Selection of solvent is the key for extraction to separate n-alkanes from diesels and to improve the flow ability of diesels at low temperature.

溶剂筛选是溶剂萃取脱除柴油中正构烷烃，改善柴油低温流动性能工艺过程的关键。

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The Obama administration has asked the Supreme Court to strike down the 1996 Defense of Marriage Act, which bars federal recognition of gay marriage, and in n a separate case asked the high court to overturn California's ban on same-sex marriage.

WSJ: GOP's Portman Supports Gay Marriage

The U.N. system has separate schools for boys and girls.

NPR: Women's Group Slams Gaza Law On Gender Segregation

In California no fewer than eight separate lawsuits have been filed involving either "Cap'n Crunch with Crunch Berries" or "Froot Loops" cereals.

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