综述间规聚丙烯复杂的多晶型现象以及各晶型的结构特点。
The complex polymorphism and the structural characteristic of various crystal forms are reviewed in syndiotactic polypropylene.
晶间非晶相的微结构不同于完全非晶，并随淬速的变化而改变。
The microstructure of the intergranular amorphous phase is different with that of the complete amorphous.
根据现代关于晶间界面的研究可知，晶界和相界多具有二维周期结构。
According to the recent studies on interfaces in crystals, it is evident that most grain boundaries and phase boundaries have two dimensional periodic structures.
膨润土胶体中膨润土以“准晶”状动态存在，准晶间以“边-面”和“边-边”的共同作用形成“卡房式”三维网络状凝胶结构。
In bentonite colloid, the quasicrystals is dynamic and the house-of-cards structure is made from the quasicrystals by edge-to-face and edge-to-edge forms.
采用普通干燥法制备得到的复合氧化物具有较低的孔体积和比表面积，颗粒间团聚较严重，但无“孤岛”状大颗粒，晶相为无定型结构。
But the CeO2-TiO2 mixed oxides prepared by conventional drying method show lower pore volume and surface area with serious aggregation, and amorphous phase compared to the corresponding aerogels.
采用普通干燥法制备得到的复合氧化物具有较低的孔体积和比表面积，颗粒间团聚较严重，但无“孤岛”状大颗粒，晶相为无定型结构。
But the CeO2-TiO2 mixed oxides prepared by conventional drying method show lower pore volume and surface area with serious aggregation, and amorphous phase compared to the corresponding aerogels.
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