anatase

Why add phosphoric acid in anatase titanium dioxide?

阐述了在生产锐钛型钛白粉颜料中,加入磷酸的目的、量、钛白粉的影响,以及加入磷酸的方法.

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Results of XRD, TEM, and UV/ vis spectra show that there are in-site anatase crystals contained in the sol, which are 150 nm-width squares. Thus the powders drying the sol at room temperature show an anatase pattern, without any further heat treatment.

通过XRD、TEM和UV/vis测试得知，溶胶中含有原位自生长的、边长约150nm的正方形锐钛矿晶体，所以溶胶在常温下干燥后所得粉体，无需高温热处理即为锐钛矿晶型；

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At the same time the relative content of anatase and rutile can be determined by the intensity of main peak in TiO2 XRD patterns.

同时通过XRD对主峰衍射强度的测定可以确定TiO2重量中各晶型的含量。

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Its crystal type have anatase, brookite and rutile.

晶型有锐钛矿型、板钛矿型和金红石型。

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The structure of the synthesized product was discussed by XRD analysis; proved that the products belong to the Department of tetragonal anatase structure. TEM observation of samples used for the disordered morphology of mesoporous materials, can clearly see that the vermiculate ostium.

利用X-ray衍射仪进行物相分析，证明产品为四方晶系锐钛矿结构，用TEM观察样品形貌为无序介孔材料，可以很清楚地看到蠕虫状的无序孔道。

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Pulverization of anatase titanium dioxide pigment

锐钛型钛白颜料的粉碎

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Experimental results indicated that the product of hydrolysis was anatase-TiO 2.

结果表明,水解产物为含水的锐钛矿型二氧化钛.

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The domestic representative producers, product trademarks and applications in coatings industry for anatase titanium dioxide and rutile titanium dioxide are proscribed.

列举了有代表性的国产锐钛型和金红石型产品生产企业、产品牌号及在涂料工业中的应用。

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Before occurrence of the second peak appears, there exists slow transition from brookite to anatase.

在B峰出现前，样品中存在板钛矿向锐钛矿的缓慢转变过程；

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Anatase nano-TiO2 sol was prepared at low temperature with titanium tetrachloride and ammonia water as raw material.

以四氯化钛和氨水为原料，在低温下制备锐钛矿型纳米TiO2溶胶。

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Finally, the mechanism of anatase-rutile phase transition with some brookite is simply analyzed.

最后对TiO2纳米晶中含有的板钛矿相对锐钛矿金红石相转变的作用机制进行了简要的分析。

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Preparation and Characterization of Anatase-Brookite TiO_2Film on the PET Surface

PET表面锐钛矿-板钛矿相TiO2薄膜的制备及表征

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The Cr-doped in anatase was believed to increase the surface deficiency which enhanced the erosion procedure, leading to the drum-like crystals.

Cr掺杂引起表面空位增多，使得刻蚀增强，形成腰鼓形锐钛矿单晶。

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In the TiO 2/ muscovite nanocomposite, TiO 2 coating layer contains both rutile and anatase, but rutile is dominant.

对于TiO2/白云母纳米复合材料，TiO2纳米镀层仍然是以金红石相占优势的金红石、锐钛矿的混合相。

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The presence of low amount of Yb3+ in TiO2 can inhibit the phase transformation from anatase to rutile, suppress the growth of TiO2 grains, raise the specific surface area, and improve the high temperature stabilization of pores in the composite nano-powders as well.

低量Yb3+掺杂可以抑制TiO2由锐钛矿相向金红石相的转变，阻碍TiO2晶粒的生长，改善粉体的表面织构特性，提高高温组织稳定性。

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XRD results show that the anatase phase of titanium dioxide films can be fabricated at 400 ℃, and at this temperature, the deposited tantalum oxide and silicon dioxide were amorphous.

对制备的薄膜进行XRD测试表明，在基片温度为400℃时能制备出TiO2薄膜晶体，结构为锐钛矿型，而在此温度下，SiO2和Ta2O5却只能得到非晶态的结构。

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Anatase solution and inorganic agglutinant such as low-temperature glaze and silica gel were used to prepare antibacterial ceramic tile in the third chapter.

第三章研究了利用锐钛矿型二氧化钛浆料及无机黏结剂如低温釉和硅胶制备杀菌陶瓷；

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In the case of anatase, higher light powers generated higher photocurrent values at high applied voltages.

