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- bicapped Keggin 二帽Keggin
- Molybdovanaphosphoric acid with two Dawson and Keggin structure were prepared. 制备出 Keggin和 Dawson两种结构的钼钒磷杂多酸。
- However, the ground state we obtained is a distorted structure of a bicapped pentaprism. 然而，我们获得的基态结构是一种扭曲的带两个帽子原子的五棱柱。
- The results of IR, ESR, NMR indicate that PVA was decomposed and the Keggin structure of SiWnCoP2O7/ kept excellently. 红外光谱(IR)、电子自旋共振、核磁共振表明，SiW_(11)Co-P_2O_7/PVA复合纳米纤维在500℃焙烧8h后，PVA分解，而SiW_(11)Co-P_2O_7仍然保持完好的Keggin结构。
- Synthesis of SnII-substituted POM with Keggin structure The SnII-substituted tungstophosphate and tungstosilicate were synthesized with the fractional synthesis method. 其阴离子对称性和负电荷介于相应的饱和与缺位结构之间。
- FT-IR results showed that the Keggin geometry of PWA and PVPd were still preserved inside the PWA/PVPd composite thin films and the salts were formed by combining the ion based on the N atoms in the polymeric molecules and H+ of the polyanions. 红外光谱分析结果表明;Keggin结构钨磷酸和聚乙烯基吡咯烷酮分子的基本结构在复合薄膜中仍然存在;乙烯基吡咯烷酮分子基团质子化后与杂多阴离子成盐;形成电荷转移桥.
- Keggin type dititanodecatungstophosphate Keggin型钨钛磷酸盐
- Study on redox property of heteropoiy complexes isomer with Keggin structure Keggin结构杂多酸盐几何异构体氧化还原性质的研究
- Keywords Syntheses;Structural study;Bicapped tritungsten cluster;EHMO calculatton.; 合成;结构研究;双帽三核钨簇合物EHMO量化计算;
- Synthesis and Crystal Structures of A Novel Keggin Polyoxometalates Containing Piperidine 新型Keggin结构多金属氧酸哌啶配合物的合成与晶体结构
- Chemical Syntheses and Properties of Polypyridine Doped with Heteropolyanions with Keggin Structure 以Keggin结构杂多阴离子掺杂的聚吡啶的化学合成及性能研究
- The Influences of Skeleton Metal Atoms on Electronic Structures and Physical-Chemist Properties of Keggin Anions 骨架金属原子对Keggin阴离子电子结构和物化性质的影响
- Synthesis and Characterization of Molybdovanadate(V) Salt Having Keggin Structure Keggin型结构的钼钒杂多酸盐的合成与表征
- STUDY ON THE THERMAL STABILITY OF THE RE HETEROPOLY ACID COMPLEX WITH THE STRUTURE OF KEGGIN AND DAWSON Keggin结构和Dawson结构稀土杂多配合物热稳定性研究
- DFT-DVM Study on the Bi-capped Keggin Type Heteropoly Anions [PM_(12)O_(40)(VO)_2]~(n-)(M=Mo, n=5; M=V, n=9) 双帽Keggin型杂多阴离子[PM_(12)O_(40)(VO)_2]~(n-)(M=Mo,n=5;M=V,n=9)的离散变分方法研究
- Partial Oxidation of Propane to Acrylic Acid on the Cs~+ Substituted Keggin Type Heteropoly Compounds Cs~+取代的Keggin型杂多酸上丙烷选择氧化制丙烯酸的研究
- The Study on the Replaced Reaction of Coordination Water in Transition Elements Heteropoly Anions with Keggin Structure by Quinine Keggin结构过渡金属杂多阴离子中配位水与奎宁的取代反应
- 12- Tungstophosphoric acid (PW) has been the target acid catalyst in many previous reports because of its strongest acidity among the Keggin series. 磷钨杂多酸(PW)在Keggin型杂多酸中因具有最强的酸性而被广泛用作酸催化剂。
- Preparation Characterization and Acid Number Measurement by the Potentiometric Titration Method for the Keggin Type Organo-phosphorus-heteropolytungstic Acids Keggin型有机膦钨杂多酸的制备、结构表征和酸量的电位滴定法测定
- Synthesis, Characterization and Catalytic Activity for Phenol Hydroxylation of Rare Earth Molybdovanadophosphate Tetrabasic Heteropoly Complexes with Keggin Structure Keggin结构稀土钼钒磷四元杂多配合物的合成、表征及苯酚羟化制苯二酚的催化活性
