纳米二氧化钛
- 网络TiO2;nano-tio2;titanium dioxide
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选取了过渡金属Fe作为掺杂剂,采用溶胶-凝胶法制备了铁离子掺杂的纳米二氧化钛光催化剂。
Transition metal Fe was selected to prepare the Fe-doped nanometer TiO2 by using the sol-gel method .
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采用胶溶法制备稳定的纳米二氧化钛水溶胶,研究了pH值、胶体浓度、胶溶剂的浓度及制备温度对胶溶效果的影响。
Steady TiO2 water-sol was prepared by peptization process . The effect of pH value , concentration of colloid , concentration of peptizator and temperature on sol result was studied .
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凝胶-溶胶法制备纳米二氧化钛的pH控制
PH control on preparation of nano-TiO_2 by gel-sol process
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真空热蒸发法制备纳米二氧化钛薄膜及稀土Ce2O3掺杂
The Vacuum Evaporate Preparation Method of TiO_2 Thin Films and Ce_2O_3-Doping
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载银纳米二氧化钛残留物去除及其对MS2噬菌体灭活效果的研究
Study on removal of silver-loaded nano-titania residue and its efficacy in inactivation of bacteriophage ms_2
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采用TiO2浆料浸渍法在聚丙烯塑料上负载纳米二氧化钛薄膜。
TiO2 films are immobilized on PP by impregnating method .
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Sol-Gel法制备纳米二氧化钛凝胶的工艺优化
Optimization of nano-meter TiO _2 powders preparation by Sol-Gel
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高比表面纳米二氧化钛胶体、多孔电极及DSC电池的制备
Preparation of High Specific Surface Area Nano-TiO_2 Colloid , Meso-porous Electrode and Dye-sensitized Solar Cells
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用溶胶–凝胶法在石英基材上制备了纳米二氧化钛(TiO2)薄膜。
Nanoparticle titanium oxide ( TiO2 ) thin films were produced by the sol – gel method on quartz substrates .
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纳米二氧化钛预富集ICP-AES测定地质样品中痕量镉和锌
Nanometer-size titanium dioxide preconcentration of trace Cd , Zn and their determination by ICP-AES in geological sample
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实验结果表明,该工艺能有效的去除废水中的有机物,纳米二氧化钛催化剂的催化效果显著,去除机制主要是电致H2O2、。
The experiment results indicated that the electrochemical oxidation process could efficiently remove and degrade organic pollutants .
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结果表明,PTFE和锐钛型纳米二氧化钛均对海洋细菌的附着有抑制作用。
The results showed that both PTFE and nano-TiO2 in coatings could impede the adhesion of marine bacteria .
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通过调节反应温度和pH,可以控制原级粒子完全为具有锐钛矿晶型的钛酸,有利于生成颗粒细小均匀的纳米二氧化钛。
By adjusting the reaction temperature and pH , the precursor can be controlled totally as H_2TiO_3 with anatase crystal form , which was good for forming homogeneous TiO_2 nanoparticles .
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结果指出,纳米二氧化钛催化剂与超声波有明显协同杀菌作用,pH值升高对超声波杀菌效果有轻微影响。
The results indicate that the catalyst nanometer titanium dioxide and ultrasound have obvious synergic germicidal efficacy . Increase in pH value has slight influence on germicidal efficacy of ultrasound .
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主要研究内容:(1)在不加表面活性剂CTAB的条件下制备纳米二氧化钛包覆的硫化锌荧光粉。
Main research contents : ( 1 ) Fabricating titania-coated ZnS phosphors without the addition of surfactant CTAB .
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通过二阶熔融共混法制备了聚对苯二甲酸乙二醇酯(PET)/纳米二氧化钛(TiO2)复合材料,并使用TEM对纳米TiO2在基体中的分散状态进行了观察。
PET / nano TiO 2 composites were manufactured by melt blending process and the dispersion of nano TiO 2 in the matrix was observed by TEM .
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选取了过渡金属Fe、Pb、Cu,贵金属Ag,稀土元素Ce作为掺杂剂,采用溶胶&凝较法制备了掺杂改性纳米二氧化钛光催化剂。
Selected transition metal Fe , Pb , Cu , precious metal Ag , rare-earth element Ce has prepared the doping modification nanometer TiO_2 by using the sol-gel method .
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研究了在200℃,6小时水热过程中不同pH条件对合成纳米二氧化钛粉体等电点的影响。
Through the hydrothermal process at 200 ℃ for 6h and using the metatitanic acid as reactant , the nanometer titanium dioxide powder were synthesized under different pH values adjusted by NaOH or HCl solution .
