金红石的

This sapphire is well-known because of its mineral rutile and the asterism, which is caused by the reflection of incoming light on a three-fold mineral pattern in the stone.

这蓝宝石是众所周知的，因为它的矿物金红石和星群，这是造成的入射光进行为期3倍的反思，石矿物模式。

1The nanocrystalline TiO2 film is prepared by sol-gel and appearance of the film is observed by SEM. The X-ray graph shows the film has lots of anatase and a few rutile TiO2, but does not have brookite TiO2. The average diameter of particle is 25nm according to Scherrer formula.

采用溶胶-凝胶法制备了纳米晶二氧化钛薄膜，通过扫描电镜观察了其形貌，X射线衍射表征显示出制备的薄膜具有大量的锐钛矿晶型和少量的金红石晶型，不含有板钛矿晶型，根据Scherrer公式计算出薄膜的晶粒的平均尺寸为25nm。

Nanosized titania particles consisting of anatase, rutile and brookite phases were synthesized under solvothermal conditions with different alcohols as solvents, hexamethylene tetramine as precipitant as well as precursor of titanium trichloride.

采用不同的醇溶剂，以六亚甲基四胺为沉淀剂，以TiCl3为前驱体，通过溶剂热的方法控制合成出纳米级的锐钛矿型、金红石型和板钛矿型的二氧化钛。

As for rutiles, red rutiles are homogeneous in composition while black ones bear ilmenite exsolution lamellae of up to 2 μm in thickness.

目前的资料表明该矿为角闪岩相的变质岩，但要确定该金红石矿的原岩属性还需要更为深入的研究。

In the protein adsorption and osteoblast culture in vitro, more surface hydroxyl groups and higher polar component of surface energy led to more protein and cell adsorbed, and higher cellular activity.

在本论文中，通过金红石二氧化钛膜、锐钛矿二氧化钛膜、含钙的钛表面、含磷的钛表面和Ti-羟基磷灰石涂层的表征，结合羟基磷灰石沉积、蛋白质吸附和细胞体外培养，研究了钛的表面表征与生物活性的关系。

It is concluded that existence of the lamellae causes color difference between these two rutiles.

代县金红石矿床的岩石地球化学特征为：高TiO_2含量的样品中SiO_2含量主要位于基性岩区，MgO与TiO_2之间也无明显的相关关系，但当TiO_2含量大于2％时MgO的含量均大于16％。

The samples were characterized by XRD、TEM、XPS and UV-VIS diffraction spectrum.

Ce4+掺杂TiO2纳米光催化剂的制备及反应活性研究用简单的水热方法制备了Ce4+掺杂的锐钛矿和金红石相TiO2样品，并对其光催化活性进行了考察。

The rutile TiO2 powder photocatalyst was prepared by hydrolysis process, and it was coated with WO3 by dipping process using tetrabutyl titanate (C16H36O4Ti) as raw material. The catalysts were characterized by XRD, Raman spectra, TEM and diffuse reflectance UV-Vis spectra.

以钛酸丁酯为钛源，采用水解法制备金红石型TiO2粉体，用浸渍法将制备的TiO2粉体包覆不同浓度的WO3（记为WO3-TiO2），并采用X射线衍射、拉曼光谱、透射电镜和紫外－可见漫反射光谱等手段对所得的光催化剂进行了表征。

The rutile TiO2 powder photocatalyst was prepared by hydrolysis process, and it was coated with WO3 by dipping process using tetrabutyl titanate(C16H36O4Ti) as raw material. The catalysts were characterized by XRD, Raman spectra, TEM and diffuse reflectance UV-Vis spectra.

摘 要：以钛酸丁酯为钛源，采用水解法制备金红石型TiO2粉体，用浸渍法将制备的TiO2粉体包覆不同浓度的WO3(记为WO3-TiO2)，并采用X射线衍射、拉曼光谱、透射电镜和紫外可见漫反射光谱等手段对所得的光催化剂进行了表征。

The TiO2 particles were characterized by TEM, XRD and BET. The result shows the product is quasi spherical rutile titania nanoparticles with stable product quality. The nanotitania powders can be prepared with different sizes and even dispersion by controlling reaction conditions. This method is simple and may be employed to prepare rutile nanocrystals without heat treatment.

经透射电子显微镜、X-射线衍射和比表面分析，得到的样品为金红石型，其粒子近似呈球形，通过控制反应条件可以得到不同粒径的分散均匀的纳米二氧化钛粉体。

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。