钛矿

钛矿原料与中国的钛白工业

Titanium ore and titanium dioxide industry in China

钛矿直接还原法或许是生产高钛铁的一种更合理的方法；

The direct reduction method of titanium ore may be a reasonable process for production of ferrotitanium with high titanium .

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；

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

PET表面锐钛矿-板钛矿相TiO2薄膜的制备及表征

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

通过单因素法考察了影响TiO2板钛矿晶相形成的原因。

Influence on the formation of Brookite TiO2 phase is studied by single-factor method .

XRD结果显示制备的TiO2膜为金红石相与板钛矿相的混合晶型。

The results of XRD showed that the TiO2 film was mixed crystal of rutile and brookite .

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。

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

XRD和TEM结果表明，板钛矿相TiO2颗粒是由多个纳米微晶组成的聚集体。

XRD and TEM revealed that the particles of brookite TiO2 were composite particles assembled or combined by nanocrystalline .

单一板钛矿相TiO2微晶的制备

Preparation of Brookite TiO_2 Micro-crystals with Single Phase

随着水热反应温度的升高和水热反应时间的延长，板钛矿相TiO2的晶粒逐渐长大。

With the increase in hydrothermal temperature and hydrothermal time , the crystallite size of brookite TiO2 increased accordingly .

采用X射线荧光光谱仪测定钛矿，研究了利用混合熔剂系统制样方法，测定精度及制样精度。

With X ray fluorescence spectrograph to determine titanium mineral , the method to make specimen with mixed flux system , determination precision and specimen-making precision are researched .

XRD的表征结果显示，焙烧温度升高，锐钛矿型TiO2转化成金红石型，且在700℃下有铁板钛矿生成；

The XRD patterns indicate that anatase TiO 2 transforms to rutile at elevated temperature , and pseudobrookite is formed at 700 ℃ .

板钛矿和锐钛矿TiO2对水热合成Bi4Ti3O（12）微结构的影响

The influences of brookite and anatase TiO_2 on the microstructure of Bi_4Ti_3O_ ( 12 ) synthesized by a hydrothermal method

通过TG－DTA的测定和X射线衍射分析，表明TiO2胶粉末在500℃时已转变成锐钛矿结构，600℃时锐钛矿与金红石结构两相并存，到800℃时全部转化为金红石结构。

The measurements of TG-DTA and X-ray diffraction showed that the TiO2 gel powder transformed to anatase at 500 ℃ and transformed totally to rutile via anatase at 800 ° C.

TiO2有三种不同的晶型，锐钛矿，金红石，板钛矿。

It is well known that titanium dioxide exists in three crystalline polymorphs , namely anatase , rutile , and brookite , and that different type of TiO2 crystals has different application prospects .

随热处理温度的增加，TiO2薄膜的晶相由无定型态转变成锐钛矿，最后在850℃热处理后完全转变成金红石相，且TiO2薄膜在经过紫外光的照射后亲水能力增强。

TiO_2 thin films transformed into from amorphous phase anatase with increasing temperature , and at last transformed into rutile by heat treatment about 850 ℃ . And the hydrophilicity of TiO_2 thin films was enhanced by irradiation of ultraviolet radiation .

实验结果表明，M3dTiO2纳米粒子的颗粒较均匀，粒径约为15nm，其晶型为锐钛矿和板钛矿的混晶。

The results show that the size of M 3 d TiO 2 nanocrystalline particles was quite uniform and the radii were about 15 nm .

氟的引入不但有效抑制了板钛矿相TiO2的生成，还从整体上提高了锐钛矿相TiO2的晶化度；样品中的氟主要分布在TiO2表面，以化学吸附态为主，并伴有少量的间隙氟。

The presence of fluorine not only suppressed the formation of brookite phase , but also improved the crystallinity of anatase phase . The fluorine atoms mainly distributed on the surface of TiO2 , and existed in both forms of chemical - adsorption and interstitial-doping .

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。

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 .

本文对TiO2的同质多象变体：金红石、锐钛矿、板钛矿和铌铁矿结构型TiO2-Ⅱ分别进行了群论分析，并对实测拉曼光谱进行了归属讨论。

In this paper , the TiO_2 polymorphs : rutile , anatase , brookite and columbite-type TiO_2 - ⅱ were analysed respectively according to the group theories , and the Raman spectra of these phases measured at ambient conditions were discussed for their assigment .

当AgNO3浓度高于0.03M时，Ag-TiO2复合薄膜由锐钛矿、金红石、钣钛矿、金属银颗粒组成，它们的晶粒尺寸范围在5-30nm。

When AgNO_3 concentration was higher than 0.03 M , the prepared samples consisted of anatase , brookite , rutile and metal silver nanocrystal particles , and their grain size ranges were 5-30 nm .

文中亦给出了板钛矿基态特性的结果。

The results on the ground-state properties of brookite are reported .

水热条件对板钛矿相二氧化钛微结构的影响

Effect of Hydrothermal Conditions on the Microstructure of Brookite Titanium Dioxide

用二安替吡啉甲烷光度法测定钛矿中二氧化钛

Determination of Titania in Ti Ore with DAM Luminosity Method

晶型有锐钛矿型、板钛矿型和金红石型。

Its crystal type have anatase , brookite and rutile .

浅谈立足我国钛矿资源生产钛白粉的工艺

Process of titanium white production on China titanium ore resources

攀西钒钛矿资源的开发和利用

Exploitation and utilization of V-Ti-magnetite resources in Western Panzhihua

钛矿开采的环境问题及其治理

The Environmental Problems and Treatment to Mine Ilmenite

振动流化床中水平换热管与粗钛矿传热特性的研究

Heat Transfer Characteristics between Particulate Ilmenite and Horizontal Tubes in an Aerated Vibrated Fluidized Bed

金黄色铁板钛矿结晶釉的试制

Trial-production of Golden Yellow Ilmenite Crystal Glazes