查询词典 anhydride

A novel trifunctional fluorinated epoxy compound was synthesized, which was cured with one alicyclic anhydride and two aromatic diamines, respectively.

固化后的含氟三官能团环氧树脂表现出高玻璃化转变温度、低介电常数、低热膨胀系数、低吸水率等特点。

2A series of alternating polyamide-imideswith fluorenyl cardo structure was synthesized by "one-pot" polycondensation of cardo diamines,trimellitic anhydride and various aromatic diamines including p-phenylene diamine,m-phenylene diamine, 4,4\'-oxydianiline,3,4\'-oxydianiline,2,2-bis[4-(4-aminophenoxy)phenyl]propane, 2,2-bis[4-(3-aminophenoxy)phenyl]propane respectively using triphenyl phosphite as condensing agents.

采用"一锅法"(One—pot Synthesis)，由Cardo二胺、偏苯三酸酐和不同二胺包括对苯二胺、间苯二胺、4，4\'—二氨基二苯醚、3，4\'—二氨基二苯醚、2，2—双[4—(4—氨基苯氧基苯基]丙烷和2，2—双[4—(3—氨基苯氧基)苯基]丙烷合成了一系列含有芴基Cardo结构的交替聚酰胺酰亚胺。

Poly is synthesized by the directly reaction of maleic anhydride and ammonia in water.

以顺丁烯二酸酐和浓氨水为原料采用直接液相聚合的方法合成了聚天冬氨酸。

DL-Asparagine was produced by ammonolysis of maleic anhydride in the presence of N catalyst in a stainless steel autoclave.

在一内衬钛材的不锈钢高压釜中，采用自制的N催化剂，通过马来酸酐氨解反应合成了DL-天冬酰胺。

The diamyl glutarate was synthesized by esterification of n- amyl alcohol and glutaric anhydride separated from dicarboxylic acid by catalysis of silicotungstic acid.

以正戊醇和从二羧酸中分离出的戊二酸酐为原料，以硅钨杂多酸为催化剂进行酯化反应，合成戊二酸二正戊酯。

Introduced the market demand of anhydride of domestic and international benzene and price case and development trend.

介绍了国内外苯酐的市场需求和价格情况以及发展趋势。

With the rapid development of related trades, the demand of markets for phthalic anhydride growths more rapidly.

随着相关行业的快速发展，市场对苯酐的需求量增长较快。

So the construction of this project can change the distribution structure of the production of maleic anhydride in china

因此本项目的建设，可以改善我国顺酐生产布局结构。

Maleic anhydride is a important organic raw, the research of determination the content of it has practical meanings.

顺丁烯二酸酐是一种重要的有机原料，对其含量的测定有很大意义。

Therefore, determination the content of maleic anhydride in different conditions is researched.

因此，研究了各种条件下测定顺丁烯二酸酐的含量。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。