硅钨酸

有机介质对铜单取代硅钨酸钾催化H2O2分解的影响

Effects of organic solvents on decomposition of h_2o_2 catalyzed by Cu-substituted potassium silicotungstate

磷钨酸季铵盐催化H2O2氧化枞酸的研究两缺位硅钨酸正丁基季铵盐催化枞酸甲酯的环氧化反应

Study on Oxidation Reaction of Abietic Acid with H_2O_2 Catalyzed by Quaternary Ammonium Phosphotungstate

以聚苯胺薄膜修饰石墨电极为基体电极，将含有电活性物质硅钨酸的聚氯乙烯（PVC）敏感膜涂渍于基体电极上，制成双膜尼古丁电位型传感器。

It is made up of polyaniline modifier , graphite electrode and polyvinyl chloride sensitive membrane , with silicon-tungsten acid being the electroactive material .

硅钨酸FET分析麻黄碱的研究&杂多酸修饰离子敏感效应晶体管的研究Ⅲ

An analysis of ephedrine with silicotungstic acid

研究结果表明：硅钨酸修饰多晶铂电极提高了甲醇氧化的催化活性和抗CO中毒性。

The results show that the Pt electrode modified by Silicatungstic acid has not only the higher catalytic activity to methanol oxidation , but also the effect decreasing CO poison .

Keggin结构铁（Ⅱ）单取代硅钨酸钾催化过氧化氢分解

A study of the decomposition of H_2O_2 catalyzed by Fe (ⅱ) - substituted Keggin type silicotungstate

采用盐酸酸化-乙醚萃取法制备了Keggin型硅钨酸、磷钨酸，并分别以活性炭和硅胶为载体，采用不同的制备方法制备出一系列负载型杂多酸。

A traditional acidification method incorporated with an ether extraction technique was used to prepare silicotungstic acid and phosphotungstic acid with Keggin structure .

以硅钨酸为催化剂合成了环己酮乙二醇缩酮。

Cyclohexanone ethylene ketal is synthesized with silicotungstic acid as catalyst .

坡缕石负载硅钨酸催化剂的制备及性能研究

Study on Preparation and Characteristics of Tungstosilicic Acid Supported on Palygorskite

活性炭吸附硅钨酸催化合成丁酸丁酯

Synthesis of Butyl Butyrate Catalyzed Silicotungstic Acid Adsorbed on Activated Carbon

硅钨酸为催化剂合成硬脂酸乙二醇酯

Study on the synthesis of glycol stearic acid ester with silicotungstic acid

活性炭负载硅钨酸催化合成乙酸正丁酯

Catalytic Synthesis of Butyl Acetate by Silicotungstic Acid Supported on Activated Carbon

活性炭表面固载十二硅钨酸的表征

Characterization of 12 - silicotungstic acid supported on activated carbon

活性炭固载硅钨酸催化酯化反应的研究

Study on catalytical esterification by acticarbon adsorptive silicotungstic acid

活性炭负载硅钨酸催化α-蒎烯的异构化研究

Study on α - Pinene Isomerization over Active Carbon Supported Silicotungstic Acid Catalyst

大阳离子硅钨酸盐的合成和性质研究

Synthesis and Properties of Large Cation Heteropolyacid Salts

树脂固载硅钨酸催化合成乙二醇硬脂酸酯

Catalytic Synthesis of Ethylene Glycol Stearate by Silicotungstic Acid Immobilized on Ion Exchange Resin

硅钨酸对胜利油田超稠油的催化降黏作用

Effect of silicotungstic acid on catalytic visbreaking of extra heavy oil from Shengli oilfield

硅钨酸锂在聚合物电解质中的应用

Application of silicotungstate lithium in polymer electrolyte

用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯。

Synthetic method of butyl butyrate was investigated using silicotungstic acid catalyst absorbed on activated carbon .

以硅钨酸为催化剂，由乳酸与正戊醇进行均相酯化反应合成了乳酸正戊酯。

N_amyl lactate was synthesized by homogeneous esterification of n_pentenol with Lactic acid using silicotungstic acid as the catalyst .

结果表明：磷钨酸、硅钨酸以及活性白土催化剂能够使松香彻底裂解。

The final results demonstrated that rosin can be completely cracked with phosphotungstic acid hydrate , silicotungstic acid hydrate and activated clay catalysts .

将场效应管与药物敏感膜结合，以硅钨酸或四苯硼钠未转型的定域体试剂为电活性物质的药物传感器。

A drug sensor was made by combination of a field effect transistor and a drug sensitive membrane , with silicotungstic acid or sodium tetraphenylboron as active substance .

在固定床积分反应器中，于85～160℃温度区间内，在活性炭固载的硅钨酸催化剂上研究了合成乙酸乙酯和乙酸丁酯的酯化反应动力学。

By using the catalyst SiW_12 supported on activated carbon catalytic vapor phase esterification of ethanol or n-butanol with acetic acid was studied in a flow fixed-bed reactor between 85 ℃ and 160 ℃ .

其一，在聚苯并咪唑膜基体中，掺杂质子导体，比如磷酸锆，磷钨酸，硅钨酸等。

The first one is doping some proton conductor in the PBI membrane . These conductors such as zirconium phosphate ( ZrP ), phosphotungstic acid ( PWA ) and silicotungstic acid ( SiWA ) were used .

以活性炭固载硅钨酸作为催化剂，用乙酰乙酸乙酯与巯基乙醇缩和合成了具有浓郁苹果香气的香料化合物2-甲基-2-乙酸乙酯基-1,3-氧硫杂环戊烷（Ⅰ）。

Using silicotungstic acid as catalyst with the catalyst supported on active carbon , 2-methyl-2-ethyl-acetic-1,3-oxathiolane ( targeted compound I , an aroma compound with apple flavor ) was synthesized by the reaction of ethyl aceto-acetate and 2-mercapto-ethanol .

通过动态法以哌啶（PI）作为模板剂.硼酸作为结构承载助剂，硅溶胶作为硅源，钨酸钠作为钨源，水热晶化合成了W-MCM-22介孔分子筛。

Mesoporous W-MCM-22 molecular sieves were prepared for the first time by directly hydrothermal synthesis using silica gel as the source of silicon , sodium tungstate as the tungsten source , piperidine as a structure-directing agent ( SDA ) and boric acid as a structure-supporting agent under dynamic state .