Bohai 36 1 crude is classified to low sulfur naphthenic base crude oil, which is a good feedstock for producing high grade road asphalt.

渤海36 1原油属低硫环烷基原油，是生产优质道路沥青的良好原料。

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The research proved that the copolymer have very good pour point depressing effect on paraffin-base crude oil. It is a new kind of pour depressor.

研究表明，该共聚物对某些含蜡原油有很好的降凝作用，是一种新型的原油降凝剂。

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An asphalt-base crude is one containing a relatively high proportion of nonhydrocarbon constituents such as nitrogen, sulfur, and oxygen compounds.

沥青基原油含较高比例的非烃组分，如氮、硫、氧的化合物。

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So long as they buy dollars, and use dollars as a base to sell crude oil from Iran to China, or sugar from Brazil to Russia, then the dollar will remain the most important currency on the planet.

FORBES: What Happens in a World Without Dollars?