但在结束时，收率计算和评估放在批记录中也是很重要的。

It is also important here that at the end a yield calculation and evaluation in the batch record appears.

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USP方法对有些溶剂回收率较低。USP是否建议在计算中加入回收校正因子？

The USP method shows less recovery for some of the solvents. Will USP propose recovery correction factor for calculations?

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此外，用孔隙度变化公式还可以计算岩石弹性可采储量和弹性采收率。

Moreover, using porosity changing formula can calculate the rock elastic recoverable reserves and elastic recovery.

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