结焦机理 和“择形性”(Shape selectivity)间的关系。颗粒内(_p=1mm)及微晶内(_c=1μm)的扩散影响均能用Weist～Prater 判准在温度450～550℃及甲苯的液时空速 WHSV=4.1...
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Whereas the discovery of zeolites exploited a new area of catalysts, because zeolites not only have regular structures which causing shape-selectivity,but also can be loaded,modified to introduce new functions,moreover,they are always robust and recyclable.
分子筛催化剂不仅具有择形性,还可以经负载、修饰,增加新的功能,呈现出高原子利用率、多次重复利用等均相催化剂所不具有的催化功能,从而提高反应的效率。
参考来源 - 基于MWW型沸石的双功能催化材料的设计合成和应用·2,447,543篇论文数据，部分数据来源于NoteExpress
为满足研究沸石分子筛择形选择性的需要，对分子尺寸的估算进行了探讨。
To meet the needs for study the shape selectivity of zeolite molecular sieves, an approach for estimation of molecular dimensions was developed.
骨架呈负电性，具有可交换的阳离子，被广泛用作吸附剂、催化剂和催化剂载体，是一种具有优异择形选择性、热稳定性和湿热稳定性的新型催化材料。
SAPO is a novel class of catalytic materials which exhibit excellent shape selectivity, thermal stability and hydrothermal stability, which can catalyze hydrocarbon reactions.
类水滑石化合物又称阴离子粘土，具有离子可交换性，又有孔径可调变的择形吸附的催化性能，是一种具有广阔应用前景的层状材料。
Hydrotalcite, also named anionic clays, is a kind of pillared clay materials with broad applications because of its properties of exchangeable anion and adjustable pore size.
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