There's been an explosion and fire at Iran's main nuclear fuel production site.

伊朗主要核燃料生产基地发生爆炸和火灾。

Japan is set to re-start the Rokkasho Nuclear Fuel Reprocessing this October.

日本将于今十重启六所村核燃料后设施。

But it is unclear whether it also wants to enrich uranium to produce nuclear fuel.

但是目前尚不清楚该国是否有意以浓缩铀来生产核燃料。

Methods like centrifuge processing must be carefully regulated to limit the spread of bomb-grade fuel.

像这种离的步骤必须小来限制核燃料的扩散。

The bigger star, though, goes through its nuclear fuel rapidly, and becomes a red giant.

然而，较大的恒星则迅速耗尽其核燃料，成为一颗红巨星。

Tepco said it is removing seven unspent nuclear fuel rods from the reactor's pool.

Tepco表示其正从反应堆中取出7根未使用过的核燃料棒。

Explosives destroyed thousands of centrifuges, which are used to enrich uranium, a nuclear fuel.

爆炸摧毁了数千台用于铀浓缩(一种核燃料)的离。

The fuel rods present a high risk because their storage pools are uncovered.

这些核燃料棒构成了很高的风险，因为它们的储存池没有任何遮盖。

Scientists were sent into the ruins to search for nuclear fuel that could cause another explosion.

科学家们被派往废墟中寻找可能导致再次爆炸的核燃料。

And here's what would happen if you fell into a pool full of nuclear fuel rods.

我们来看看，如果你掉进一个有核燃料棒的水池中会发生什么。

If another major disaster were to cause a loss of water, the fuel rods could melt, releasing radiation.

如果另一场重大灾难导致水源流失，那么这些核燃料棒就会熔化，从而释放出辐射。

But stars like our sun swell into bloated red giants when the nuclear fuel in their cores is depleted.

但是，像太阳这样的恒星，核的核燃料耗尽时，就会发生膨胀，成为胀大的红巨星。

Since Mars doesn't have easily accessible radioactive elements, the nuclear fuel needs to come from Earth along with the reactor.

由于火星没有易获得的放射性元素，核燃料和反应堆均需要来自地球。

A white dwarf is formed when the star burns off all its central nuclear fuel and loses its outer layers.

当恒星燃烧掉其中的所有核燃料并失去外层时，就会形成白矮星。

Eventually, however, the star will run out of its hydrogen and other nuclear fuels.

然而，最终，这颗恒星将耗尽其氢燃料和其他核燃料。

Without power to pump cooling water over the nuclear fuel, three reactor cores melted down.

由于没有动力将冷却水泵送到核燃料上，三个反应堆堆芯熔化了。

About 880 tons of highly radioactive melted nuclear fuel remain inside the three reactors.

三座反应堆内仍有约880吨高放射性熔融核燃料。

They’re formed when a massive star consumes all its nuclear fuel and its core collapses.

它们是一颗大质量恒星耗​​尽其所有核燃料并且其核坍塌时形成的。

In 1977, the president slapped a ban on the commercial reprocessing of nuclear fuel.

【slap】1977，总统突然颁布禁令，禁止核燃料的商用再。

One kilogram of nuclear fuel can have as much energy as 1.5 million kilograms of coal!

一公斤核燃料的能量相当于150万公斤煤的能量！