对于锐钛矿薄膜, 当施加较高的外电压时,越高的光功率会产生越大的光电流.

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The ceramic film is mainly composed of rutile and anatase TiO2, and titanium had the strongest diffraction peak.

陶瓷膜主要由金红石相和锐钛矿相Ti02组成，最强衍射峰来自基底钛。

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The resulting three-component system exhibited an anatase/ rutile ( weight ratio of 73.8/ 26.2) mixed phase structure, narrower band gap ( 2.25 eV), and extremely small particle sizes ( ca. 12 nm) with metallic Ag particles well-distributed on the surface of the composite.

所得三元体系为锐钛矿与金红石混合晶相结构，锐钛矿相与金红石相质量比为73.8/26.2，带隙能窄化到2.25eV，Ag纳米粒子均匀分散在粒子尺寸约为12nm的复合物表面。

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TiO 2 film with anatase crystallite and porous structure was available by controlling the preparation conditions.

通过控制制备条件得到的TiO2薄膜具有锐钛晶型和多孔性结构.

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The results show that TiO 2 crystal type and specific surface area of the membrane are the important factors affecting the hydrophilicity of the photocatalytic antifogging membrane. The water contact angle is decreased with increasing the specific surface area and the content of anatase.

结果表明，光催化抗雾膜的亲水性受控于TiO2的晶型和膜比表面，大比表面和高锐钛矿含量可降低膜对水的接触角。

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Crystalline titania films ( anatase and rutile) with excellent in vitro bioactivity were deposited through interactions of titanium and hydrogen peroxide solutions containing trace tantalum chloride under temperatures lower than 100 ℃.

利用含微量TaCl5的双氧水溶液在低于100℃温度下与钛金属之间的化学反应，在钛金属表面直接生成具有良好生物活性的锐钛矿与金红石混合结构晶态二氧化钛薄膜。

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The transparent anatase TiO_ ( 2) thin films on glass plate substrates were prepared from the PTA sol heated at 500 ℃ for 30 min.

以PTA溶胶为前驱体，在玻璃片上经500℃热处理30min制备了透明的锐钛矿相TiO2光催化薄膜。

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The anatase and rutile TiO_2 porous films were prepared directly on the surface of pure titanium by constant voltage and constant current anodic oxidation using sulphuric acid, pure titanium and pure copper as electrolyte, anode and cathode, respectively.

以硫酸为电解液，纯钛（TA1）为阳极，铜片为阴极，以恒压和恒流阳极氧化方式在钛表面直接获得锐钛型和金红石型TiO2多孔膜。

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A stable nanometered TiO_2 colloids were prepared from the hydrolysis of titanyl organic compounds by controlling the reaction conditions. The X-ray diffraction and scan electro microscopy ( SEM) revealed that the colloidal TiO_2 was in an anatase crystalline particle form with a diameter of 12 nm.

控制钛氧有机物水解条件合成稳定的纳米二氧化钛胶体，X射线衍射和扫描电子显微镜研究表明，该胶体的胶粒为锐钛矿型晶体，晶粒大小约12nm。

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The formation of the drum-like crystals was attributed to a balance between the erosion and precipitation of anatase single crystallites.

腰鼓形锐钛矿晶体的形成归因于锐钛矿单晶溶解&沉积平衡。

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Nano-sized TiO2 particles with anatase structure were synthesized by hydrolysis of titanium tetrachloride. The adsorption of polyethylene glycol ( PEG) on to the particle surfaces was investigated in aqueous suspensions.

通过四氯化钛水解法制备纳米TiO2，讨论聚乙二醇（PEG）在其水悬浮体系中的吸附行为。

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After calcination at 500℃ for 2 h, 0.5 % ( in mole percent ) Pr 3 +-TiO 2 powders show that the nanocrystalline TiO 2 with anatase phase.

样品经500℃焙烧2h后, 0.5% ( 摩尔分数,下同 ) Pr3+-TiO2纳米粉末为单一的锐钛型结构.

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Nitrogen-doped TiO_2 nano-sized powders were prepared by the mechanochemical reaction method on 600 r · min~ (-1) milled 2 hours and calcined using anatase TiO_2 as raw material and hexamethylenetetramine ( HMT) as N source.

以锐钛矿型TiO2为原料，HMT（六亚甲基四胺）为掺杂N源，采用机械化学法经过600r.min-1×2h高能球磨，后续以焙烧处理，合成了N掺杂纳米TiO2粉末。

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