目的：探讨羟基乙酸化学脱皮治疗妇女黄褐斑的疗效和安全性。
Objective: To evaluate the efficacy and safety of glycolic acid chemical peeling in the treatment of female melasma.
摘要在前人研究工作的基础上，应用乙酸进行硅酸聚合胶凝的实验研究，实验结果表明，当硅酸溶液中有乙酸化合物时，硅酸聚合胶凝的时间将延长。
In this paper studying on the polymerization reaction in silicic acid solution is determined and the gel time of poly silicic acid is obtained when acetic acid compound exist.
黑麦面团的发酵可通过使用乳酸菌和乙酸菌来酸化面团来完成。
Rye dough leavening is achieved by a sour dough formulation which includes lactic and acetic acid bacteria.
考察了物料配比、反应温度、酸化还原的时间及酸化还原时采用不同的酸四因素对合成巯基乙酸收率的影响，确定了最优化的反应条件。
In the course of the experiment we study conditions of four factors, for example material proportion, reduction reaction temperature, reaction time and sorts of acid.
考察了物料配比、反应温度、酸化还原的时间及酸化还原时采用不同的酸四因素对合成巯基乙酸收率的影响，确定了最优化的反应条件。
In the course of the experiment we study conditions of four factors, for example material proportion, reduction reaction temperature, reaction time and sorts of acid.
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