查询词典 titania

The results of SEM and AFM show that the obtained titania powder from the solvent of distilled water and absolute alcohol is intact solid and spherical particle with smooth surface and perfect dispersibility. The crystalline size is about 300 nm.

SEM和AFM结果表明，以去离子水和无水乙醇混合液为溶剂制备的TiO2粉体为完整的买心球形颗粒，颗粒表面非常光滑，分散性比较好，粒径约为300 nm。

Preparation and photocatalytic activity of core-shell structure titania photocatalyst by alcoholysis method.

采用时间控制的手段能够在一次性生长过程中得到可控核壳结构TiO2材料。

XRD results indicated that the presence of TPA retarded the crystallization of titania and stabilized TiO2 in anatase phase.

XRD结果指出TPA的存在延迟并抑制了TiO2的晶化以及稳定了锐钛矿晶相。

The handmaiden to Titania, Queen of the Fairies, this little nymph looks beautiful with or without wings.

作为仙女之后Titania的侍女，这个小仙女看上去是如此的漂亮，无论她有没有翅膀。

In the titania-modified MCM-41, although the titania were in an amorphous state and in tetrahedral coordination rather than octahedral coordiantion, which exsists extensively in crystalline titania, they exhibited relative high photocatalytic activity for the photodecomposition of phenol.

所合成的无定形的氧化钛修饰MCM-41的光催化剂显示了较高的催化活性。

The dispersion mechanism of the dispersants was analyzed by testing the Zeta potential of the dispersion phase in the dispersion medium. It was shown that Ⅰ and Ⅱ raised obviously the absolute values of surface Zeta potential of titania particles, and NK-1 formed good solvate layers of the particles so that the nano-titania particles were stably dispersed in the water solns.

通过测定分散相在分散递质中的Zeta电位，分析了分散剂的分散机理，说明六偏磷酸钠和硅酸钠可显著提高整理液中二氧化钛颗粒表面Zeta电位的绝对值，NK-1在纳米二氧化钛颗粒表面形成良好的溶剂化层，使纳米二氧化钛颗粒在水溶液中获得优良的分散稳定性。

While in photoreduction of Cr , the titania-modified MCM-41 photocatalysts were more photoactive than the titania-silica composite (25％ TiO〓).

在光催化降解苯酚中氧化钛修饰MCM-41的光催化活性虽然不及结晶的锐钛矿相纳米氧化钛，但是仍具有较高的催化活性；在光催化还原Cr到Cr反应中氧化钛修饰MCM-41的光催化还原性明显高于部分结晶的TiO〓-SiO〓（25wt％TiO〓）复合氧化物。

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。

Dame Judi's Titania, richly dressed with a wig of flame-red hair, looks like the Virgin Queen herself, as if Elizabeth is appearing as Titania in a court production of the play, a harmless little conceit.

朱迪丹奇饰演的泰坦尼亚衣装华贵，顶着一蓬红艳艳的假发，酷似童贞女王本人，犹如伊丽莎白女王化身戏里宫廷中的泰坦尼亚，高傲自负却无伤大雅。

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。