... New secondary education structure 新高中学制 secondary pore structure 二级孔道 secondary primary structure 主、次结构系统 ...
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The Y-type zeolite with optimized secondary pore structure has an relative XRD crystallinity over 70 % and a secondary pore volume of 20-80 % by total pore volume.
一种具有优化的二级孔结构的Y型沸石及其制备方法，该沸石的XRD相对结晶度在70%以上，二级孔体积占总孔体积的百分数为20 ~ 80%。
Sedimentary facies zone and diagenesis are major affecting factors for pore reservoir structure. The growth of secondary pore zone is closely related to dissolution.
沉积相带和成岩作用是影响储层物性的主要因素，次生孔隙带的发育与溶蚀作用关系密切。
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