科学家们警告说紧急冷却系统可能失灵，核反应堆的堆芯熔毁可能会发生。
Scientists warned that emergency cooling systems could fail and a reactor meltdown could occur.
险些发生核反应堆熔毁事故。
福岛的两个可能发生熔毁的核工厂之一。
One of the two nuclear plants in Fukushima Prefecture where partial meltdowns have taken place.
在此期间才清楚，六个反应堆里至少有一个发生了部分的熔毁现象。
During that period it became clear that a partial meltdown had taken place in at least one of the six reactors.
紧急冷却系统有可能失灵，核反应堆有可能发生堆芯熔毁。
Emergency cooling systems could fail and a reactor meltdown could occur.
三个反应堆曾因海啸破坏了其冷却系统而发生反应堆堆芯熔毁。
Three reactors melted down after the tsunami wrecked their cooling systems.
尽管堆芯熔毁的概率很低，但是这种事件会对这种非碳能源产生难以抹去的耻辱。
But, although the risk of a nuclear core meltdown is very low, the impact of such an event creates a stigma around the noncarbon power source.
福岛核电站6个反应堆已经有4个发生火灾、爆炸和堆芯部分熔毁事故。
Fires, explosions and a partial melting of cores have taken place at four of the six reactors at the Fukushima nuclear center.
他提到了自然灾害引发的福岛一号核电站反应堆熔毁所产生核幅射的担忧。
He mentions concerns about radiation from the meltdown of reactors at the Fukushima-1 nuclear plant, triggered by the natural disaster.
如果核燃料管无法降温，就会发生熔毁，到时反应器的内核也会熔化，从而引起核泄漏。
A meltdown occurs when nuclear fuel rods cannot be cooled, thus melting the reactor core and causing a release of radioactivity.
内阁官房长官枝野幸男指出，并不能排除核电站内所有三个有问题的反应堆炉心熔毁的可能性。
Chief Cabinet Secretary Yukio Edano said he was not ruling out the possibility of a meltdown at all three troubled reactors at the plant.
日本驻华盛顿大使藤崎一郎承认有潜在危险，但是他说，目前看来核反应炉还不至于完全熔毁。
Japan's ambassador in Washington, Ichiro Fujisaki, acknowledged potential dangers, but said no complete nuclear meltdown appears imminent.
问题在于争论选择产生每日产生积累的污染的燃煤还是小概率但是带来悲剧性结果的核反应堆熔毁。
The question boils down to the accumulating impacts of daily incremental pollution from burning coal or the small risk but catastrophic consequences of even one nuclear meltdown.
一号、二号和三号反应堆中的核燃料棒因冷却系统失灵而熔毁，导致其围护结构遭受破坏。
The nuclear fuel rods in reactors one, two and three melted down due to a failure of the cooling systems, causing damage to their containment structures.
水很快蒸发殆尽，燃料棒部分露出冷却，这样可将熔毁反应堆核心的热量和蒸汽散发出来。
Soon, the water had burned off and the fuel rods were exposed -- allowing them to emit levels of heat and steam that can melt the reactor's core.
如果内核不能得到充分冷却，恐其随后将完全熔毁，从而使能源棒暴露在空气中导致辐射进一步扩散。
If the cores cannot be cooled sufficiently, a total meltdown could ensue, exposing the fuel rods to the outside air and further spreading radiation.
福岛第一核电站有六组核反应堆发电机组，有些处于稳定状态，有些则不同程度发生堆芯熔毁的情形。
The Fukushima Daiichi power plant has six nuclear reactors. Their status ranges from being stable to having varying degrees of core meltdown.
我的亲属都安然无恙，但福岛第一核电站的灾难性熔毁又引发了新的担心，而这就发生在30英里之外。
My relatives are unharmed, but there are new fears of a catastrophic meltdown at the Fukushima Daiichi nuclear power plant, just 30 miles away.
核工程方面专家指出，证据表明福岛Daiichi1号机组的铀能源棒已有严重损坏，可断定为部分熔毁。
Nuclear engineering experts say the evidence points to severe damage to the uranium fuel rods in Fukushima Daiichi unit 1, a situation they classify as a partial meltdown.
假如乏燃料池真的发生堆芯熔毁的话，那么放射性物质将直接外泄，而堆芯燃料似乎已经熔毁了。
So if that does indeed begin to melt down, which it seems it may have already done, that radiation would be released directly.
两家公司都在核技术及基础建设方面拥有重要业务，而这些业务在今年日本大地震及福岛反应堆熔毁后逐渐枯竭。
Both companies have significant operations in nuclear-power technology and infrastructure, which have seen business dry up since Japan's earthquake and meltdowns at the Fukushima reactors.
比如西屋的新式的AP1000包含“被动安全”系统，能够在紧急时刻不需操作人员介入就能避免反应炉核心熔毁。
Westinghouse's new AP1000, for example, has“passive safety” systems that can prevent a meltdown during an emergencywithout operator intervention.
据物理学家Bergeron表示，如果核心确实熔毁，一天之内容器将出现故障并将核心暴露到外部环境。
According to Bergeron, the physicist, if the core does melt, you could have containment failure in less than a day, exposing the core to the external environment.
虽然如燃料储藏之类的问题是潜在的担忧，但是气体反应堆——不会熔毁的反应堆——或许是日本核灾难后的一条出路。
Though issues such as fuel storage are a potential concern, gas reactors-which can't melt down-may be a way forward in the wake of Japan's nuclear disaster.
关于人类和核辐射的真相在于：你没有理由去担心核电站的堆芯熔毁或机场的扫描仪，机场的X光扫描仪现在已经被毫米波扫描仪所取代了。
Here's the truth about you and radiation: There's no reason to worry about power-plant meltdowns or airport scanners, where the X-rays have been replaced by millimeter wave machines.
关于人类和核辐射的真相在于：你没有理由去担心核电站的堆芯熔毁或机场的扫描仪，机场的X光扫描仪现在已经被毫米波扫描仪所取代了。
Here's the truth about you and radiation: There's no reason to worry about power-plant meltdowns or airport scanners, where the X-rays have been replaced by millimeter wave machines.
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