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氧化钛

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It is easy to prepare TiO〓 nanoparticles with anatase, rutile, brookite and the mixture of anatase and rutile structures respectively through control of temperature and the ratio of /.

控制/比和反应温度可方便地制备锐钛型、金红石型、板钛矿型以及金红石型与锐钛型混合二氧化钛颗粒。

In our best cases in ilmenite, isotopic variation in 46TiO/48TiO the within run (1000 sec) scatter was only 0.7%(1σ), which is within factor of 2 of statistics limit. And the reproducibility in the case of 46TiO can be as good as ≦1%.

在钛铁矿中最好的情况下,1000秒的实验中,钛同位素46比48的偏差的一个标准差只有0.7%,是统计误差的两倍以内,并且在氧化钛形式当中的钛46的同位素比值的一个标准差小於1%。

"Its compounds, in which it has valence 2, 3, or 4, include titanium trichloride (used as a catalyst in polypropylene production), titanium dioxide (extensively used as a pigment -with the greatest hiding power of all white pigment s-in paints, enamels, and lacquers), and titanium tetrachloride (used in skywriting, smoke screens, and as a catalyst)."

钛的化合物(其中钛的原子价为2、3或4)包括三氯化钛(在聚丙烯生产中作催化剂)、二氧化钛(在油漆、釉药和漆器中广泛用作颜料,在所有白色颜料中掩盖能力最强)以及四氯化钛(用于空中显示图形文字、烟幕以及催化剂)。

"Its compounds, in which it has valence 2, 3, or 4, include titanium trichloride (used as a catalyst in polypropylene production), titanium dioxide (extensively used as a pigment-with the greatest hiding power of all white pigments-in paints, enamel s, and lacquers), and titanium tetrachloride (used in skywriting, smoke screens, and as a catalyst)."

钛的化合物(其中钛的原子价为2、3或4)包括三氯化钛(在聚丙烯生产中作催化剂)、二氧化钛(在油漆、釉药和漆器中广泛用作颜料,在所有白色颜料中掩盖能力最强)以及四氯化钛(用于空中显示图形文字、烟幕以及催化剂)。

"Its compounds, in which it has valence 2, 3, or 4, include titanium trichloride (used as a catalyst in polypropylene production), titanium dioxide (extensively used as a pigment-with the greatest hiding power of all white pigments-in paints, enamels, and lacquers), and titanium tetrachloride (used in skywriting, smoke screens, and as a catalyst )."

钛的化合物(其中钛的原子价为2、3或4)包括三氯化钛(在聚丙烯生产中作催化剂)、二氧化钛(在油漆、釉药和漆器中广泛用作颜料,在所有白色颜料中掩盖能力最强)以及四氯化钛(用于空中显示图形文字、烟幕以及催化剂)。

A Simple titanium resource and a soft preparation method is very important in the preparation of titania, hydrogen titanium oxide hydrate and sodium...

本文以无水乙醇作为溶剂,以钛酸四丁脂为钛源,采用溶剂热法制备氧化钛纳米粒子、钛酸纳米管,讨论了产品的形成机理。

The TiO2particles are anatase crystal form with 10-20 nm in diameter, and the SiO2 particlesare uncrystallized. The TiO2 nanoparticles have good photocatalysis degradationproperties, and the kinetics is the first-order to methylene blue.

氧化钛粒子为锐钛矿晶型,直径10-20nm,但二氧化硅粒子不呈晶态;制备的二氧化钛纳米粒子具有很好的光催化活性,对亚甲基蓝光催化降解符合一级反应动力学方程规律。

Fe-ion doped TiO2 was immobilized on solid support stubstrates-SiOa using sol-gel method. The photocatalytic efficiency of the TiO2 coating was compared with nanosize powders using the degradation of benzophenol in a aqueous solution as a standard test system, the photocatalytic efficiency was found to markedly increase.

采用溶胶凝胶法制备了硅胶附载的掺杂不同量铁离子的二氧化钛薄膜,用XRD,Raman,SEM的手段进行了表征,证明该条件下制备的二氧化钛为锐钛矿相,薄膜在硅胶表面的成膜效果较好,但有一定程度的龟裂,通过光催化实验发现催化效率与纳米粉相比有明显的提高。

Titanium Yellow is a transformation of environmental inorganic pigments, which is consist of titanium dioxide (TiO2), chromium oxide (Cr2O3) antimony oxide (Sb2O5), formed by high temperature calcination.

钛黄是一种转型的环保无机颜料,它是由二氧化钛(TiO2),氧化铬(Cr2O3)氧化锑(Sb2O5),经高温煅烧而成。

The 1%-Ni-doped TiO_2 calcined at 400℃has the best photocatalic ability.An indigo carmine solution of 10 mg/L was completely photodegraded in 50 minutes in the presence of as-obtained photocatalyst under visible light.A series of structure analysis,such as XPS,TEM,are employed to investigate the structure of the Ni/TiO_2 composite in details.The results indicate that at the lower temperature,instead of the simple interface compounding reported by some references,the Ni ions could be inserted into the crystal lattice of TiO_2,and form the innovative material.

通过XPS、TEM等多种表征手段对镍掺杂纳米二氧化钛的结构与光(来源:6414A41BC论文网www.abclunwen.com)催化性能进行了深入分析研究,发现在较低温度下煅烧可以获得镍离子晶格掺杂而不是表面复合的新型材料,通过镍离子缺陷能级的引入改变了二氧化钛的能级结构,提高了材料可见光下的光催化氧化的效率。

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