对影响得率的因素如反应物配比、催化剂量、反应时间和温度分别进行了讨论。

The factors that affect the yield were discussed, which were reactant ratio, catalyst, reaction time and temperature of transglycosylation.

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氢化苯甲酸甲酯和乙酯时，应用催化剂量多少，似对产量无影响，惟对氢化作用速度有关系。

The amount of catalyst used for the hydrogenation of methyl benzoate and ethyl benzoate did not affect the yields, but affected the speed of hydrogenation.

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张说，只要这些催化剂的剂量控制在每平方公里0.5%以内，将不会对环境造成影响。

Zhang said the catalysts have no direct impact on the environment as long as the doses are kept within 0.5 gram per square kilometer.

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