链烃类 meaning in Chinese

catenanes

Study on extraction and stability of pigment in the leaves of forsythia viridissima flower
分子连接性指数用于饱和链烃类化合物相关性的研究
A . enzymes transform complex , recalcitrant aromatic and aliphatic hydrocarbons that are not easily biodegradable to simple fatty acids , thereby accelerating biological cleanup
答：酶能转化复杂的，难降解的芳烃和直链烃类化合物，并不是轻易地将它们生物降解为为简单的脂肪酸，而是加速生物清除的过程。