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1·Zanamivir and oseltamivir bind differently at the neuraminidase catalytic site and this contributes to different drug resistance profiles.

扎那米韦和奥塞·米韦结合在神经氨酸酶的不同催化位点，这就导致了这种耐药情况不同的发生。

2·The catalytic center of an enzyme is composed of a set of amino acids whose three-dimensional arrangement forms the active-site that allows them to efficiently bind and modify the substrate.

酶的催化中心是由一组氨基酸组成，其三维结构形成活性位点，允许它高效地结合或修饰底物。

3·Catalytic active site by the group and the combined group, who co-polymer with a three-dimensional structure.

活性中心由催化基团和结合基团，他们与高分子共同构成一个立体结构。

4·The acid site of some H-mordenites is determined and studied by the pulse catalytic chromatography poisoning method.

用脉冲催化色谱中毒法测定并研究了氢受丝光沸石酸中心及其与甲苯歧化反应的关系。

5·The influence of doping elements in A site and B site and the doping ratio on the catalytic activity of perovskite-type oxides was also respectively discussed in this thesis.

并分别深入探讨了A位和B位掺杂元素、掺杂比例对催化活性中心离子的影响。