最近经过改进，已经能利用高浓度全氟化合物，而不会引起医学并发症。

Improved fluorochemicals have recently made it possible to use a higher concentration of perfluorochemicals without causing medical complications.

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全氟化合物是一种新型持久性有机污染物，污水处理厂是其一个主要污染来源。

Perfluorinated compounds are emerging persistent organic pollutants. Wastewater treatment plants are reported to be one of their primary sources.

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目的 研究全氟化碳化合物（PFC）在大鼠离体心脏长时程低温保存中的作用。

Objective To investigate the effects of perfluorochemical (PFC) on in vitro long-term hypothermic heart preservation in rats.

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