1) primary and secondary building units
初级和次级结构单元
2) primary structure units
初级结构单元
1.
Mesoporous materials with the primary structure units of zeolite in the pore wall have been synthesized by a two-step crystallization process at 140 ℃ and characterized by XRD, N 2 physical adsorption/desorption, TEM, IR and NH 3-TPD methods.
采用两步晶化法合成了孔壁含沸石初级结构单元的六方介孔材料 ,用XRD ,N2 吸附 -脱附 ,TEM ,IR和NH3 TPD对样品进行了表征 ,考察了晶化时间、碱度、温度和NH+ 4离子交换对样品的影响 。
3) secondary building unit
次级结构单元
1.
Y-MCM-41 containing secondary building units of Y zeolite was prepared and then treated by ion exchange method.
制备了含有Y沸石次级结构单元的Y-MCM-41,并对其进行离子交换处理。
4) zeolite secondary building units
沸石次级结构单元
1.
Synthesis of mesoporous MCM-48 containing zeolite secondary building units and it′s catalytic properties;
孔壁含有沸石次级结构单元的MCM-48的合成及催化研究
5) secondary building unit of Y zeolite
Y沸石次级结构单元
6) secondary building units of L zeolite
L沸石次级结构单元
1.
06)as the template and the gel containing secondary building units of L zeolite as the precursors.
以极低浓度n(CTAB)∶n(SiO2)=0 06的阳离子表面活性剂十六烷基三甲基溴化铵(CTAB)为模板,以具有L沸石次级结构单元的溶胶为前驱体,在碱性条件下合成介孔分子筛L MCM 41。
补充资料：镁铬质耐火材料基质结构单元显微结构
镁铬质耐火材料基质结构单元显微结构
镁铬质耐火材料基质结构单元显微结构
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条