In the sol_gel process of TEOS ( tetraethoxysilane), the effects of catalysts on hydrolysis reaction, condensation reaction and gelling properties were discussed.

The interaction between polymer after hydrolysis of tetraethoxysilane and surfactant was used to form molecules self-assembly in the solution by rapid solvent evaporation during dip coating.

利用表面活性剂与硅源水解后形成的聚集体相互作用，在溶液中形成分子自组装体，通过简单提拉迅速蒸发溶剂等方法制备二氧化硅-表面活性剂纳米介孔薄膜。

互联网摘选

A sol containing SiO_2 particles was prepared by the base catalyzed hydrolysis and polycondensation of tetraethoxysilane ( TEOS) through sol-gel process.

通过溶胶凝胶法，在碱性条件下水解缩聚正硅酸乙酯获得含有SiO2颗粒的溶胶；

互联网摘选

Polyimide/ silica nano-hybrid films of different solid content were prepared via the sol-gel route using tetraethoxysilane ( TEOS) as inorganic precursor.

利用正硅酸乙酯（TEOS）做为无机前驱体，采用溶胶-凝胶（Sol Gel）法，制备了SiO2含量一定，固体含量不同的聚酰亚胺/二氧化硅（PI/SiO2）纳米杂化薄膜。

互联网摘选

Zircon powder has been synthesized by non-hydrolytic sol-gel route using zirconium tetrachloride and tetraethoxysilane as precursors.

本文以工业纯无水四氯化锆、正硅酸乙酯为前驱体，通过非水解溶胶-凝胶法在700℃低温合成出硅酸锆粉体。

互联网摘选

Al2O3-SiO2 composite membrane was prepared by sol-gel process using aluminium isopropoxide and tetraethoxysilane as raw materials.

以异丙醇铝和正硅酸乙酯为主要原料，用溶胶-凝胶法制备无支撑体Al2O3-SiO2复合膜。

互联网摘选

The effects of catalyst in the sol-gel process of tetraethoxysilane

正硅酸乙酯溶胶-凝胶过程中催化剂的作用

互联网摘选

Tetraethoxysilane ( TEOS), methyl methacrylate ( MMA) and 2-hydroxy propyl methacrylate ( HPMA) were used to prepare SiO 2/ PMMA hybrid quasi-gels by sol-gel method. The hybrid quasi-gels were used to modify PP as filler.

以正硅酸乙酯（TEOS），甲基丙烯酸甲酯（MMA）为主要原料，甲基丙烯酸β羟丙酯为活性单体，溶胶凝胶法制备PMMA/SiO2杂化准凝胶，并以其为填充物对PP进行复合改性。

互联网摘选

Mesoporous molecular sieve MCM-41 is usually synthesized with pure chemicals, such as silicon dioxide, sodium silicate, tetraethoxysilane, etc, which are toxic and expensive.

目前，介孔分子筛MCM-41通常采用二氧化硅、硅酸钠、正硅酸乙酯等纯化工原材料合成，缺点是原料的价格较贵且多有毒性。

互联网摘选

A simultaneous synthetic template carbonization method ( SSTCM), where tetraethoxy silane ( TEOS) was used as the source of the silica template and resorcinol-formaldehyde gel as the carbon precursor, was suggested for the preparation of mesoporous carbons with a controllable pore structure.

以正硅酸乙酯为模板硅源，间苯二酚甲醛凝胶为炭前驱体，采用同步合成模板炭化（SSTCM）法制备了具有可控结构的中孔炭材料。

互联网摘选

The results are as follows: ( 1) Microspheres SiO2 were prepared by hydrolysis of tetraethoxy silane ( TEOS) in alcohol-water mixed solvents using ammonia as catalyst.

研究结果如下：（1）利用St（o¨）ber法，以醇为溶剂，正硅酸乙酯在氨水催化下水解、缩聚，并进行一系列的后处理得到SiO2微球。

互联网摘选

Distribution Characteristics of Glycerol Dialkyl Glycerol Tetraether Lipids in Lake Dianchi Sediments

滇池湖泊沉积物中甘油二烷基甘油四醚脂的组成特征

互联网摘选

40 Ar/ 4 He ratios of metallogenic fluids change greatly, being 237~ 379 for pyrrhotite of the pyrrhodtite_pyrite stage and 7~ 66 for tetradymite of the tetradymite stage.

成矿流体的40Ar/4He比值变化较大，磁黄铁矿黄铁矿阶段的磁黄铁矿为237～379，辉碲铋矿阶段的辉碲铋矿为7～66。

互联网摘选

Mining ore contains mainly Tetradymite dolomite veins, and the formation of ore may be related with alteration through analysis of carbon and oxygen isotope. 3.

矿区主要矿石为含辉碲铋矿的白云石，通过对其碳氧同位素的分析推断其形成可能主要与蚀变作用有关。

互联网摘选

X ￣ ray powder diffraction analysis of tetradymite

辉碲铋矿的X射线粉晶衍射分析

互联网摘选

Chemical Analysis of Tetradymite for Major, Minor and Trace Elements

辉碲铋矿单矿物的主次痕量元素分析

互联网摘选

It was revealed that gravity recovered parts of the tetradymite, but the total recovery rate and the Te grade of gravity concentrates were a little low.

重选研究发现可以回收一定量的辉碲铋矿，但是总的回收率和精矿碲品位较低。

互联网摘选

Tetradymite is a Te, Bi sulfide mineral which is usually difficult to form an independent one.

辉碲铋矿是一种较难独立成矿的碲硫化物。

互联网摘选

The Study on the Action Mechanism of Tetradifon to Tetranychus Viennensis and Application Technology in Field

三氯杀螨砜对苹果叶螨作用方式及其田间应用技术研究

互联网摘选

The adsorption of sodium dodecyl sulfonate ( SDBS), tetradecyl pyridine chloride ( TPC) and Triton X 100 ( TX 100) onto the alumina powders at various pH was studied.

测定了氧化铝微粉自不同pH的水溶液中吸附十二烷基苯磺酸钠（SDBS）、氯化十四烷基吡啶（TPC）和Triton X－100（TX－100）的吸附等温线及相应的电动电势ζ变化曲线。

互联网摘选

The study of optimum conditions of the colour reaction of scandium with chrome azurol S in the presence of tetradecyl pyridinium chloride and emulgent OP is reported in this paper.

研究了在氯化十四烷基吡啶及乳化剂OP存在下，铬天青S与钪显色反应的适宜条件。

互联网摘选