The former depends on catalyst chemical feature, and the latter depends on catalyst surface porous structure.
前者取决于催化剂的化学特性，而后者则取决于催化剂的表面孔结构特性。
The coke deposited due to thiophene impenetrated into all the pores and some of them could form mechanical pore on catalyst surface.
含噻吩原料加氢裂化生成的积炭，存在于不同孔径的孔中，在催化剂表面形成少量机械孔。
Useful information provided by steady state flow method can also be obtained from dynamic experiment as the concentration of the absorbed species on the catalyst surface changes with time.
在动态过程中，催化剂表面上的吸附物种浓度随时间而变化，从而可以获得稳态流动法所不能提供的信息。
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