结果表明：磷钨酸和磷钨酸铝对乳酸和正丁醇的酯化反应具有较好的活性，在适当条件下，乳酸具有较高的酯化率。
Results show that catalytic activity of lactic acid and aluminium esterification rate of lactic acid is high under optimum condition.
结果表明：磷钨酸和磷钨酸铝对乳酸和正丁醇的酯化反应具有较好的活性，在适当条件下，乳酸具有较高的酯化率。
Results show that catalytic activity of lactic acid and aluminium esterification rate of lactic acid is high under optimum condition.
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