查询词典 TEOS

For hydrolysis a mixture of 50 ml ethanol, 12 ml 0.01 N HCl and 38 ml TEOS was stirred for 24 h and the dyes were added afterwards.

水解混合物50毫升乙醇， 12毫升0.01氮盐酸和38毫升室温搅拌24 h和染料后来加入的。

Modifications of the silica sols were performed by substitution of TEOS with the 3-glycidyloxypropyltriethoxysilane in a range of 10 to 80 vol%.

变通的硅溶胶进行了替代硅与3- glycidyloxypropyltriethoxysilane射程10 80卷成。

SiO2 aerogels were produced from TEOS as silicon resources by sol-gel method and surface modification at ambient pressure.

以正硅酸乙酯为硅源，采用溶胶－凝胶法和表面修饰工艺，在常压条件下制备了SiO2气凝胶。

Moreover, the loading amount of the inorganic phase was another important factor on the properties of the hybrid membrane, and the comprehensive performance was obtained when the addition amount of TEOS was around 30% based on the polymer content.

此外，杂化膜中无机相的负载量也是一个影响杂化膜结构和性能的重要因素，当正硅酸乙酯的添加量为30%时，杂化膜的综合性能较为理想。

In the strong base environment provided by TPAOH, there are high concentrations of low polymeric silicon and titanium species existing from TEOS a

在分子筛形成过程中，非离子表面活性剂的加入，有助于增强模板剂分子与钦、硅物种之间的

The peaks intensity of Zr-MCM-41 mesoporous molecular sieves had a tendency to weak and the catalytic activities of them as catalysts in catalizing octadecanol to corresponding octadecanoic acid decreased with addition of zirconium ions.

水热环境下可加速反应物质的迁移运动，氨水缓慢释放OH-离子，促进了TEOS水解、缩聚反应及有机-无机组装过程更好地进行。

Different conditions affecting the diameter and magnetism of synthesized composite particles were discussed such as tetraethyl orthosilicate concentration,Fe_3O_4:TEOS mole ratio,reaction temperature,stirring rate,etc.

考察了不同的制备条件对复合粒子的粒径和磁性能的影响，并借助不同的分析测试手段对复合粒子的性能进行表征。

By optimizing the LTCVD and graft polymerization conditions, a selective and permeable membrane for dehydration of alcohol was obtained when LTCVD was performed at 175 ℃ with 5 mL of tetraethyl orthosilicate and AA grafting was carried out in solution of 7.5% AA.

通过系统研究气相沉积和接枝反应的主要条件对膜的渗透汽化性能的影响，发现当TEOS用量为5 mL，汽化温度为175 ℃时进行气相沉积，然后在丙烯酸浓度为7.5%的溶液中进行接枝聚合，制得的复合膜对醇水混合物显示了优良的分离性能。

Titanium incorporated mesoporous molecular sieves Ti-MCM-41, Ti-HMS, and Ti-MSU were synthesized through S〓I〓, S〓I〓, and N〓I〓 pathways using cetylpyridium bromide, tetredecylamine, and polyoxyethylene (10) stearyl ether as the structure-directing agents, respectively. The framework structure and the titanium coordination environment of these materials were characterized by XRD, N〓 adsorption/desorption, TG, TEM, FT-1R, DR UV-Vis, and ICP-AES. It was confirmed that the titanium was highly dispersed in the silica-based framework positions, and all samples were free of extra framework titanium impurities. The catalytic performance of these titanium containing mesoporous materials was investigated in the oxidation of styrene with aqueous H〓O〓 as the oxidant.

以TEOS和TBOT为硅源和钛源，分别以溴代十六烷基吡啶、十四胺和十八烷基聚氧乙烯基醚为模板剂，通过S〓I〓、S〓I〓和N〓I〓方式合成了含钛的介孔分子筛Ti-MCM-41、Ti-HMS和Ti-MSU，用XRD、N〓吸附/脱附、TEM、FT-IR、DR UV-Vis和ICP-AES等方法对它们的骨架结构、孔道结构以及钛原子的存在方式等进行了系统表征，结果表明钛原子以高分散的形式存在于以SiO〓为基本单元的介孔分子筛的骨架结构中，制备过程中未形成聚集态的骨架外金属氧化物物种。

The ethanol and water are mixed as the solvent, adding TEOS as the silicon source and ammonia as catalyst to the process of the spherical silica particles at 40℃.

在乙醇和水的混合溶剂中，以正硅酸乙酯为硅源、氨水作催化剂，在40℃水浴下制备SiO2球形颗粒。

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。