... 知觉的选择性 selectivity of perception 催化剂的选择性 selectivity of catalyst 电解质的选择性 selective of electrolyte ...
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Result showed that both the activity and selectivity of catalyst could meet the demand of industrial design.
结果表明催化剂活性、选择性等达到工业设计要求。
Its advantages include high activity and selectivity of catalyst, easy separating and reuse of catalyst, and low cost.
且催化剂颗粒较大，易于从反应产物中分离，催化剂可重复使用，明显降低了生产成本。
The Zn modified catalyst has not improve the selectivity of catalyst for thiophene in model gasoline containing octene.
不同的金属离子改性表明：1。采用锌离子对催化剂进行改性，没有提高催化剂在烯烃存在时对噻吩的选择性。
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