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Solid superacid catalyst was prepared by sol-gel method; its catalytic activity was investigated to synthesis of n-butyl acetate.

采用溶胶-凝胶法制备了固体超强酸催化剂，考察它们在酯化反应中的催化活性。

The mixture of CP-Sb〓O〓 sol with organic bromide of tetrabromo bisphenol A is rather stable in the alcohol solvent.

CP-Sb〓O〓溶胶与四溴双酚A阻燃剂在乙醇溶剂中均匀混合，具有良好的相容性。

Compared with G1 synthesized from 1,2,4,5-benzene tetracarboxylic acid and 4hydroxy pyridine at molar ratio of 1:2,G2 gelled water at higher minimum gelator concentration and gave the gel with lower gel-to-sol dissociation temperature at the same concentration.

相对于在摩尔比1：2条件下，由均苯四甲酸和对羟基吡啶合成的凝胶因子G1，在相同浓度下，G2在更高的最低凝胶因子浓度使水凝胶，并且得到的凝胶具有更低的凝胶-溶胶破坏温度。

The normal method was through the hydrolysis and poly-condensation process of tetravalent metal alkoxides and inside which rare earth dopants are simply performed by dissolving salts into initial sol, thus makes matrices being introduced a higher percent of hydroxyl groups, affects the resulting luminescence efficiency and balance of two phases.

普通的方法为将稀土盐导入金属烷氧基化合物的溶胶然后水解缩聚，这使得金属离子分离的最小化过程受限以及含羟基过多，极大影响了发射效率和两相均衡。

In the presence of a catalyst, ethyl silicate was mixed with ethanol-water solution to form silica sol, which was impregnated into Alnus nepalensis and Tilia amurensis wood as soon as possible.

文章摘要：在催化剂存在下，使正硅酸乙酯与乙醇-水溶液混合制备硅醇溶胶，迅速将其分别注入到西南桤木和紫椴木材中，令其在室温下反应100min左右得到木材-凝胶，然后采用超临界干燥技术制备木材-SiO2气凝胶。

Basing on these conclusions, Polyimide/silica composite material films with different silica contents have been prepared by sol-gel approach, and the characters were tokened; Ethanol/water mixture were separated using PI film based on pervaporation, the changing relations of permeation flux, separation factor and concentration, temperature were studied.

在上述试验基础上，采用溶胶-凝胶法制备不同SiO_2含量的PI/SiO_2复合薄膜，对其性能进行了表征；利用制备的PI薄膜渗透汽化分离乙醇/水溶液，研究了渗透通量和分离因子随料液浓度和温度的变化关系。

The nano ZnO powders are prepared by citric acid and triammonium citrate by sol-gel method.

以柠檬酸和柠檬酸三铵为络合剂，利用溶胶－凝胶法制备ZnO微粉。

This study proposes to coat these CIGS thin film bases under the non-vacuum. In this process, synthesis nano-sized alloy powder is turned into trihydric compound paste of CIS by using Sol-Gel in the first step. An array of CIGS thin film absorbing layer was produced on Soda Lime glass through screen-printing.

中文摘要本文提出以非真空制程的涂布方法制备CIGS薄膜吸收层，将具备奈米等级的多元合金粉末利用溶胶-凝胶制备三元化合物的CIS前驱层浆料，以网版印刷式於钠玻璃基板上制作CIGS薄膜吸收层。

Poly silica hybrids were prepared through polymerization, condensation and sol gel processes of the mixture of methyl methacrylate, poly and a small amount of coupling agent methacryloxylpropyl trimethoxy siliane in tetrahydrofuran.

采用溶胶-凝胶技术，以硅酸钠为原料制备聚硅酸/四氢呋喃溶胶，再与甲基丙烯酸甲酯及少许偶联剂甲基丙烯酰氧丙基三甲氧基硅烷(MPTMS 混合，经聚合、缩合和溶胶-凝胶过程制备了有机/无机两相间有— C—Si—O—键的杂化材料——聚甲基丙烯酸甲酯/二氧化硅(PMMA/Si O2 )。

Using tetrabutyl titanate and methyl methacrylateor 2-Hydroxyethylmethacrylate (HEMA as materials, methacryloxylpropyl trimethoxy siliane as coupling agent, HCl as catalyst, Poly-titania（PMMA－TiO2） nanocomposites and Poly-titania（PMMA－TiO2） nanocomposites were synthesized by sol-gel process.

以盐酸作为催化剂，将钛酸四丁酯水解制备二氧化钛（TiO2）溶胶；随后将所制备溶胶与甲基丙烯酸甲酯、硅烷偶联剂（γ－甲基丙烯酰氧丙基三甲氧基硅烷）相混合，以过氧化苯甲酰作为引发剂，经过聚合、缩合和溶胶-凝胶过程，制备了均匀透明的PMMA-TiO2纳米复合材料和PHEMA－TiO2纳米复合材料。

The French are not suggesting a new EU treaty, but they have plenty of other wheezes.

法国人并不是在建议签署一个新的欧盟条约，但他们有许多其他的阴谋。

This letter was written by my brother.

这封信是我弟弟写的。