Its hydrogenation activity in aromatics saturation and ring opening activity were investigated.

芳烃加氢饱和及开环反应是一种提高柴油十六烷值的有效途径.

PLA has been produced by ring-opening polymerization of lactide or direct polycondensation of lactic acid.

制备聚乳酸常通过乳酸的直接聚合或丙交酯的开环聚合两种方法。

This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.

综述了近年来各种五元氮杂环的开环反应及其在有机合成中的应用.

Polylactic acid synthesis in two major ways:direct polymerization and lactate lactide ring-opening polymerization.

聚乳酸的合成方法主要有两种：乳酸直接聚合和丙交酯开环聚合。

Kinetic modeling was carried out to explore possible reaction mechanism of methylcyclopentane ring opening aSiO 2.

用动力学模拟的方法探索甲基环戊烷在铂催化剂上开环的反应机理.

Results showed that imidazoline was hydrolyzed to amide by ring opening reaction under high temperature.

试验结果表明，高温条件下，咪唑啉发生开环反应，生成了酰胺类物质。

The recent progress in rhodium - catalyzed asymmetric ring opening ARO reactions of azabenzonorbornadienes is reviewed.

综述了铑催化不对称氧(氮)杂苯并降冰片烯开环反应的研究进展.

Poly(L-lactide)(PLLA) was synthesized by ring-opening polymerization of L-lactide using cyclic tin alkoxide compound as initiator.

以环烷氧锡化合物引发L-丙交酯开环聚合制备高分子量聚L-乳酸。

Polycaprolactone (PCL) is a biodegradable synthetic aliphatic polyester made by the ring-opening polymerization of caprolactone.

聚己内酯（PCL）的合成是一种可生物降解脂肪族聚酯由己内酯开环聚合的。

The results revealed that the components with bicyclic ortho ester had expansibility in the ring opening polymerization by initiation of cationic compounds.

对膨胀聚合反应研究发现，带有膨胀基团双环原酸酯的材料在阳离子引发剂存在下开环时具有膨胀特性。