氧化钛

The test result which through degrading fatty amine flotation collectors separate by Fenton oxidation, titanium dioxide supported on stilbite photocatalytic oxidation or UV/H2O2/air oxidation method indicates that UV/H2O2/air oxidation method which degradation rate and mineralization degree are very high is the most suitable for degrading fatty amine flotation collectors, and it reacts peaceably, operate simply, consume low energy consumption.

通过Fenton试剂氧化法、辉沸石负载型二氧化钛光催化氧化法和UV/H2O2/air氧化法分别降解脂肪胺浮选捕收剂的试验结果表明，UV/H2O2/air氧化法最适于降解脂肪胺浮选捕收剂，其降解率和矿化程度都很高，且反应条件温和、操作简易、能耗低。

In chapter three, various theories and experience on the dispersion of nano-powders proposed by former researchers were generalized and reviewed. Technical standards and experimental process for determining technological parameters were suggested for the dispersion of nano-scaled metal oxides in aqueous medium according to their surface wettability, surface charge, the dependence of surface charge on pH and the compatibility of surfactants with pH and pH adjusting agents. Based on these suggested standards and experimental method, highly stable and dispersive aqueous suspensoid of nm-ZnO, nm-TiO〓, nm-Co〓O〓 and nm-MnO powders were prepared successfully and surface modification on these nano-powders was also achieved.

本文第三章通过大量的文献调研，归纳总结了前人在纳米粒子分散技术方面的理论和经验，并在此基础上根据纳米氧化物粉体的表面润湿性、表面电性及其与分散介质pH值的关系、表面活性剂及其与pH调节剂的配伍关系设计了纳米氧化物水分散体系的工艺规范以及确定工艺参数的通用实验步骤，成功地制备了纳米氧化锌、纳米二氧化钛、纳米氧化钴和纳米氧化锰的高稳定分散悬浮液并实现了干粉体的表面改性，为纳米材料在氧化锌压敏电阻中的应用创造了第二个前提条件。

In addition, it is assumable that the electrons returning to Au will cause the degradation of driving force to capture free electrons from TiO2. As a result, the recombination of electron-hole pairs tends to be increased.

另外，苯乙硫醇将电子回传给金时，造成金吸引二氧化钛电子的趋动力下降，减低捕捉二氧化钛自由电子的能力，增加电子电洞对复合的机率。

With the same content of templates,the pore diameter of the generated material withglycerol as template is bigger than the one with pentaerythrite. The photocatalytic degradationof phenol,methyl orange and dodecylbenzene—sulfonate are studied.

利用所制得的中孔纳米二氧化钛粉体应用于甲基橙、苯酚和十二烷基苯磺酸钠的模拟废水溶液的处理中，探讨了二氧化钛的降解特性和光催化效率的影响因素。

Titanium dioxide has been extensively used as photocatalyst in nowadays. But aggregation between nanoparticles results in a lower photoactivity.

目前奈米二氧化钛光触媒应用已相当广泛，但奈米粉体之间因为容易发生团聚的现象，而降低奈米二氧化钛的效能。

In this paper, the photocatalytic activity and its factors of effect of modified nano-TiO_2 by different modified methods.

本论文通过对二氧化钛不同方法的改性研究了改性二氧化钛的光催化活性及其影响因素。

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。

This study used precipitation method to synthesize titania gel, and then the gels were aged for various time to get two kinds of titania: unaged and aged gels.

本研究利用沈淀法制得二氧化钛胶体。部分胶体再利用陈化制程处理获得未陈化及陈化处理之两种二氧化钛。

At first, the method of preparing nanometer doped TiO2 by the hydrolyzing Ti4 was investigated.

为了提高二氧化钛的催化活性，本文对二氧化钛的掺杂进行了研究。

Use SEM/EDX, TEM and XRD instrument to determine the basic characteristic of the photocatalyst, and apply the photocatalyst to decompose methyl blue solution to discuss with its performance and functions.

用铜属本身捕获二氧化钛光生电子的能及其变价特性，有效减少电子电再结合的机，因此经过属改质的二氧化钛光触媒具有佳的光催化效果，藉由SEM/EDX、TEM与XRD等仪器鉴定此光触媒之基本特性，并将其应用於分解亚甲基溶液以探讨其光催化分解性能。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。