链二烯,二烯烃
It is caused by the property change of feed stock in storage process and alkadiene polymerization. 造成这一问题的主要原因，是原料油性质在存储过程中发生变化、二烯烃发生聚合。
Most insect sex pheromones consist of conjugated alkadiene.The activity of a pheromone has a lot to do with its configuration, position of the alkadiene. 许多昆虫性信息素具有共轭二烯的结构,它们的双键位置和几何构型是决定其生物活性的重要因素。
Keywords insect sex pheromones;conjugated alkadiene;syntheses; 昆虫性信息素;共轭二烯;合成;
conjugated alkadiene 共轭链二烯
