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- The experimental results showed that this supported heteropolyacid catalyst has high catalytic activity and stability, it can be used repeatedly for 5 batches. 结果表明,该催化剂具有较高的催化活性和稳定性,可重复使用。
- This paper,Introduces the application of heteropolyacid catalyst of tungs ten and Molybdenum in esterification, And the structure and properties of the heteropolyacid are discussed. 本文介绍钨系杂多酸在酯化反应中的应用，并对与催化相关的钨系杂多酸的结构与性质进行了描述。
- The epoxidation reaction of maleic acid by heteropolyacid catalyst is studied.The influences of various factors on the reaction are discussed and the optimum reaction conditions are determined. 本文以杂多酸为催化剂对顺丁烯二酸的环氧化反应进行了研究，讨论了各因素对反应的影响，并确定了最佳反应条件。
- P - W - Mo - heteropolyacid catalyst 磷钨钼杂多酸催化剂
- vanadium-containing heteropolyacid catalyst 含钒杂多酸催化剂
- This paper describes the direct synthesis of octyl\|glucoside with supported heteropolyacid catalysts. 本文以负载型杂多酸为催化剂,以葡萄糖和正辛醇为原料,直接法合成辛基多苷。
- The new development of the isobutene/butene alkylation catalysts has been introduced,including solid superacid catalyst,molecular sieve catalyst and supported heteropolyacid catalyst. 阐述了异丁烷/丁烯烷基化催化剂研究的新进展,包括固体超强酸催化剂、分子筛催化剂和负载型杂多酸催化剂。
- The development of heteropolyacid catalysts and its preparation, constitution, properties and application field were described briefly. 叙述了国内外杂多酸催化剂的研究情况,简要地介绍了杂多酸催化剂的制备、结构和催化性能及其应用领域。
- magnetically supported heteropolyacid catalyst (MSHC) 磁载杂多酸催化剂（MSHC）
- Keywords glyceryl triacetate;heteropolyacid catalyst;synthesis.; 三醋酸甘油酯;杂多酸催化剂;合成;
- Keywords acetate;acetic acid;olefine;heteropolyacid catalyst; 乙酸酯;乙酸;烯烃;杂多酸催化剂;
- In this paper, the application of heteropolyacid catalysts at different oxidation is detailed. The study orientation of heteropolyacid catalytic oxidation of hydrocardon is also suggested. 根据所使用氧化剂的不同介绍杂多酸催化剂的应用方向;预测杂多酸催化剂氧化烷烃的研究方向。
- Keywords heteropolyacid catalyst bleacher activator TAED preparation; 杂多酸催化剂;漂白活化剂;四乙酰乙二胺;制备;
- Keywords HPA/TiO_2-SnO_2;heteropolyacid catalyst;diisopentyl maleate;synthesis; 催化剂;马来酸二异戊酯;催化合成杂多酸;
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- Heterogeneous Catalytic Synthesis of Diethylene Glycol Dibenzoate by Supported Heteropolyacid Catalyst PW_(12) /C 固载杂多酸催化剂PW_(12)/C催化合成二甘醇二苯甲酸酯
- The epoxidation reaction of diphenylethylene by heteropolyacids catalysts is studied.TheCatalytic activity of heteropolyacids is explored. 本文以杂多酸为催化剂对二苯乙烯的环氧化反应进行了研究，探讨了杂多酸的催化活性。
- Keywords phosphotungstic acid;anisole;acetic anhydride;p-methoxyacetophenone;acylation;ultrasonic irradiation;microwave irradiation;heteropolyacid catalyst; 磷钨酸;苯甲醚;乙酸酐;对甲氧基苯乙酮;酰基化反应;超声波辐射;微波辐射;杂多酸催化剂;
- The last step is to regenerate the catalyst. 最后一步是将催化剂还原。
- War is a catalyst to help them to choose. 战争是一副催化剂来帮助他们选择。
