通过正交实验，研究了氢氧化钠用量、反应温度和反应时间对取代度和反应效率的影响。
The effects of reaction temperature, reaction time and amount of NaOH on the degrees of substitution of products were discussed by orthogonal test.
增大二甲基亚砜或氢氧化钠的用量都可使二茂铁产率提高并趋恒定。
The yield of ferrocene increases as the amount of DMSO or NaOH used increases, and tends to be constant gradually.
通过改变硫酸二乙酯的用量、水杨酸甲酯与氢氧化钾的反应时间、氢氧化钠的用量，得到了2-乙氧基苯甲酸的优化制备工艺条件。
The reaction conditions of 2-ethoxybenzoic acid were optimized by changing the amount of diethyl sulfate, reaction time of methyl salicylate and potassium hydroxide, the amount of sodium hydroxide.
通过改变硫酸二乙酯的用量、水杨酸甲酯与氢氧化钾的反应时间、氢氧化钠的用量，得到了2-乙氧基苯甲酸的优化制备工艺条件。
The reaction conditions of 2-ethoxybenzoic acid were optimized by changing the amount of diethyl sulfate, reaction time of methyl salicylate and potassium hydroxide, the amount of sodium hydroxide.
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