The document also recommends that engineers continue adding boron to cooling water to help prevent the cores from restarting the nuclear reaction, a process known as criticality.

这份调查报告同时也建议说，核电站工作人员应当在冷却水中加入硼已防止堆芯重新进入核反应临界状态。

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Mercury is filtered out, and water heated by the cooling process then piped away.

汞被过滤后，受热的水则通过管道输走。

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QUENCHING: The process of rapid cooling from an elevated temperature. The product is placed in contact with liquids or gases, usually oil, water, or air.

淬火：指从某一高温快速冷却的过程。产品被放置于液体或气体中接触，通常是油，水或者空气。

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