But like any reactor, the sun needs fuel to keep going.
但是，就像任一反应堆，太阳需要燃料来保持运作。
Each "pebble" in a pebble-bed gas reactor is a graphite fuel sphere the size of a tennis ball.
在一个球形气体反应堆里的每一个“小球”都是一个网球大小的石墨燃料球。
Iran is the only country so far to have built a uranium-enrichment plant before having even a single working reactor that would need its uranium as fuel for the reactor core.
伊朗是迄今为止唯一的、在尚未拥有哪怕一座需要以本国铀元素充当堆芯燃料的已运作反应堆之前却已建成铀浓缩工厂的国家。
Under it, Iran would give up most of its uranium stockpile in return for enriched fuel for a medical reactor.
根据这份合约，伊朗将放弃它的大多数储备铀以换取医用反应器的高浓度燃料。
They have produced a reactor which transforms unwanted waste materials into high quality fuel.
它们制造了一台可将没用的排泄物转化成高能燃料的反应器。
The active reactor zone is a laying of graphite blocks with cylindrical fuel apertures.
主动反应堆区域由石墨包裹的圆柱形燃料棒堆积排列而成。
Among other things, his team has designed a nuclear reactor that would use nuclear waste as its fuel.
除此之外，他的团队设计了一个将核废料作为燃料的核反应堆。
Of greatest concern are the spent fuel rods stored at reactor Nos. 3 and 4.
最令人担忧的是存放在3号和4号反应堆的用过的核燃料棒。
When auxiliary batteries were exhausted, the plant was without power to continue cooling reactor cores and spent fuel pools.
一旦辅助电池用尽，核电站将无法继续冷却反应堆内核以及乏燃料池。
The reactor they were studying operated on fuel rods.
核查人员检查的反应堆以燃料棒为燃料。
The Zircaloy casing is the second barrier to release that separates the radioactive fuel from the rest of the reactor.
锆锡合金形成第二道防护，把放射燃料跟反应堆其他的组成分隔开。
Treaties at the end of the cold war led to the decommissioning of thousands of warheads. Their energy-rich cores are converted into civilian reactor fuel.
冷战结束后的条约导致几千弹头退役—这些丰富能源的弹头转化成民用核反应堆燃料。
A: You may have noticed that the International Atomic Energy Agency Director General ElBaradei has proposed a draft agreement on the nuclear fuel supply of Tehran's research reactor.
答：你可能已经注意到，国际原子能机构总干事巴拉迪已就德黑兰研究堆燃料供应问题提出协议草案。
Japanese experts say the fuel rods inside the reactor were fully exposed to the air and melted.
日本专家说，反应堆内的燃料棒完全与空气接触并融毁。
Some of the salt might be settling to the bottom of the reactor vessel rather than sticking to the fuel rods.
部分盐也许会沉入反应堆容器的底部，而不会粘在燃料棒上。
And this is a real model of fuel element - the main part of a reactor.
这是反应堆的主要部件——燃料元件的等大模型。
The technology again this is an online re-fuelling system which basically avoids the need to shut down the reactor when you re-fuel.
这项技术，这是个联机补充燃料系统，它能避免在补充燃料的时候，将反应堆关掉的需要。
Put several fuel assemblies into the core of a nuclear reactor, and the amount of energy released gets even higher.
把几个燃料组件放到核反应堆的中心，释放的能量会更高。
A third site that was once used as a storage centre for spent reactor fuel is now a brick-strewn wasteland.
曾经作为反应堆废料储存中心的第三所设施，现在也遭到废弃，遥遥欲坠。
Uranium 235 — the fuel inside a nuclear reactor — undergoes nuclear fission.
铀235——反应堆中的燃料——经过核裂变。
By contrast, reactors have strong containment vessels that stand a better chance of bottling up radiation from a meltdown of the fuel in the reactor core.
相反，反应堆拥有非常坚固的围阻体，可以承受由于反应堆堆芯融化而产生的大剂量辐射。
The more the fuel is exposed, the closer the reactor comes to a full meltdown.
也就是说燃料棒暴露的越多，那么越容易全部熔化。
The disaster at Three Mile Island in 1979 illustrates how quickly reactor fuel can reach melting temperatures if it is not cooled.
1979年发生在三里岛的核灾害向人们表明一个事实：若不对核反应堆进行冷却，堆中燃料将迅速升温至足以导致其融化的程度。
The conflicting information about the water levels in the pool storing the spent fuel rods in Reactor 4 is emblematic of the confusion the nuclear crisis has engendered.
自相矛盾的关于四号核反应堆贮存核燃料的冷却池剩余水量的的信息是这次核危机究竟带来多大危险这个谜题的标志。
Haile estimates that a rooftop reactor could produce about three gallons of fuel a day.
Haile估计，安装在屋顶的一个反应器可以每天生产大概3加仑的燃料。
Japan itself had a Level 4 accident in 1999, when three workers preparing fuel for a reactor at a Japan Nuclear Fuel Conversion plant triggered a nuclear chain reaction, called a criticality.
日本在1999年就曾发生过一次4级核事故（又称“东海村核事故”——译注），当时在日本核燃料转换公司（Japan NuclearFuel Conversion）的一个燃料厂内，三名正在为反应堆准备燃料的工人引发了一次链式核反应，使反应堆达到临界状态。
The fuel rods are bundled together in the core of the reactor.
燃料棒被束在一起放置于反应堆的核心。
The fuel rods are bundled together in the core of the reactor.
燃料棒被束在一起放置于反应堆的核心。
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