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pyromellitic

pyromellitic

pyromellitic

pyromellitic

2

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 ）；

3

A method of producing pyromellitic dianhydride .

一种均苯四甲酸二酐的生产方法。

4

Synthesis and Characterization of Tb-Pyromellitic Acid Luminescent Chelate

均苯四甲酸铽发光配合物的合成与表征

5

Application of the Gravity Heat Pipe Heat Exchangers in Production of Pyromellitic Dinahydride Anhydride

重力热管换热器在均酐生产中的应用

6

Pyromellitic Dinahydride Anhydride ; Gravity Heat Pipe Heat Exchanger ; Application ;

均苯四甲酸二酐；重力热管换热器；应用；

7

Recovery and Determination of Pyromellitic Acid in Wastewater

废水中均苯四甲酸的回收与测定

8

Test Method for Hydroxyl Groups by Pyromellitic Dianhydride Esterification

用均苯四酸二酐的脂化作用测定羟基团的试验方法

9

Recycle of pyromellitic dianhydride from waste of production

均苯四甲酸二酐生产中废料的回收利用

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