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中文摘要：
分别以普通的硅酸钠、硅溶胶、正硅酸乙酯和高模数比的硅酸钠（模数比为3．3）为硅源，以十六烷基三甲基溴化铵为模板剂，采用水热法合成了V-MCM-41介孔分子筛，用低温液氮吸附分析探讨了V-MCM-41分子筛的合成机制。结果表明，不同硅源均可形成中孔结构的分子筛，但制备条件差别较大，其主要原因在于硅源中的硅物种以不同的多聚体存在。
英文摘要：
V-MCM-41 mesoporous materials were synthesized by hydrothermal method with different silica sources, such as Na2SiO3 · 9H2O, colloidal silica, tetraethylorthosilicate （TEOS） and NaO. 3.3SiO2, and hexadecyl- trimethyl-ammonium bromide as template. The results of N2 adsorption were utilized to study the synthesis mechanism of V-MCM-41. It is indicated that the synthesis process was different under different silica source, owing to the different polymeric nature of Si species in different silica source.
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