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When weig ht percentage of TiO 2 sol was10%-20%,the coating showed a good hydrophilicity after UV irr adiation for30～60min or sunlight irradiation for2～5hours. The hydrophil ic angle lowered to about 4degree and the surface of coated layer had the featu re of self-cleaning.

在TiO2溶胶质量分数为10%～20%时，该液体在基板上形成的涂层具有很好的超亲水特性，在UV光照射30～60min或阳光照射2～5h后，亲水角可低至4°左右，涂层表面呈现自洁特性。

The porous TiO2 anatase nanometer thin films were prepared from alkoxide solutions containing polyethylene glycol by sol-gel method.

锐钛矿型多孔TiO2纳米薄膜可以从含聚乙二醇的钛酸盐溶胶前驱体中通过溶胶-凝胶法制备。

The porous TiO2 anatase nanometer thin films were prepared from alkoxide solutions containing polyethylene glycol PEG by sol-gel method.

锐钛矿型多孔TiO2纳米薄膜可以从含聚乙二醇PEG的钛醇盐溶胶前驱体中通过溶胶-凝胶法制备。

The porous TiO2 anatase nanometer thin films were prepared from alkoxide solutions containing polyethylene glycol by sol-gel method.

锐钛矿型多孔TiO2纳米薄膜可以从含聚乙二醇的钛醇盐溶胶前驱体中通过溶胶-凝胶法制备。

For decreasing the quantity of the organic solvent and saving the environment, this paper is focused on the preparation of stable TiO2 sol by using titanium alkoxide as precursor and water as solvent while adding acetic acid for the purpose of moderating the rate of hydrolysis.

溶胶-凝胶处理可以在织物的表面形成复杂的氧化物网络结构，这层凝胶固着在织物的表面，改表纤维的表面化学性能，赋予织物一定的功能性。

The polarization fatigue mechanism and the effect of donor doping Bi〓 on ferroelectric properties of PZT thin films are also revealed. The system of zirconium oxynitrate—tetrabutyl titanate—lead acetate anhydrate—ethylene glycol is adopted to prepare stable PZT sol.

本文采用X射线衍射分析、X射线光电子谱分析、透射电镜、原子力显微镜、扫描电镜、红外光谱分析以及铁电性能测试等研究了溶胶-凝胶法制备PZT铁电薄膜的成胶机理及PZT铁电薄膜的微结构、界面结构及铁电性能，并考察了施主掺杂Bi〓对薄膜铁电性能的影响规律，提出了铁电极化疲劳机制。

Fe-ion doped TiO2 was immobilized on solid support stubstrates-SiOa using sol-gel method. The photocatalytic efficiency of the TiO2 coating was compared with nanosize powders using the degradation of benzophenol in a aqueous solution as a standard test system, the photocatalytic efficiency was found to markedly increase.

采用溶胶凝胶法制备了硅胶附载的掺杂不同量铁离子的二氧化钛薄膜，用XRD，Raman，SEM的手段进行了表征，证明该条件下制备的二氧化钛为锐钛矿相，薄膜在硅胶表面的成膜效果较好，但有一定程度的龟裂，通过光催化实验发现催化效率与纳米粉相比有明显的提高。

Combining the template and sol-gel method, the bipyramid crystal TiO2 photocatalysis material was synthesized using cotton template.

本文采用模板法与溶胶－凝胶法结合，以脱脂棉为模板制备出了TiO2中空微管光催化材料。

When boronic acid or boron powder was introduced into silica sol, a β-SiC/B composite powder was obtained by the same method.

在原料中引入硼酸或硼粉后，还获得了不需要任何外加烧结助剂就能致密烧结的β-SiC/B复合粉末，达到了先进水平。

SO〓〓/M〓O〓 solid superacid was applied to the photocatalytic oxidation of organic pollutants for the first time. Porous SO〓〓/TiO〓 solid superacid catalysts with high specific surface area were prepared by sol-gel method. The photocatalytic degradation of bromomethane was used as model reaction. The influence of impregnation with H〓SO〓 solution on the structure of catalysts and their photocatalytic performance was systematically studied by using X-ray diffraction, X-ray photoelectron spectroscopy, N〓 sorption analysis applying BET method, UV-Vis diffuse reflectance spectroscopy, FTIR spectroscopy, O〓-TPD and photocatalytic activity measurement. The acidity of TiO〓-based catalysts was investigated by Hammett indicator method, NH〓-TPD and IR spectra of pyridine adsorbtion. The mechanism of superacidifing effects on photocatalytic performances such as the photocatalytic degradation rate of bromomethane, apparent kinetic constant and apparent quantum efficiency was discussed.The results indicated that SO〓〓 is combined with metal ions of TiO〓 in a chelating bidentate mode.

本文首次将SO〓〓/MxOy型固体超强酸催化剂用于光催化氧化有机污染物研究，采用溶胶-凝胶法制备了具有多孔性和大比表面结构的二氧化钛基固体超强酸光催化剂SO〓〓/TiO〓，以光催化降解溴代甲烷为模型反应，系统地研究了H〓SO〓浸渍处理对催化剂表面酸性及其气相光催化性能的影响，结合XRD、BET、XPS、FTIR、Hammett指示剂法、吡啶吸附红外光谱、NH〓-TPD、O〓-TPD、紫外可见漫反射光谱等多种表征手段，深入地讨论了超强酸化对TiO〓的改性机理，阐明了引起SO〓〓/TiO〓超强酸催化剂光催化降解溴代甲烷的转化率、表观反应速率常数和表观量子效率变化的本质原因。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。