世纪中文出版社

array(1) { [0] => &array(22) { ["doi"] => string(0) "" ["doiwz"] => string(0) "" ["id"] => string(5) "69202" ["name"] => string(67) "溶胶-凝胶法合成纳米多孔SiO2-TiO2块材的化学稳定性" ["includes"] => string(3) "0-2" ["time"] => string(10) "2025-03-19" ["click"] => string(3) "394" ["soziding1"] => string(47) "汪秀全陈奇宋鹂李会平陆剑英" ["soziding2"] => string(74) "溶胶-凝胶法；有机-无机杂化；多孔SiO2-TiO2；化学稳定性" ["soziding3"] => string(51) "华东理工大学无机材料系，上海，200237" ["soziding4"] => string(0) "" ["soziding5"] => string(18) "纳米技术研究" ["soziding6"] => string(0) "" ["soziding7"] => string(2) "63" ["soziding8"] => string(0) "" ["soziding9"] => string(4) "2019" ["soziding10"] => string(1) "3" ["qitaduanzhi"] => string(21) "{"doi":"","doiwz":""}" ["tupian"] => string(0) "" ["jieshao"] => string(0) "" ["miaoshu"] => string(651) "以正硅酸乙酯、钛酸正丁酯和聚乙二醇等为主要原料,采用溶胶-凝胶法成功合成了多孔SiO2-TiO2系块状材料.500℃焙烧2h后材料呈现非晶态结构.引入较多钛量时,使材料的孔径分布变窄、平均孔径下降,但增加了比表面积.在80℃热水中浸泡72小时以后,吸附-脱附曲线的类型和形状几乎没有变化;随着Ti含量的增加,比表面积和孔容积的变化率减小.多孔材料在98℃的20%硫酸溶液中重量损失率随Ti含量变化不大,Ti引入并不能提高材料在酸液中的耐蚀性;但引入Ti使多孔材料在95℃NaOH碱液中的耐蚀性明显改善。" ["soziding20"] => string(0) "" } }

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