The E92 Model multistage centrifugal contactor has been developed for the recovery of uranium and plutonium from spent nuclear reactor fuel.

为了从反应堆废燃料中回收铀和钚，研制了E92型多级离心萃取机。

As a light water nuclear reactor fuel cladding material, Zr alloy has been wide used and its application experience accumulated, hence it is the potential materials for SCWR.

锆合金作为轻水核反应堆燃料元件的包壳材料已得到了广泛的应用并积累了丰富的经验，因而仍被列为SCWR潜在的应用材料。

Given the large quantity of irradiated nuclear fuel in the pool, the radioactivity release could be worse than the Chernobyl nuclear reactor catastrophe of 25 years ago.

由于池中有大量的辐照核燃料，放射性释放可能比25年前的切尔诺贝利核反应堆灾难更糟。

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。

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: 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。

There was a real possibility of a leak in the No 4 reactor container, which houses the nuclear fuel rods, according to Murray Jennex, a professor at San Diego State University in California.

圣地牙哥州立大学副教授杰尼克斯说，燃料棒外面的4号反应堆的外壳相当有可能出现裂缝。

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。

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 Nuclear Fuel 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。

This, we now know, is what "well prepared" looks like: total loss of power at the Fukushima Daiichi nuclear reactor, which deprived the reactor core and spent-fuel pools of cooling water.

现在我们都知道，所谓“准备地最充分”就是这样：在福岛大一针核反应堆完全丧失电力供应，使核反应堆中心装置和核废料池冷却水中断供应。

A meltdown occurs when nuclear fuel rods cannot be cooled, thus melting the reactor core and causing a release of radioactivity.

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。

Russia jumped in earlier this year by supplying nuclear fuel to India, claiming "safety" as a reason for providing uranium to an Indian reactor that could simply have been shut down.

今年早些时候，俄罗斯跳出来给印度提供核燃料并声称“安全”，因为提供给印度的铀用于可简单关闭的反应堆。

In addition to the reactor cores, the storage pool for highly radioactive irradiated nuclear fuel is also at risk.

除了反应堆堆芯，用来储存辐射性极强的辐照核燃料的贮存池也很危险。

The Yongbyon facilities include a 5mw graphite-moderated reactor and a plant used to reprocess spent nuclear fuel from this reactor, including the extraction from it of weapons-grade plutonium.

宁边的核设施包括5兆瓦的石墨慢化反应堆以及后处理厂在内的一些已用乏燃料(烧过的核燃料后处理)再处理设施，还有为了研发核武器而进行钚提取的设备。

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。

The nuclear fuel is encased in hard alloys to construct fuel rods; the reactor core that these rods make up, and the water it sits in, are contained within a steel pressure vessel.

核燃料的形式是在硬合金包裹下的燃料棒；并且这些燃料棒放在水中，外面还有一层钢压力容器。

In addition to the reactor cores, the storage pool for highly radioactive irradiated nuclear fuel is also at risk. The pool cooling water must be continuously circulated.

除了反应堆堆芯，用来储存辐射性极强的辐照核燃料的贮存池也很危险。

Plutonium is produced during nuclear fission, so is present in all reactor cores - the longer the fuel has been there, the more plutonium will be present, up to about 1%.

钚是在核裂变过程中产生的，所以在所有的反应堆中都存在---燃料在反应堆内烧的时间越长，产生的钚就越多，最高可以到1%。

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.

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。

Refuelling outage A temporary shutdown of the nuclear reactor unit for carrying out maintenance and overhaul of plant and equipment including the replacement of a portion of used fuel.

指暂时将核反应堆停止操作，以对厂房设备进行维护及大修，并包括更换部份已消耗的铀燃料组件。

In the nuclear reactor field, graphite was used widely as the moderators, the reflectors, the constructive materials of reactor core and the fuel elements in High Temperature Gascooled reactor.

石墨广泛地用做核反应堆慢化材料、反射层材料和堆芯结构材料，在高温气冷堆中还用来做燃料元件。

The us has already agreed to send some radiation-detecting robots to Japan to help explore the reactor cores and spent fuel pools at the stricken Fukushima nuclear plant.

美国已经同意向日本提供辐射探测机器人，协助探明福岛核电站堆芯和废燃料池情况。

Nuclear fuel elements containing dry process nuclear fuel pellets for the irradiation test in a reactor were remotely fabricated from spent PWR fuel materials in a hot cell.

包含用作反应堆中放射测试的干处理核燃料球体的核燃料元件，是由在热单元中的压水反应堆燃料远程制造的。

Yet he won't ship enriched-uranium fuel to Iran's all-but completed nuclear reactor while its enrichment work goes on.

但是他不会在伊朗继续进行铀浓缩活动的时候给伊朗几乎要完成的核反应堆带去浓缩铀。