原油中存在不饱和链状化合物及其高的CPI值和甾烯醇都说明原油具有低的成熟度。
The existence of abundant unsaturated liner compounds and stenols as well as high CPI values of liner compounds shows the low maturity of the crude oils.
单链不饱和脂肪有助于降低LDL，提升高密度脂蛋白(HDL)，一种“好”的胆固醇。
Monounsaturated fat helps lower LDL and raise high-density lipoprotein (HDL), the "good" cholesterol.
这些分子的“不饱和”碳键可以使它们形成长链，称为聚合物。
These molecules have "unsaturated" carbon bonds that allow them to be hooked together in long chains, called polymers.
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