activity and selectivity 活性和选择性的
activity selectivity 活性选择性
catalyst activity and selectivity 催化剂的活性和选择性
catalytic activity or selectivity 催化剂活性或选择性
The results obtained from comparison tests with imported catalysts show that the catalyst has higher activity and selectivity.
对比评价表明，自制的催化剂活性及选择性高于进口的液相醛加氢催化剂。
And this paper summarizes their progress and wide use in organic reactions according to their unique non - dissolve property, acidity, activity and selectivity in recent years.
综述了近年来此类催化剂以其独特的不溶性、酸性、活性、选择性在有机合成反应中的广泛应用。
It has been found that the Ca, Mg, la ion exchanged mordenites have both high activity and high selectivity toward dimethylamine with the yield of around 55%.
发现钙、镁、镧离子交换的丝光沸石，在表现出较高活性的同时，还对二甲胺具有55%左右的高选择性。
应用推荐