1.
A New Method for Determination of Purity of 3,3′,4,4′-Biphenyl-tetracarboxylic Dianhydride
一种测定3,3′,4,4′-联苯四甲酸二酐纯度的新方法
2.
Synthetise Research of Biphenyltetracarboxylic Dianhydried and Biphenyl-Polimide;
联苯四酸二酐异构体及联苯型聚酰亚胺的合成研究
3.
Productive Process of PMDA by Air Phase Oxidation and Its Collecting Methods by Condensing Mode;
气相法均苯四甲酸二酐生产工艺及其冷凝态收集方法
4.
Pretreatment of high concentration pyromellitic dianhydride production wastewater by Fenton reagent
Fenton试剂预处理高浓度均苯四甲酸二酐生产废水的研究
5.
Suitable anhydrides for use in this process include phthalic, maleic, and succinic.
适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。
6.
Study of 1,4-benzenediamine/4,4'-diamino Diphenyl/pyromellitic Dianhydride Polyimide Fiber;
对苯二胺/4，4'-二氨基二苯醚/均苯四酸二酐型聚酰亚胺纤维的研究
7.
Study of 1,4-benzenediamine/4,4 -diamino Diphenyl/pyromellitic Dianhydride Polyimide Fiber;
对苯二胺/4，4 -二氨基二苯醚/均苯四酸二酐型聚酰亚胺纤维的研究
8.
Study on Kinetics of Polyesterification of Phthalic Anhydride with Diethylene Glycol
邻苯二甲酸酐与二甘醇的聚酯化动力学研究
9.
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。
10.
tetramethyl-p-phenylenylendiamine hydrochloride
四甲基对苯二胺盐酸盐
11.
polyalkoxylated derivatives-determination of hydroxyl value-phthalic anhydride method
聚烷氧基化衍生物-羟值的测定-邻苯二甲酸酐法
12.
Determination of Chromium in Water Samples by Phthalic Anhydride-0.2% Diphenyl Carbazide-Ethyl Alcohol Spectrophotometry;
苯二甲酸酐——0.2%DPC——乙醇分光光度法测定水中铬
13.
Study on the Optimal Conditions for Sublimate Crystallization Refining of Pyromellitic Dianhydride
均苯四酸二酐凝华结晶精制的最佳条件研究
14.
Dacthal(dimethyl tetra chloroter ephthalate)
四氯代对苯二甲酸二甲酯
15.
Synthesis of cis,trans,cis 1,2,3,4Cyclobutanetetracarboxylic Dianhydride
顺,反,顺-1,2,3,4-环丁烷四甲酸二酐的合成研究
16.
Synthesis 1,4-bis[β-(p-phthalic anhydride)ethynyl]benzene via C-C coupling reaction
碳-碳偶合反应合成1,4-双[β-(p-邻苯二甲酸酐)乙炔基]苯
17.
The Reaction of Phthalic Anhydride and Butyl Alcohol Catalused by Resin;
强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应
18.
Synthesis and Properties of Terpolymers Derived from Carbon Dioxide,Propylene Oxide and Phthalic Anhydride
二氧化碳/环氧丙烷/邻苯二甲酸酐三元共聚物的合成及性能