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- ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene. 66kg-NB/kg-cat·h。 ESR谱表明：杂多酸催化剂的钨在苯气相硝化反应中发生了还原反应。
- Described the feasibility of taurine synthesis with the waste heteropoly acid through the ethanolamine esterification. 摘要叙述了用废杂多酸通过乙醇胺酯化法制备牛磺酸工艺的可行性；
- Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime. 首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。
- 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。
- This paper reviews the application of mixed ligand complex, surfactant and ternary heteropoly acid in polarographic analysis. 本文综述了混配络合物、面活性剂、元杂多酸在极谱分析中的应用,揭示了三元络合物在极谱分析中应用的乐观前景。
- The titration of aqueous solutions of heteropoly acid H 3PW 12 O 40 (PW 12 ) with bases MOH(M=Li +,Na +,K +,Mg +,Ca 2+ ) was monitored by 31 P NMR. 介绍了31 P核磁共振监测下 ;MOH(M =Li+ ;Na+ ;K+ ;Mg+ ;Ca2 + )滴定不同浓度的H3PW1 2 O4 0(简称PW1 2 )的水解情况 .
- The infrared spectra of ion-associate for Nile blue and butyl rhodamine B-molybdoniobate heteropoly acid have been studied. 研究了耐尔蓝、丁基罗丹明B-铌钼杂多酸缔合物的红外光谱;
- The synthesis of diisooctyl glutarate by esterification of glutarie acid with isooctryl alcohol by heteropoly acid was proposed in this paper. 用硅钨杂多酸催化合成了增塑剂戊二酸二异辛酯。
- Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso-amyl alcohol in liquid phase. 以钨锗杂多酸为催化剂，对肉桂酸与异戊醇的液相酯化反应进行了研究。
- The preparation method of tributyl citrate and acetyl tributyl citrate by solid super acid,rare earth solid acid,heteropoly acid et al.were reviewed. 介绍了固体超强酸、稀土固体酸,杂多酸等催化剂的催化效果和特点。
- In this paper, butyl nipagin was synthesized with solid heteropoly acid as catalyzer ,p-hydroxybenzoic acid and isobutanol as raw material. 本文以固体杂多酸为催化剂,以对羟基苯甲酸与异丁醇为原料合成尼泊金丁酯。
- Methyl Glycyrrhetate Acetate was synthesized successfully by hydrothermal method with Glycyrrhizic Acid while using Heteropoly Acid as catalyst. 以甘草酸为原料,以杂多酸作为催化剂,采用水热法合成了乙酰甘草次酸甲酯;
- In this paper the PM011V1 heteropoly acid(HPA)catalysts are prepared by PM011V1 HPA added with pridine,quinoline and urea respectively. 本文研究了PM011V1杂多酸分别加入吡啶、喹啉和尿素制备的催化剂的结构、性质和MAL气相氧化为MAA的催化活性。
- 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. 以过氧化氢为氧化剂,十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化苯甲醛制苯甲酸。
- The synthesis of acetylsalicylic acid from salicylic acid and acetic anhydride, using heteropoly acid of silicotungstic acid supported on activated carbon as catalyst was studied. 以水杨酸和乙酸酐为原料,负载型杂多酸为催化剂合成了乙酰水杨酸。
- The synthesis methods of 2 methoxyethanol were introduced and the new advance in the field of catalyzers, such as NKC 01, NKC 1A, MTZ and heteropoly acid, was presented. 介绍了乙二醇单甲醚的合成方法。报道了其合成工艺技术方面的新进展，如新的催化剂NKC-01、NKC-1A、MTZ、杂多酸等。
- Diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst. 以从二羧酸中分离出的戊二酸酐和乙醇为原料，用杂多酸为催化剂，合成了戊二酸二乙酯。
- The heteropoly acid (PW_(12)) supported on montmorillonite modified by surfactant catalyst was prepared by means of impregnation and refluxing-adsorption methods. 以表面活性剂修饰的蒙脱石为载体,选取不同溶剂,采用浸渍法、回流吸附等方法,将磷钨杂多酸负载于表面活性剂修饰的蒙脱石上。
- The results showed that the salt of heteropoly acid had rather high catalytic activity,the yield of the ester reached 91.6%,and the catalyst is insoluble in alcoh... 实验考察了催化剂用量、醇酸的量比、反应时间对酯收率的影响。
- 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. 利用XRD、SEM、TEM、FT-IR对已制备的苯和十二烯合成直链烷基苯负载杂多酸催化剂进行基本表征。
