Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.

环化合物，环硫化合物和乙烯亚胺也可以按类似于环?睦胱拥幕?理进行聚合。

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皂化污水是行之有效的。

The cationic ring-opening polymerizations of epoxide based monomers were studied using tris(2-hydrooxyethyl) isocyanurate(THEIC) as initiator and trifluoroboron plus ether complex system as catalyst.

发现THEIC环单体可在非均相体系中进行阳离子开环聚合反应。

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、载体纳米二化硅及改性剂乙腈环制备出氨钙体系催化剂。

A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.

采用工业脂肪酸和环乙加成法研制成乳化剂,进而获得一种新型染料防尘剂。

A divided flow cell is used for electrolysis of NaBr aqueous solution.The anolyte containing Br 2 and catholyte containing NaOH are produced simultaneously and in turn to epoxide HFP to HFPO.

在由离子膜分隔的电解槽中电解溴化钠溶液,所产生的含溴阳极液和碱性阴极液,分别是由全氟烯合成全氟环的环化剂和皂化剂。