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.
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.
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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