溶胶

Crystalline and amorphous nano-Al_2O_3 powder were synthesized by room-temperature hydrolysis method and direct oxidic method respectively, and nano-SnO_2 powder was produced by sol-gel technology. Their microstructure features and growth behavior of crystal grain were studied in detail, and corresponding model and theory were put forward to explain them.

采用室温水解法和直接氧化法分别获得了晶态和非晶态纳米Al_2O_3粉，采用溶胶-凝胶法制备了纳米SnO_2微粉，研究了它们的微结构特征与晶粒生长行为，并提出了相应的模型与理论去解释。

So oxyfluoride materials are highly desirable materials for optical amplification, up-conversion lasers and display devices.

本论文，我们采用溶胶—凝胶法成功制备了一系列Er~(3+)掺杂的透明纳米LaF_3—SiO_2玻璃—陶瓷样品。

Nanocrystalline Pb(Zr0.52Ti0.48)O3 was prepared from lead acetate, zirconium oxynitrate and tetrabutyltitanate by a sol-gel method.

以醋酸铅，硝酸氧锆，钛酸四丁酯为原料用溶胶－凝胶法制备了纳米Pb(Zr0.52Ti0.48)O3。

XRD shows that the peptizer has no influence on the crystal structure of nanometer alumina.

XRD分析表明溶胶剂对粉体的晶型没有影响。

Alumina sols of different content were prepared by using Al3 as precusor, water as solvent, nitric acid as peptizer, ethylacetoacetate and polyvinylpyrrolidone as modified menstruum. We used dip-coating method and spin-coating method prepared of alumina films on the plane glass and used dip-coating method and rising liquid method inside the wall of the fiber.

以仲丁醇铝为前驱物、水为溶剂、硝酸为胶溶剂、同时加入乙酰乙酸乙酯和聚乙烯吡咯烷酮作为改性剂制备了不同浓度的氧化铝溶胶用提拉法和旋覆法在平板玻璃上镀膜，同时用提拉法和液面上升法在石英毛细管内壁上镀膜。

The traditional method such as high temperature solid phase method, sol- gel method and combustion method adopted to prepare red long-lasting phosphoresce were introduced.

及传统的高温固相法以及溶胶-凝胶法、燃烧法等稀土红色长余辉材料的制备技术，提出了对红色长余辉材料今后发展的看法。

The photoactive TiO2 was deposited on the surface of magnetic particles using sol-gel coating technique to prepare a novel nanometer-sized magnetic photocatalyst TiO2/SiO2/Fe3O4,and were characterized by means of XRD and TEM,with analysis of effects of calcining temperature and time,catalyst amount as well as radiant time on papermaking wastewater degradation.

采用溶胶-凝胶法，在磁性颗粒表面包覆TiO2，制备了易于固液分离的磁载光催化剂TiO2/SiO2/Fe3O4，通过XRD和TEM对产物的晶体结构、晶粒大小、形貌进行了表征，讨论了焙烧温度、焙烧时间、催化剂用量和光照时间等对TiO2光催化剂处理造纸废水的影响。

The results showed that in this experiment condition the optimal preparation condition for TiO2 films which have better photoactivity was found to be: TiO2 sol concentration 0.7mol/l, the amount of PEG 0.5g, coating cycles 3, heat-treated terms 480 C, Ih.

研究结果表明：在本实验条件下，具有较好光催化活性的TiO_2薄膜的最佳制备条件为：TiO_2溶胶的浓度为0.7mol／1，聚乙二醇的加入量为0.5g，镀膜层数为3，热处理温度为480℃，保温1h。

TiO2 photocatalyzer supported on glass were prepared with sol-gel method. The photocatalytic degradation of methylene blue was studied including the effect of the factors such as reaction time, the initial concentration and pH value on the photocatalytic degradation.

采用溶胶－凝胶法制备了玻璃负载的TiO2薄膜光催化剂，研究了该催化剂对亚甲基蓝溶液的光催化降解，考察了反应时间、水样的初始浓度、溶液的pH等对光催化降解效果的影响。

At present, film photocatalytic is studied mostly for treating with water pollution. Because the film will not bring the secondary pollution, and can be used again. ZnO film and TiO_2 film is mostly used as photocatalyzer, but they have some disadvantage, as they can only absorb little of the sun-light energy, the photoluminescence exciton compounds mostly, and they can be eroded easily by light. Complex semiconductor film is a good method to ravel out these problems.

目前，在光催化治理水污染方面，膜的光催化是一个研究的热点，因为膜催化不存在二次污染且便于回收和重复利用，研究较多的是ZnO薄膜和TiO_2薄膜，但是单一组分的薄膜存在光能利用率低，光激子复合率高，易发生光腐蚀等缺点，复合膜是解决该问题的有效途径，我们提出了全新的复合薄膜的制备方法—混合溶胶法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。