amount of catalyst 3 催化剂用量
amount of catalyst used 催化剂用量
optimum amount of catalyst 最佳催化剂用量
increasing amount of catalyst 增加催化剂的用量
amount of the catalyst 催化剂用量
A proper amount of catalyst will speed up the reaction.
添加适量的催化剂，会加快反应的速度。
Again here, yield is low; high operating temperature and large amount of catalyst are needed.
再次在这里，产量低；高操作温度和大量的催化剂需要。
It was also proved that the amount of catalyst and temperature could influence the reaction rate.
升高反应温度，加大催化剂用量均有利于封闭反应的进行。
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