本文报道了锆烯络合物对炔烃的烷基化加成，合成多取代烯烃，产率较高。
This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.
从收集到的液体燃料中检测出8种主要物质，分别为高级烯烃、炔烃、杂环化合物和多环有机物。
And there are 8 kinds of main components in liquid fuel, which belong to higher olefine hydrocarbon, acetylene series, heterocyclic compound and polycyclic organic matter.
炔雌醇口服生物利用度低，有胃肠道副作用，日给药次数多。
This drug has low bioavailability, adverse reaction of gastrointestinal tract by oral administration, and is administered frequency.
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