heteropolyacid
英
美
n. 杂多酸
双语例句
- Catalytic Synthesis of Isoamyl Propionate on Heteropolyacid Immobilized on SiO_2 Composition and Corrosion Resistance of Molybdate/ Silane Composite Films on Galvanized Steel
硅胶固载磷钼杂多酸催化合成丙酸异戊酯镀锌钢上钼酸盐/硅烷复合膜的组成与耐蚀性 - Study on the catalytic performance of supported heteropolyacid catalysts to the etherification of light FCC gasoline
固载杂多酸催化剂的轻汽油醚化反应性能研究 - Studies on Catalytic Synthesis of n-Butyl Acetate Using Phosphomolybdate Vanadium Heteropolyacid
磷钼钒杂多酸催化合成乙酸正丁酯的研究 - Catalysis for Ethanol to Ethylene by High Specific Surface Active Carbon Supported Phosphotungstic Heteropolyacid
高比表面积活性炭负载磷钨酸催化乙醇制乙烯 - Progress in Heteropolyacid Quaternary Ammonium for Oxidation Reaction
杂多酸季铵盐在氧化反应中的应用研究 - Study on tetrahydrofuran ring-opening polymerization initiated by low-concentration heteropolyacid
低浓度杂多酸引发四氢呋喃开环聚合的研究 - Heteropolyacid/ sulfonated poly ( aryle ether ketone sulfone) composite proton exchange membrane for high temperature fuel cell applications
磷钨酸/磺化聚芳醚酮砜复合型高温燃料电池用质子交换膜 - Reaction condition for synthesis of n butyl acetate was investigated using the heteropolyacid catalyst.
并利用所制备的活性炭固载型杂多酸催化剂，探讨了醋酸正丁酯的合成反应条件。 - Solid heteropolyacid ( salts) catalysts are new generation with strong acidity, high activity and selectivity and friendly to environment.
固体杂多酸（盐）催化剂以其强酸性、高催化活性、高选择性和对环境友好等优点被誉为新一代催化剂。 - Progresses in Synthesis of Composite of Molecular Sieve with Heteropolyacid and Its Application as Catalyst
分子筛杂多酸复合物的制备及其在催化反应中应用的研究进展 - The TEM results showed that the status of heteropolyacid on the supporter for the fresh and deactivated catalyst was ultra fine particle.
TEM表征结果揭示了新鲜催化剂和失活的催化剂上负载的杂多酸均处于超细微粒子状态。 - Catalyst is a key factor for the alkylation reaction technology. Properties of catalysts such as fluorinated silica-alumina, molecular sieve, heteropolyacid and ionic liquid were evaluated.
催化剂是决定烷基化反应技术水平的一个关键因素，评价了氟化硅铝、分子筛、杂多酸及离子液体等催化剂的性能。 - Alkaline dye malachite green and phosphomolybdic heteropolyacid in sulfuric acid medium can form 3:1 green associated ions. It is used to photometrically determine the phosphoric acid content of phosphate solution in aqueous phase, in the presence of special surfactant polyvinyl alcohol.
本文研究了用碱性染料孔雀绿和磷钼杂多酸在硫酸介质中形成3：1的绿色离子缔合物，在特殊表面活性剂聚乙烯醇存在下，在水相中直接光度法测定磷化溶液中的磷酸。 - Research and applications of heteropolyacid catalyst in organic synthesis over past 19 years
有机合成中杂多酸催化应用研究十九年 - Etherification of ethanol with ethylene oxide was investigated systematically with heteropolyacid as pseudo liquid phase catalyst.
考察了在杂多酸准液相催化剂上乙醇和环氧乙烷醚化反应。 - The preparation method of new type Mo-V-P ( Keggin type heteropolyacid) catalyst and new technique for catalyze synthesis n-butyl benzoate with this catalyst ( applied example), which were detailed described in this paper.
详实地阐述了新型Mo-V-P杂多酸催化剂的制备方法及其应用实例&催化合成苯甲酸正丁酯新工艺。 - At a certain acidity, the silicic acid reacts chemically with ammonium molybdate to soluble silicon molybdenum heteropolyacid.
