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- heteropoly conpound 杂多化合物
- The heteropoly glucoside biological drilling fluid is a new drilling fluid. 杂多糖甙生物钻井液是一种新型钻井液。
- Conpound skin test of Beta-lactam have no unified rule,It brough some hidden troubles for clinical using drugs. 内酰胺类抗生素皮试液的配制方法没有统一规定,给临床用药带来隐患。
- 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。
- Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials. 本文以钨酸钠和硝酸钴为原料合成了钨钴杂多酸盐。
- 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。
- The research for heteropoly acids (HPA) and their salts has a quite important theoretical value and realistic meanings. 认为杂多化合物的深入研究具有十分重要的理论价值和现实意义。
- Heteropoly acids, Composite materials, Film catalyst, Esterification,Titanium dioxide, Photocatalysis, Photochromism. 01杂多酸;复合材料;膜催化剂;酯化;二氧化钛;光催化;光致变色
- 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。
- Eleven new charge transfer polyoxometalates have been synthesized from four heteropoly acids with Dawson structure and three heteroaromatic compounds. 以4种道森结构的杂多酸和3种芳香杂环化合物为原料合成了11种新型电荷转移多金属氧酸盐,研究了它们的红外光谱。
- 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;
- Tungsto-cobalt heteropoly salt of potassium with Dawson structure wassynthesized. it was characterized by IR, CV, DT and X-ray. 本文合成了Dawson结构的钨钴酸钾盐,并利用红外、紫外可见、循环伏安、差热和X-射线对它进行了表征。
- The POM changes into heteropoly blue after reaction, they also change back to POM by oxidation of heteropoly blue by small amount of H2O2. 多酸在反应后则转变为杂多蓝,而这些杂多蓝在少量H2O2的氧化下又可以逆变回杂多酸。
- 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。