alky

relative abundance of alkyl benzenes isomeride decreases, whereas n-alky benzenes increase.

而正构烷基苯相对丰度有增加的趋势。

The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

二烯烃和烯基芳烃是非常不稳定的组分，可聚合产。对于给定烯烃和烷基芳烃，氢化可以改善产品质量。