石油和天然气中含有大量饱和烃,但很难分离出纯的某一烷烃。
Oil and natural gas contains a lot of saturated hydrocarbons, but it is difficult to isolate a pure alkane.
凝析油中不含胶质和沥青质,在轻质组分中(C<10)链状饱和烃含量为57%,环烷烃为35%。
There is no resin and asphaltene in the condensate, but 57% chain alkane and 35% cycloal-kane exist in light fraction ( C<10 ) .
这些沥青的饱和烃中正烷烃系列碳数分布完整,没有遭受过严重生物降解作用的迹象。
Then—alkanes with a complete range of carbon number are observed in the saturated hydrocarbons of the bitumen and no evidences of severe biodegradation occur.
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