperature, reaction time, ph, the impact on the benzoin synthesis of the aromatic aldehyde type, the inputs of the reactants, the concen

Summary: benzoin, response is an important organic chemistry lab experiment, impact factors is complex. This article by reaction temperature, reaction time, pH, aromatic aldehyde type, response of the material input methods, ethanol concentration, and concentration, and 1 vitamin B benzoin of the im

Abstract: The styrax condensation reaction is the important organic chemistry experiment, affects experimental the factor to be complex.This article through reaction temperature, reaction time, pH, the fragrant aldehyde type, the reaction material investment way, the ethyl alcohol density, the Vitam

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