diolefin

diolefin

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

三元乙丙橡胶（EPDM）是乙烯、丙烯和少量非共轭二烯烃的共聚物。

2. In addition, the compolymerzition of ethylene and conjugated diolefin is the base to explore the polymerization mechanism.

两者共聚合,性能相互补充,可得到性能优异的共聚物。另外,共聚合又可为聚合机理的探索提供重要依据。

3. The research of coplymerization of ethylene and conjugated diolefin has theory value as well as practical significance.

乙烯和共扼二烯烃的共聚合的研究不仅具有理论价值而且还有实际意义。

4. diolefin hydrogenate

二烯烃选择加氢

5. diolefin series

二烯系

6. The amount of C5/C9+ distillates in pygas, the amount of unsaturated hydrocarbon, mono - olefin and diolefin in C5 distillate, and the typical composition of C9+ are presented.

介绍裂解汽油中C5／C9+的数量;C5馏分中不饱和烃的含量及单双烯烃的量;C9馏分的典型组成。

7. Keywords FCC gasoline;diolefin;thiophenic sulfur compound;alkylation;desulfurization;deactivation mechanism;

催化裂化汽油;二烯烃;噻吩硫化物;烷基化;脱硫;失活机理;

8. Keywords Catalytic cracking light gasoline;Diolefin;tertiary carbonic olefin;Selective hydrogenation;Etherification;

催化裂化轻汽油;二烯烃;叔碳烯烃;选择性加氢;醚化;

9. Keywords Keywords: diolefin;hydrogenation;detergent;alkylate;

双烯烃;加氢;洗涤剂;烷基化;

10. conjugated diolefin

巫轭二烯

11. Abstract: this paper reviews the application of selective hydrogenation for diolefin in detergert synthesis. its devuelopmeut .present situation and foresighr in the world and China.

本文综述了双烯选择加氢技术在洗涤剂工业上的应用及其在国内外的发展过程、现状及前景。

12. cyclic diolefin resins

环二烯树脂

13. aliphatic diolefin

脂族二烯

14. Keywords Aromatization;Desulfurization;Existent gum;Diolefin;

芳构化;脱硫;实际胶质;二烯烃;

15. An optimum technological condition for separating the diolefin substance from raw materials by the solvent precipitation from dially alcohol ketone acetate waste residue was determined.

通过分析双烯醇酮醋酸酯废渣的组成,提出溶剂沉淀法回收分离废渣中的产品和原料的工艺路线,确定了优惠工艺条件。