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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So N-Solv introduced purification equipment to separate methane from the propane before it is reused. The separated methane can also be used to heat the propane, further reducing energy costs.

因此，N - Solv公司引进了提纯设备，在重新使用回收的丙烷前从丙烷中分离出甲烷，而分离出来的甲烷也可以用来加热丙烷，这样就进一步降低的能源消耗的成本。

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However, the normalized S-N curves, by the corresponding ultimate strength at specific temperature, become mixed together. They are separate at least over 105 cycles.

然而由相对应温度之极限强度所无因次化的应力-振次曲线混在一起，而它们在高于105振次后会分开。

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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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