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- Isomeric dianhydride 异构二酐
- To become changed into an isomeric form. 异构变成了一种异构形式
- Any of three isomeric compounds,C7H9N,used to make dyes. 甲苯胺三种同分异构化合物中的一种,C7H9N,用来制作染料
- Any of three isomeric compounds, C7H9N, used to make dyes. 甲苯胺三种同分异构化合物中的一种,C7H9N,用来制作染料
- ZL-001 and ZL-003 are the isomeric compounds of ZL-016 and ZL-017 respectively. ZL-001和ZL-003分别与ZL-016和ZL-017互为同分异构体,文中分别从反应机理及谱图上的差别对目标化合物的结构进行了探讨。
- The paper explores data exchange mode for isomeric system profitably. 为异构系统的数据交换模式进行了有益的探索。
- The key to development the PI is the industrialization of Biphenyltetracarboxylic dianhydride(BPDA). 发展联苯型聚酰亚胺的关键是解决主要原料联苯四酸二酐的工业化生产。
- C.I. pigment red 179 was synthesized by condensing 3, 4, 9, l0-perylene tetracarboxylic dianhydride with methyl amine. 摘要本文以3,4,9,10-苝四甲酸二酐和一甲胺为原料,以脂肪醇催化制备苝系颜料的方法。
- The effect of reaction temperature of the formation on thioether dianhydride monomer was discussed. 讨论了温度对硫醚二酐形成的影响。
- In this paper, 1, 2, 3, 4-butanetetracarboxyl dianhydride was prepared from butadiene and maleic anhydride. 本文从一般原料出发,经过三步合成出1,2,3,4-丁烷四羧酸二酐。
- The univalent organic radical,C5H11,occurring in many organic compounds in eight isomeric forms. 戊烷基单价有机基,C5H11,以八种异构形式出现在很多有机化合物中
- Any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent. 这种碳氢化合物的任何一种同分异构体,见于石油中,用作燃料和溶剂。
- Data warehouse (DW) can homogenize isomeric data and has a complex analysis function. 现有的基于数据库系统的水环境质量评价系统面向的对象单一,分析功能弱。
- Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized. 以氯化亚矾及均苯四甲酸酐为主要原料通过酰氯法合成了对位均苯二甲酯二酰氯。
- The poly(urethane-imide) (PUI) which uses isophorone diisocyanate, dispersed red 19 (DR-19), and pyromellitic dianhydride is synthesized. 以异佛尔酮二异氰酸酯,分散红-19和均苯四甲酸二酐合成聚氨酯-酰亚胺(PUI);
- With58 references this review deals with the synthesis, characteristics and application of EDTA dianhydride and their derivatives. 本文综述了EDTA二酐及其衍生物的合成、性质和应用。
- Any of three colorless,flammable isomeric hydrocarbons,C5H12,derived from petroleum and used as solvents. 戊烷有三种同分异构体的无色可燃烷烃,C5H12,从石油中提炼,可用做溶剂
- The structure of 1,4-bis(3,4dicarboxyphenoxy)benzene dianhydride and other intermediates were confirmed by IR,1H-NMR spectra. 用IR,1H-NMR表征了1,4-双(3,4-二羧基苯氧基)苯二酸酐及其他中间体化合物的结构。
- The effects of 1, 2, 4, 5-benzenetetracarboxylic acid dianhydride introduced during the esterification process were also investigated. 同时研究了酯化过程中引入的均苯四酸二酐的作用。
- Isomeric alcohols, tertiary amines are less water soluble than their isomeric primary and secondary amines. 异构的醇,叔胺的水溶性比其异构的伯胺和仲胺