在一定酸度下，硅酸与钼酸铵作用，生成可溶性的硅钼杂多酸。 - It is important for study on heteropolyacid.
此法在杂多酸化学中有着重要的意义。 - It is suggested that amino sulfonic acid, strongly acidic cationic exchange resin, sodium sulfate monohydrate, solid super acid, heteropolyacid and Vitamin C are valuable catalysts in practice for synthesizing p-hydroxyl butyl benzoate.
认为氨基磺酸、强酸性阳离子交换树脂、一水硫酸氢钠、固体超强酸、杂多酸和维生素C是在合成对羟基甲酸丁酯中具有实用价值的催化剂。 - The variety of environment friendly catalysts for synthesis of glyceryl triacetate were reviewed in detail including the immobilized p-toluene sulphonic acid, aminosulfonic acid, inorganic chloride, cationic exchange resin, rare earth solid acid, solid superacid, heteropolyacid and zeolite.
详细评述了合成三醋酸甘油酯使用的环境友好催化剂品种，包括固定化对甲苯磺酸、氨基磺酸、无机氯化物、离子交换树脂、稀土固体酸、固体超强酸、杂多酸及分子筛； - 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。 - In this paper it have bee introduced that the research achievement on synthesis of esters by heteropolyacid catalyzed carboxylic acid and alcohols in recent years.
介绍了近年来杂多酸及其盐作为酸催化剂在催化酸与醇反应合成酯的研究成果。 - A Study on the Catalytic Behaviors of Concentrated Heteropolyacid Solution I. A Novel Catalyst for Isobutane Alkylation with Butene
高浓度杂多酸溶液催化性能的研究Ⅰ.一种新型异丁烷/丁烯烷基化催化剂 - Study on thermal stability of MOLYBDENUM-PHOSPHORUS and molybdenum-silicon heteropolyacid salts with Keggin structure
Keggin结构钼磷和钼硅杂多酸盐热稳定性研究 - On the epoxidation reaction of maleic acid by heteropolyacid catalyst
以杂多酸为催化剂研究顺丁烯二酸的环氧化反应 - Latest researches in solid superacid catalysts and the focus and trends in this aspect were outlined and existing solid superacid catalysts for alkylation were reviewed, including metal halides catalysts, zeolite catalysts, metal oxide catalysts and heteropolyacid catalysts.
叙述了目前固体超强酸的研究现状及其研究重点和方向。综述了现有的用于烷基化反应的固体超强酸催化剂，包括金属卤化物催化剂、分子筛催化剂、金属氧化物固体超强酸催化剂和杂多酸催化剂。 - Based on the recent trends, research advances of sulfonic acid resin, zeolite, heteropolyacid is reviewed, and the effect of zeolites structure, acid density, acid strength on etherification property is discussed in this paper.
针对近期的发展动态，着重综述了大孔磺酸型离子交换树脂、分子筛、杂多酸等新型醚化催化剂的研究进展，详细讨论了分子筛催化剂的结构、酸密度、酸强度对醚化性能的影响。 - A new heteropolyacid ( HPA)/ TiO_2-SnO_2 solid acid catalyst was prepared under microwave and characterized by TEM, TG-DTA and IR.
采用微波法制备了混合金属氧化物固载的杂多酸（HPA）催化剂HPA/TiO2SnO2，通过TEM、IR和TGDTA等测试手段对催化剂进行了表征。 - Based on the above, this paper designs the magnetic heteropolyacid compound catalysts to synthesis fatty acids methyl esters.
基于以上设想，本文设计合成磁性杂多酸复合催化剂，催化制备脂肪酸甲酯。 - In this work, heteropolyacid catalysts supported on silica was prepared and characterized, and their performance for catalyzing esterification of 2-butene with acetic acid was evaluated.
本论文系统的研究了二氧化硅负载杂多酸催化剂的制备、表征及催化2-丁烯与醋酸直接酯化反应性能。