The importance of heavy oils in petroleum processing is increasing.

重油的开发和利用日趋重要.

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Heavy oils viscous , with low API gravities are generated at the lower temperature.

重油(黏胶物, 低的API重力)是在低温形成的.

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In addition, these compounds may also find use as emulsifiers in situ recovery of heavy oils.

此外, 这些化合物也可用作重油初采的乳化剂.

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The results indicate that ionic liquids have good viscosity reduction property for heavy oils.

结果表明,离子液体对稠油具有较好的改质降豁作用.

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