查询词典 iodic anhydride

The above resins are irregular transparent solid which are the products of esterification by pentaerythrite and the adducts of rosin and maleic anhydride.

马林酸树脂又名失水苹果酸树脂，由松香与顺丁烯二酸酐加成反应后并以多元醇酯化而制得的不规则透明粒片状固体。

Power, formaldehyde, pentaerythritol, stupid anhydride four workshops.

动力、甲醛、季戊四醇、笨酐四个车间。

Perosmic anhydride when 48 degrees Celsius will melt, to 130 degrees Celsius when will seethe with excitement.

四氧化锇在48摄氏度时会熔化，到 130摄氏度时就会沸腾。

Deoxybenzoin(3) was prepareded by using the resorcinol and substituted phenylacetic as starting meterials in microwave-mediated.Then the compound(3) was reacted with acetic anhydride to produce(4).The compound(4) was hydrolyzed to convert compound(5) in the acid-mediated. The compound(5) was reacted with the 1,2-dibromo-ethane and 1,3-dibromo-propane in refluxed condition with acetone as solvent to give(6) or(7),respectively.Lastly,the title compounds were synthesized by refluxing(6) or(7) with 2-methyl-benzimidazole and potassium carbonate in acetone solution.

以取代苯乙酸和间苯二酚为起始原料，用微波辐射法合成脱氧安息香(3)，(3)与乙酸酐缩合生成2-甲基-7-乙酰氧基异黄酮(4)，(4)在酸性条件下水解生成相应的异黄酮(5)，化合物(5)分别与1，2-二溴乙烷和1，3-二溴丙烷反应生成(6)和(7)，化合物(6)和(7)再分别与2-甲基苯并咪唑偶合生成目标化合物。

The purpose of this thesis is just to search a novel synthesis of thiourea, and to use thiourea in dealing with the waste water from the production of phthalic anhydride, and the application of thiourea in solid-state reactions at low heating temperature was also studied.

本论文研究的目的就是寻找一种合成硫脲新的工艺过程，且尝试以合成得到的产物硫脲应用于工业苯酐废水的处理，同时对硫脲在低热固相化学中的应用进行了初步的探索。

The gas phase oxidation of o-xylene to phthalic anhydride at low oxygen concentration was studied.

近年来，国外对邻二甲苯氧化制苯醉的高负荷催化剂进行了大量的研究工作，其中V-Ti系催化剂得到广泛的应用

This company now has the productivity of 50 thousand ton phthalic anhydride a year, which takes the third place among the same kind of national trade.

随着相关行业的快速发展，市场对苯酐的需求量增长较快。

A widely used durable synthetic resin derived from glycerol and phthalic anhydride.

这个盆是用合成树脂做的。

The heat and mass transfer in Phthalic Anhydride desublimation process on plate has been studied experimentally.

一、月U舀苯配是重要的基本有机化工原料之一，广泛应用于化工、轻工、医药、塑料等行业·2：。

Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol,from which certain synthetic dyes are derived.

酞一组化合物之一，由邻苯二甲酸酐和酚反应而成，某些合成染料是由此提取的

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。