That reactor, Unit 4, had been shut down before the quake for maintenance.

该反应堆，4号机组，已被关闭进行维修前，地震。

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A 20 kilometer evacuation zone has been established around that reactor and a 10 kilometer zone around another one.

一个围绕该反应堆20公里疏散区已经建立，并在另一个反应堆周围建立了10公里的疏散区域。

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Today we're gonna review the overall reactor types that are presently in existence.

今天我们要回顾一下现有的反应堆类型。

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(Speech) Hojatoleslam says IAEA regulations stipulate that the agency provide the fuel for Iran's medical reactor in Tehran.

VOA: standard.2009.11.28

There may be some inefficiencies, and at some point, if you catch me in the hallway, I can give you a sermon on what goes on inside that reactor.

可能会有某些损耗，如果你能在过道上遇到我的话，我会给你详细讲讲,里面到底发生了什么。

麻省理工公开课 - 固态化学导论课程节选

This is titanium sponge that comes out of the bottom of this reactor, and it subsequently re-melted in a vacuum arc furnace.

海绵状的钛,从反应器的底部出来，随后在真空炉中重新熔炼。

麻省理工公开课 - 固态化学导论课程节选

That reactor type is not ideal for producing weapons-grade plutonium, but all reactors produce plutonium that could be used in a nuclear explosion.

BBC: Yongbyon restart: North Korea ramps up nuclear tension

Even when we were touring this decommissioned reactor, we got a good flavor for the constant upgrade of safety during the lifetime of that reactor.

WHITEHOUSE: Press Briefing

In like manner, I believe that reactors should be designed such that an earthquake of any magnitude could not destroy the reactor or its containment shell, further that if the reactor core was to start to melt down, the melt down itself would shut the reactor down and, at the very worst, the reactor would entomb itself with no potential release of radiation into the environment.

FORBES: A Year After Fukushima Meltdown, Is Nuke Power Any Safer?