propylene

propylene dimerization

丙烯二(法)

ethylene-propylene terpolymer

烯-丙烯三物

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

实践证明,深井曝气生处理技术处理环氧丙烷皂污水是有效的。

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

摘要报道了三元共物甲基撑-环己撑碳酸酯的制备与性能研究。

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

通过分析正碳离子的生成与裂解反应特点，探讨了丙烯的生成规律。

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

丙烯是一种受热易气、受压易液的常用石油气。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催剂采用酯法合成丙二醇单醚酸酯。

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

以对甲苯磺酸为催剂,通过苄叉丙酮与-1,2-丙二醇反应合成了苄叉丙酮-1,2-丙二醇缩酮。

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

三元丙橡胶（EPDM）是烯、丙烯和少量非共轭二烯烃的共物。

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

水（水） ，甘油，丙二醇，羟基纤维素， Tetrasodium二胺四酸，柠檬酸，苯甲酸钠。

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,环氧氯丙烷的大于环氧丙烷、丁基醚环氧烷。

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

分别阐述了全氟丙烯和四氟烯全氟代烷基烯基醚共物的结构和力学热学、辐射、学性能。

Water, Cetyl Alcohol, Propylene Glycol, Sodium Lauryl Sulfate, Stearyl Alcohol, Methylparaben, Propylparaben, Butylparaben.

水，十六醇，丙二醇，十二烷基硫酸钠，硬脂醇， Methylparaben ， Propylparaben ， Butylparaben 。

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.

采用金属钙、脱水液氨、载体纳米二氧硅及改性剂腈与环氧丙烷制备出氨钙体系催剂。

Using trichlorosilane,propylene chloride as raw material and platinic compound as catalyst, γ-chloropropthy1 richlorosilane was synthesized with new process in with the rield is 86%.

用三氯氢硅、氯丙烯为原料,在新型的铂物催下,采用新工艺合成的γ-氯丙基三氯硅烷,收率达86%;