pinnavaia meaning in English

平纳瓦亚

Even though hms can be prepared much more easily than mcm - 41 and has certain advantages such as thicker framework walls , superior thermals stability , and a smaller crystalline size . hms have more recently been shown to possess wormhole - like or sponge - like framework structure rather than the long - range hexagonal framework structures characteristics of electrostatically assembled mcm - 41 . the wormhole channel motif is a potentially important structure feature for favorable catalytic reactivity , in part , because channel branching within the framework can facilitate access to reactive sites on the framework walls . furthermore the wormhole channel motif suggest that they could serves as ideal hosts for rational nanomanufacturing
1995年， tanev和pinnavaia报道，用中性模板剂合成了一类新的六方介孔固体( hms ) ，它具有不同于用静电路径合成的mcm - 41介孔固体的物理和化学性能，如制备工艺简单、孔壁厚、热稳定性好和晶粒尺寸小等。 hms还具有蜂巢或海绵状结构特征，而不象mcm - 41那样是长程有序的六方结构。这种蜂巢或海绵状结构特征除有利于催化反应，反应物易于接近孔壁上的反应位外。