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.
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 effects of reaction temperature, reaction time, the amount of catalyst used and other related factors on the yield of ionone were investigated to obtain the optimal reaction conditions.
考察了反应温度、反应时间、催化剂用量及其它相关因素对收率的影响，确立了优化的反应条件。
Effects of the amount of the catalyst used, the reaction time and the ratio of reactants were investigated.
考察了催化剂用量、物料配比及反应时间的影响。
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