Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation).
烯烃：含有一对或多对由双键连接的碳原子的一类不饱和烃。
Solid titanium catalyst component, process for preparing same, olefin polymerization catalyst containing same and olefine polymerization process.
固体钛催化剂组分、其制备方法，含有该组分的烯烃聚合催化剂，以及烯烃聚合方法。
Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions.
过渡金属配合物，含有该配合物的催化剂组合物，及采用该催化剂组合物的烯烃聚合。
In the invention, a catalyst containing cobalt MCM-41 is prepared by the method of doping and loading, and has good olefin skeletal isomerization activity in the hydrodesulfurization condition.
本发明通过掺杂和负载的方法制备了含钴m CM - 41催化剂，在加氢脱硫条件下表现出良好的烯烃骨架异构活性。
The catalytic systems containing the surface-active phosphine show a clear matching relation between the length of olefin chain and hydrophobic chain of the surface-active phosphine.
在催化烯烃氢甲酰化反应时，观察到烯烃与膦配体之间有一定的链长匹配效应；
The release layer 12 is formed by extruding a release-layer forming material containing a silicone-modified polyolefin resin in which silicone is chemically bonded to the olefin polymer.
该剥离层(12)通过将包含有机硅与烯烃类聚合物化学结合的有机硅改性聚烯烃类树脂的剥离层成形材料挤出成形而得到。
A method is described for refrigerant supply of a low-temperature separation stage in a plant for producing olefins from hydrocarbon-containing feed (olefin plant).
本发明描述了在从含有烃类的进料制造烯烃的装置(烯烃装置)中的低温分离阶段的制冷供应的方法。
A method is described for refrigerant supply of a low-temperature separation stage in a plant for producing olefins from hydrocarbon-containing feed (olefin plant).
本发明描述了在从含有烃类的进料制造烯烃的装置(烯烃装置)中的低温分离阶段的制冷供应的方法。
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