• Heteropoly acid is a kind of cluster type compound of metallic oxide.

    杂多酸一类金属氧化物配合物固体

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  • The recent progress and application study of supported heteropoly acid catalysts are reviewed.

    文章对固载型杂多酸催化剂的重要性质近年来应用研究进展进行综述。

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  • Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials.

    本文以钨酸硝酸原料合成了钨钴杂多酸

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  • The structure characteristic of heteropoly acids and their application in catalytic reaction were reviewed.

    综述了杂多化合物结构特点及其催化反应中的应用

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  • ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene.

    ESR表明杂多酸催化剂气相硝化反应发生了还原反应。

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  • Heteropoly compounds, with the properties of quasi-liquid and super acid, has been widely applied to ester reactions.

    杂多化合物由于具有准液相超强酸性特征广泛用于各种酯类反应

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  • The research for heteropoly acids (HPA) and their salts has a quite important theoretical value and realistic meanings.

    认为杂多化合物深入研究具有十分重要理论价值现实意义

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  • Adipic acid is synthesized by oxidation hydrogen peroxide method with tungstate and peroxide heteropoly acid as catalysts.

    分别盐、过氧杂多化合物、杂多酸催化剂过氧化氧化法合成二酸。

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  • Catalyzed by insoluble rare earth salts of heteropoly acid, butyl acetate have been synthesized from butanol and acetic acid.

    乙酸丁醇为原料,不溶性杂多酸稀土为催化剂合成了乙酸

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  • The experimental results show that 11 heteropoly compounds measured in laboratory can inhibit the corrosion of steel in solutions.

    实验结果表明,所研究11杂多化合物碳钢均具有一定的缓蚀作用。

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  • Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso amyl alcohol in liquid phase.

    以钨锗杂多酸催化剂肉桂戊醇的液相酯化反应进行了研究

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  • The results showed that the molybdovanado phosphate heteropoly compound and cobalt complex were good catalysts for the catalytic oxidation of

    结果表明,钼磷杂多化合物络合物乙苯催化氧化反应理想催化剂,具有良好应用前景。

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  • The properties of the heteropoly acids and advances in heteropoly acids and their supported catalysts were reviewed, including different supports.

    介绍了杂多酸基本特性及其负载型催化剂研究进展包括不同类型的催化剂载体。

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  • Up to now, it has been limited to report the use of microwave technique to accelerate the heteropoly acid catalytic synthesis of fine organic chemicals.

    本文对微波促进杂多酸催化合成精细有机化学品进行了研究。

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  • Polyoxytertramethylene (PTMG) is synthetized in one step using heteropoly acid as catalyst. We discussed the factors which influenced the yield of PTMG.

    杂多酸催化剂一步合成聚四亚甲基醚醇(PTMG),对影响聚四亚甲基醚醇单程收率的各因素进行了讨论

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  • Four heteropoly complexes containing yttrium were synthesized by means of degradation or direct synthesis and were reported in this paper for the first time.

    降解法直接合成了未见报道四种多元杂多配合物。

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  • Since heteropoly acid is high yields, little pollution, the use of heteropoly acids (salts) as acid catalysts are increasingly attracted researchers 'interest.

    杂多酸作为催化剂污染利用杂多酸()作为催化剂研究越来越引起研究者的兴趣

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  • Besides, heteropoly hydrochloric acid can transmit proton and increase the catalytic activity of platinum catalyzer, which can improve the performance of cell.

    同时,杂多酸盐不仅能够传导质子,而且还有助于提高催化剂催化活性提高电池性能

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  • The present invention, thereby, provides a novel heteropoly acid catalyst having excellent methacrolein conversion rate, methacrylic acid selectivity and yield.

    因此,本发明提供了一种具有优异的异 丁烯醛转化率甲基丙烯酸选择性产率的新型杂多酸催化剂

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  • In the reversed-phase system, the influence of residual silanol groups of C18 bonded phase surface on the retention behaviors of heteropoly acid (HPA) anion is studied.

    体系中,研究了十八烷基键合相表面残留醇基对杂多酸阴离子保留行为影响

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  • A new method is presented for the spectrophotometric determination of Gibberellins, which is based on the reaction of phosphorus-molybdenum heteropoly acid with Gibberellins.

    本文研究了赤霉素磷钼杂多蓝形成反应中的现象,通过正交试验比较并优化了实验条件,建立测定赤霉素杂多酸光度

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  • In this paper, the optimized technological requirement of the synthesis of acrylate under the catalysis of heteropoly acid was gotten and polymerization retarder for acrylate.

    本文研究了杂多酸催化合成丙烯酸工艺条件及其丙烯酸酯的阻聚作用。

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  • The solid acid catalyst of supported heteropoly acid used for the synthesis of linear alkylbenzene from benzene and dodecene was characterized by using XRD, SEM, TEM and FT-IR.

    固定床反应器一定反应条件下,考察了改变烯摩尔比对负载杂多酸催化剂催化合成直链烷基的活性和选择性的影响。

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  • Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

    过氧化氧化剂十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化甲醛苯甲酸

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  • The present invention relates to a heteropoly acid catalyst which is used for the production of methacrylic acid by gas phase oxidation of methacrolein and a preparing method thereof.

    发明涉及一种用于通过异丁烯醛氧化制备甲基丙烯酸的杂多酸催化剂及其制备方法。

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  • The present invention relates to a heteropoly acid catalyst which is used for the production of methacrylic acid by gas phase oxidation of methacrolein and a preparing method thereof.

    发明涉及一种用于通过异丁烯醛氧化制备甲基丙烯酸的杂多酸催化剂及其制备方法。

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