磷钨杂多酸

  • 网络phosphotungstic acid
磷钨杂多酸磷钨杂多酸
  1. 实验结果显示:磷钨杂多酸、PW(12)/C和PW(12)/SiO2是优良的酯化催化剂,对环境无污染。

    The results showed that phosphotungstic acid - , PW12 / C and PW12 / SiO2 were eminent catalysts and had no pollution .

  2. Co(Ⅱ)、Fe(Ⅱ)、磷钨杂多酸与血清白蛋白的结合平衡及后续效应研究

    The Study of Binding Equilibrium and Subsequent Effect between Co (ⅱ)、 Fe (ⅱ)、 Phosphotungstic Acid and HSA or BSA

  3. 磷钨杂多酸催化剂催化合成双酚AP的研究

    Synthesis of bisphenol AP by using phosphato & tungstic heteropoly acid as catalyst

  4. Fe~(3+)取代Dawson型磷钨杂多酸掺杂聚吡咯H2O2传感器的研制

    Preparation of Iron (ⅲ) & substited Dawson-type Tungstophosphate Anion Doped Polypyrrole Film-based H_2O_2 Sensor

  5. SiO2气凝胶负载磷钨杂多酸催化THF聚合研究

    Study on SiO_2 Aerogel Supported HPW Catalyst for THF Polymerization

  6. 单缺位Dawson型磷钨杂多酸掺杂聚吡咯的过氧化氢传感器研究

    Study of Hydrogen Peroxide Sensor Based on Doped Polypyrrole Film With Single Lacunary Dawson-type Tungstophosphate

  7. 本文通过研究反应温度、反应时间及催化剂用量对反应进程的影响,对磷钨杂多酸(HPA)催化松香裂解反应及反应动力学进行了研究。

    The cracking reaction of rosin catalyzed by phosphatic and tungstenic heteropoly acids is studied , in discussing the factors affecting the reaction in detail .

  8. 在金电极上,用电化学方法将单缺位Dawson型磷钨杂多酸盐a2-K10P2W17O6115H2O的阴离子(P2W17)掺杂到聚吡咯(PPy)薄膜中,制成PPy/P2W17/Au的H2O2传感器。

    On An electrode , the anion of lacunary Dawson-type tungstophosphate ( P2W17 ) was doped into polypyrrole ( PPy ) film by electrochemical method and the PPy / P2W17 / Aubased hydrogen peroxide sensor was prepared . The catalytic mechanism towards the electroreduction process of H2O2 was discussed .

  9. 采用经典酸化&乙醚萃取法制备Keggin结构的磷钨杂多酸,在前期优化实验基础上,制备规模放大20倍进行工艺研究,以考察放大效应。

    A conventional acidification method incorporated with an ether extraction technique is used to prepare H_3PW_ ( 12 ) O_ ( 40 ) with Keggin structure . The experiment scale is enlarged 20 times in this article based on the earlier optimization experiment in order to study enlargement effect .

  10. 磷钨杂多酸催化合成戊二酸二甲酯宏观动力学研究

    Study on Kinetics of Dimethyl Glutarate Synthesis Catalyzed by Phosphotungstic Acid

  11. 磷钨杂多酸的萃取对羟基苯甲酸的溶剂浮选研究

    Study on the solvent floatation of P - hydroxy benzoic acid

  12. 磷钨杂多酸及其铯盐上的常温正戊烷异构化反应

    Pentane Isomerization at Ambient Temperature on H_3PW_12O_40 and its Cesium Salts

  13. 介孔二氧化硅负载磷钨杂多酸催化合成聚四氢呋喃

    Catalytic Synthesis of Polytetrahydrofuran by Phosphotungstic Heteropoly Acid Supported on Mesoporous Silica

  14. 磷钨杂多酸及其铯酸式盐属固体超强酸。

    12 - tungstophosphoric heteropolyacid and its acidic cesium salts are solid superacids .

  15. 磷钨杂多酸催化合成氯乙酸异丙酯

    Catalytic Synthesis of Isopropyl Chloroacetate with Phospho-Tungstic Heteropoly Acid

  16. 磷钨杂多酸钠催化制备醋酸正丁酯

    Catalytic Preparation of n-Butyl Acetic with Sodium Heteropoly-Tungstic Acid

  17. 以磷钨杂多酸银盐为催化剂合成丁酮乙二醇缩酮

    Synthesis of ketal catalyzed with silver salts of tungstophosphoric

  18. 磷钨杂多酸催化合成丙酸丁酯

    Catalytic Synthesis of Butyl Propionate by Phosphowolframic Acid

  19. 正己醇氧化生成正己醛磷钨杂多酸催化剂的过氧化氢分解活性

    Decomposition Activity of H_2O_2 over P-W-Heteropolyacid Catalysts for Catalytic Oxidation of Hexanol to Hexanal

  20. 实验结果表明:对于非负载型杂多酸催化剂,磷钨杂多酸的催化活性要高于硅钨杂多酸;

    The results showed that the phosphotungstic had better catalytic activities than the silicotungstic acid .

  21. 实验证明,磷钨杂多酸是合成丙酸丁酯的良好催化剂。

    The results showed that phosphowolframic acid was a good catalyst for synthesizing butyl propionate .

  22. 磷钨杂多酸催化剂制备工艺的放大研究

    Research of Enlarged Preparation Craft of the Keggin-Type Structure PW_ ( 12 ) Heteropoly Acid Catalyst

  23. 采用新的合成方法,合成了一种新型磷钨杂多酸盐相转移催化剂,研究了它在不同合成条件下的产率。

    A new kind of phase transfer catalyst of phosphotungstate was synthesized by a new way in this paper .

  24. 活性碳负载磷钨杂多酸催化合成双(4-羟基苯基)苯基甲烷

    Synthesis of Bis - ( 4-hydroxyphenyl ) phenylmethane by Using Solid Heteropolyacid PW_ ( 12 ) / C as Catalyst

  25. 新型负载杂多酸催化合成丙烯酸酯的研究负载型磷钨杂多酸催化合成环烷酸正十八酯

    Study on New type Heteropoly Acid Supported Catalyze the Synthesis of ACRY LATE ; Synthesis of octadecyl naphthenate with supported tungstophosphoric heteropoly acid as catalyst

  26. 磷钨、硅钨杂多酸催化合成己二酸双酯甲烷磺酸铜催化合成己二酸二正丁酯

    Synthesis of Dibutyl Adipate on Heteropoly-Acid Catalysts Catalytic Synthesis of Dibutyl Adipate with Cupper Methanesulfonate