藻类体是该区低熟油的重要生烃组分。
Alginite is the main hydrocarbon generating macerals for the low mature oil.
煤的生烃性与主要生烃组分的含量密切相关。
The hydrocarbon generation characteristics of coal correlates closely with the quantities of hydrocarbon generation maceral.
沥青基原油含较高比例的非烃组分，如氮、硫、氧的化合物。
An asphalt-base crude is one containing a relatively high proportion of nonhydrocarbon constituents such as nitrogen, sulfur, and oxygen compounds.
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