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采用溶胶-凝胶法制备了纳米二氧化钛以及不同掺镍量的TiO2纳米粒子(原料中Ni∶TiO2的摩尔分数为1%、3%、5%、7%、9%)。
Nanoparticle titania and titania doped with different amount ( 1 % , 3 % , 5 % , 7 % , 9 % ) of nickel using sol-gel method were prepared .
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研究pH值、不同离子性的表面活性剂和高分子分散剂聚乙烯吡咯烷酮对纳米二氧化钛水分散体系稳定性的影响。
Stability of nano titanium dioxide in water-based disperse system , as well as factors of pH value , various surfactants with different ions and high molecular dispersant polyvinyl pyrrolidone on the stability of disperse system are discussed .
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利用溶胶凝胶技术,以纳米二氧化钛(TiO2)填充有机改性硅烷溶胶对纯棉织物进行抗紫外功能整理;
Ultraviolet protection of all cotton fabric was carried out by sol gel technique with organic modified silane sol , which was filled with nano titanium dioxide ( TiO 2 ) .
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第2章采用GC-MS和高效液相色谱(HPLC)研究了苯酚溶液在纳米二氧化钛(TiO2)催化下的紫外降解中间产物,并与苯酚溶液直接紫外降解进行了比较。
Chapter two : The degradation of phenol solution under ultraviolet ( UV ) in the presence of TiO_2 and in the absence of it was analyzed with GC-MS and HPLC .
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以氧化锌晶须和锐钛型纳米二氧化钛为添加剂来提高PPR树脂的各项性能。
The performance of PP-R resin were improved through adding the ZnO whisker and anatase titanium dioxide in this paper .
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结果表明,改性纳米二氧化钛溶胶的稳定性与改性剂的用量和体系pH值有关,在大于等电点时,随体系pH值的增加,溶胶的稳定性提高。
The results show that the stability of nano titanium dioxide sol had the relation with the concentration of modifier . With the increase of the pH values of system , stability of the sol increased when above the isoelectric point .
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纳米二氧化钛(TiO2)因其比表面积大、稳定性好、无毒性和光催化效率高等优点在有机污染物处理方面得到了极大的重视。
Titanium dioxide ( TiO2 ) has attracted a great deal of attention in organic pollutants treatment because of its large specific surface area , stable chemical properties , nontoxicity and excellent photocatalytic activity .
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700℃、1000℃、1200℃下对纳米二氧化钛(TiO2)粉末进行煅烧,利用大气等离子喷涂(APS)在Q235基体上制备氧化钛纳米结构涂层。
Nano-TiO_2 powders were calcined at 700 ℃, 1000 ℃, 1200 ℃ respectively . TiO_2 coatings on carbon steel substrate were fabricated by air plasma spraying .
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纳米二氧化钛催化剂的催化效果显著,能够有效的去除甲基橙,去除机制主要是H2O2,·OH对有机物的氧化、降解。
The effects of the catalysis with nanometer TiO2 catalyst were obvious , which effectively removed methyl orange , the mechanism of which mainly consisted in the oxidation and degradation of organic matters by H2O2 , · OH .
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采用BET法(以氮气为吸附气体)测定海泡石吸附纳米二氧化钛的比表面积的变化,用电子自旋波谱仪ESR对海泡石吸附纳米二氧化钛产生羟基自由基(·OH)的能力进行表征。
The changes of the surface area of the sepiolite after absorbing nano-TiO_2 were investigated by BET method . The hydroxyl free radical (· OH ) produced by the materials was measured by electron spin resonance ( ESR ) spectra .
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制备了纳米二氧化钛/丝素复合膜,并用原子力显微镜、X射线能谱和红外光谱对复合膜进行了表征,以甲基橙为例,考察了复合膜的光催化行为。
The nano titanium dioxide / silk fibroin composite membrane , which was characterised by atom force microscopy , X-ray energy dispersive spectrometry , and infrared spectrometry , was prepared . The photocatalytic capability of the composite membrane was studied with methyl orange as a sample .
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结果表明,纳米二氧化钛催化剂的催化效果显著,该工艺能有效去除废水中的有机物,去除机制主要是电致H2O2和羟基自由基(.OH)对有机物的氧化、降解。
The experiment results indicated that the electrochemical oxidation process could efficiently remove and degrade organic pollutants . The removal efficiency could be attributed to the oxidation of electrogenerated H_2O_2 , hydroxyl radicals generated in electro-fenton process .