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。
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