Water (Aqua), Glycerin, Propylene Glycol, Hydroxyethylcellulose, Tetrasodium EDTA, Citric Acid, Sodium Benzoate.

水（水） ，甘油，醇，羟乙基纤维素， Tetrasodium乙胺四乙，柠檬，苯甲钠。

Benzalacetone 1,2-propylene glycol ketal was synthesized from benzalacetone and 1,2-propylene glycol in the presence of ptoluene sulphonic acid.

以对甲苯磺为催化剂,通过苄叉与-1,2-醇反应合成了苄叉-1,2-醇缩。

Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.

烯是一种受热易气化、受压易液化的常石油气。

The terpolymerization of propylene oxide (PO) and cyclohexene oxide (CHO) with carbon dioxide (CO2) was investigated.

摘要报道了三元共聚物聚甲基乙-环己酯的制备与性能研究。

However,using THEIC initiator,the reaction rate for epichlorohydrin is faster than that of propylene oxide and 2-butoxyxirane,respectively.

在THEIC体系,就链引发而言,环氧氯烷的大于环氧烷、丁基醚环氧乙烷。

Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer.

分别阐述了聚全氟乙烯和四氟乙烯全氟代烷基乙烯基醚共聚物的结构和力学热学、辐射、化学性能。

Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.

三元乙橡胶（EPDM）是乙烯、烯和少量非共轭烯烃的共聚物。

It is proved effective that deep well aeration biological treat propylene technology is used to treat propylene epoxide saponated sewage.

实践证明,深井曝气生化处理技术处理环氧烷皂化污水是行之有效的。

The behavior of forming and cracking of carbenium ions was analyzed and the reaction pathway of propylene formation was summarized.

通过分析正离子的生成与裂解反应特点，探讨了烯的生成规律。

Calcium ammine catalyst was prepared with metal calcium,dehydrated liquid ammonia as raw materials,nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.

采金属钙、脱水液氨、载体纳米氧化硅及改性剂乙腈与环氧烷制备出氨钙体系催化剂。