杂多的

Using self-made H3PW6Mo6O40 as catalyst,butyraldehyde glycol acetal was prepared by butyraldehyde and glycol.

用自制的磷钨钼杂多酸作催化剂，以丁醛和乙二醇反应合成了丁醛乙二醇缩醛。

In the medium of 0.013 mol/L H2SO4, phosphate reacts with sodium molybdate and potassium antimonyl tartrate, forming a yellowish phosphorus-antimony-molybdenum heteropoly acid. The acid exhibited a strong resonance scattering peak at 710 nm after added with nanogold. The heteropoly acid was reduced by ascorbic acid to antimony phosphomolybdate blue, which caused the decrease of resonance scattering intensity.

在0.013mol/L H2SO4介质中，磷酸根与钼酸钠、酒石酸锑钾反应生成淡黄色的磷锑钼杂多酸，加入纳米金后在710nm处产生一个较强的共振散射峰，抗坏血酸可将磷锑钼杂多酸还原为磷锑钼蓝，导致710nm处共振光散射信号降低。

Consequently, degradation of acid fuchsine from aqueous solutions through photocatalytic process that involves addition of a heteropolyacid catalyst was studied, as well as its optimum conditions in industry production and its mechanism.

本课题选取酸性品红染料为降解对象，试验研究了杂多酸光催化降解酸性品红反应的工艺条件，机理，以及用负载型杂多酸来改善催化环境，旨在寻找一种染料废水的环境友好处理新工艺。

In part one, the properties of catalysts such as iodine, platonic complex, transitional metal oxide and vanadium-containing heteropolyacid were studied in oleum and the process conditions were also analyzed.

催化剂开发中，制备了系列铂配合物催化剂和含钒杂多酸系列催化剂，并对制得的含钒杂多酸系列催化剂进行了XRD、IR、TG表征，确证了催化剂的组成、结构等，考察了催化剂中含钒量不同的催化剂其催化性能与含钒量的关系。

In this paper, the main work has been focused on the rare reported arsenomolybdates, and nine novel compounds have been synthesized. Sandwich arsenomolybdates:(NH_4)_(12)[Cr_2AsMo_7O_(27_2]·11H_2O (1)(NH_4)_(14)[Cu_2AsMo_7O_(27_2]·13H_2O (2) Double sandwich arsenomolybdates:(NH_4)_(12)Cu(H_2O)_4[As_2Fe_6Mo_(22)O_(85)(H_2O)]·19H_2O (3)(NH_4)_(15)[As_2CoFe_5Mo_(22)O_(85)(H_2O)]·16H_2O(4)(NH_4)_(14)Mn_(0.5)[As_2Fe_5MnMo_(22)O_(85)(H_2O)]·22H_2O(5) Cagelike arsenomolybdate:(NH_4)_(11)[AgAs_2Mo_(16)O_(54)]·9H_2O (6) Organic-inorganic molybdenum arsenate complexes:CuAs_6Mo_6O_(30{[Cu_4]_3[CuAs_6Mo_6O_(30)]}_2·6H_2O (7),[Cu_2]_3[As_3Mo_3O_(15)]_2·2H_2O (8)(NH_4)_(10){Cu(H_2O)_4}[AsMo_6O_(21)(O_2CCH_3)_3]_2·12H_2O (9)All of the above polyoxomolybdates were characterized by IR spectroscopy, TG-DSC, elemental analysis, and single-crystal X-ray analysis to identify their structures and chemical compositions.

本文选择目前报道尚少的砷钼杂多化合物为研究重点，合成了不同结构类型的九个新的杂多化合物：单夹心化合物：(NH_4)_(12)[Cr_2AsMo_7O_(27_2]·11H_2O(1)(NH_4)_(14)[Cu_2AsMo-7O_(27_2]·13H_2O(2)双夹心化合物：(NH_4)_(12)Cu(H_2O)_4[As_2Fe_6Mo_(22)O_(85)(H_2O)]·19H_2O(3)(NH_4)_(15)[As_2CoFe_5Mo_(22)O_(85)(H_2O)]·16H_2O(4)(NH_4)_(14)Mn_(0.5)[As_2Fe_5MnMo_22_O_(85(来源：AbcccBC论文网www.abclunwen.comH_2O]·22H_2O(5)笼状结构化合物：(NH_4)_(11)[AgAs_2Mo_(15)O_(54)]·9H_2O(6)有机配体修饰的化合物：CuAs_6Mo_6O_(30{[Cu_4]_3[CuAs_6Mo_6O_(30)]}_2·6H_2O(7) [Cu_2]_3[As_3Mo_3O_(15)]_2·2H_2O(8)(NH_4)_(10){Cu(H_2O)_4}[AsMo_6O_(21)(O_2CCH_3)_3]_2·12H_2O(9)对上述新化合物进行了瓜光谱分析、元素分析、热分析和X-射线单晶衍射测试，确定了它们的组成和结构，对部分化合物还进行了UV-vis及荧光光谱分析和循环伏安表征。

The emphasis of future research is how to reduce the dissolution of heteropoly acid on supports.

对于杂多酸催化，今后的研究重点为如何减少杂多酸在载体上的溶脱问题。

It was proved that the yield of phosphotungstic was 86. 1%.The HPAs and supported HPAs were used in esterification.

将杂多酸与负载型杂多酸用作酯化反应的催化剂，考察其催化活性。

Because the tungsten from the phosphotungstic acid could pull out and deposit on the surface of catalyst, and the electronegativity of Mo-O is smaller than that of W-O.

最后，根据杂多酸的结构和相应的物理化学性质，对杂多酸与铂基催化电极电催化氧化甲醇的机理进行了初步探讨。

Germanotungtic acid catalyst can be used repeatedly. germanotungtic acid ; catalysis ; synthesis ; isoamyl salicyl

杂多酸及其盐是由杂多阴离子与反荷阳离子按确定比例组成的多核配合物，具有金属氧化物和

The tail group of cysteamine containing amine moiety can easily protonize in acidic conditions. Heterpolyanions was successfully immobilized on such a positive-charged surface. By using quartinized conducting polymer containing osimium-bipyridine complexes, a sandwiching multilayers has been fabricated.

利用氨端基自组装膜在酸性条件下荷正电的特点，成功地将荷负电的杂多酸分子固定于其上，并在此基础上，通过荷正电的季胺化聚合物组装了多层的杂多酸修饰电极。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