钚会不会存在于饮用水里呢？
还需要禁止测验和制造铀和钚用于核弹。
It needs a ban on tests and on making uranium and plutonium for bombs.
他被要求不再生产钚和铀。
He was to stop making plutonium as well as suspected work on uranium.
不是裂变，靠那个铀和钚，变成碎片，而是聚变。
Not fission, whereby uranium and plutonium breaks up in pieces, but fusion.
这也是一个不大的威胁：钚是一种重元素并且不易被水溶解。
It, too, is a relatively minor threat: Plutonium is a heavy element that does not dissolve easily in water.
但在福岛核电站附近土壤中发现了一种更加危险的物质——钚。
But a more dangerous material, plutonium, has also been found in soil near the power plant.
铀和钚很可能通过核电厂燃料的浓缩和再加工而流向武器制造。
Uranium and plutonium are most likely to find their way into weapons via the enrichment and reprocessing of fuel for nuclear power plants.
会计方面已经得到改善，国家目前大概有核武原料的145公吨的钚。
Accounting has since improved, and the country is now thought to have around 145 metric tons of weapons-grade plutonium.
日本通过混合钚和铀以制造混合氧化燃料的设施中也已存在类似的问题。
Japan has had similar discrepancies at a plant that blends plutonium with uranium to make mixed-oxide fuel.
钚和其它的放射性元素的混合物可以转变成适宜“快”反应堆使用的燃料。
This mixture of plutonium and other radioactive elements couldthen be turned into fuel suitable for use in “fast” reactors.
现在还不清楚3号反应堆发生了什么情况，3号反应堆的燃料是混合的铀和钚。
It remains unclear what is happening with the Number-3 reactor, which is fueled by a mix of uranium and plutonium.
一项重大、颇受欢迎的进展是俄罗斯宣布将关闭最后一座武器级钚生产反应堆。
In a major and welcomed development, Russia announced that it will close its last weapons-grade plutonium production reactor.
但是约有百分之五的反应堆废料是高放射性裂变产物，包括钚和其他锕系元素。
But roughly 5 percent of reactor waste is highly radioactive fission products, including plutonium and other actinides.
核能，是铀或，钚的裂变，在70年代很受欢迎，但最近受欢迎程度，有所下降。
Nuclear energy, which is the fission of uranium or plutonium, was very popular in the '70s, but it has become a little bit less popular lately.
在旅行者1号的钚动力源耗尽之前，科学家希望能有5年时间研究太阳系外空间。
Scientists hope to have five years for studies beyond the solar system before Voyager 1's plutonium power source is depleted.
废弃物的放射性危险会延续数千年，而且部分还可以用来生产武器级放射性元素钚。
Much of this remains dangerous for thousands of years, and a proportion of it can be used to produce weapons-grade plutonium.
新型的反应堆被设计出来，包括由钚提供能量，液态钠参与冷却的快中子增殖反应堆。
New types of reactors were designed, including the Fast Breeder reactor powered by plutonium and cooled by liquid sodium.
铀或钚的同位素被称为裂变材料，即我们可以利用自由中子去轰击它们来产生裂变反应。
The uranium or plutonium isotopes are referred to as "fissile," which means we can use them to induce fission by bombarding them with free neutrons.
销毁钚反应堆是一项成就，而通过有人在实地进行检查，我们确实得到了迫切需要的情报。
Disabling the plutonium reactor is an achievement, and we do gain badly needed intelligence by simply being there on the ground to inspect.
钚、铯以及锶本身就是有限资源，如果裂变反应堆技术先进到一定程度，它们又会成为燃料。
Plutonium, cesium and strontium are also limited resources, and if fissionreactor technology advances enough, they could become fuel sources themselves.
今天从福岛核电站传出了更多坏消息，科学家确认他们在附近的土壤中检测出了放射性钚元素。
There was more bad news from the Fukushima plant today, as scientists confirmed they had found Plutonium in nearby soil.
此外，钍所产生的废弃物几乎不可能转变成钚，其放射性危险延续100多年，而不是数千年。
In addition, the waste products generated by thorium are virtually impossible to turn into plutonium - and they remain dangerous for hundred of years rather than thousands.
共发生过18起有案可查的高纯度浓缩铀或钚失窃或流失案例，也许还有其他尚未发现的此类案例。
There have been 18 documented cases of theft or loss of highly enriched uranium or plutonium, and perhaps others not yet discovered.
这些元素虽然没有钚的放射性那么高，但如果被吞食或吸入，一样会增加患上癌症的几率。
These elements may not be quite as radioactive as plutonium, but if ingested or inhaled, they also pose a risk of causing cancer.
美国和俄罗斯签署协议，计划处置68吨武器级放射性钚，将其做为民用核反应堆的燃料。
The United States and Russia signed an agreement to dispose of sixty-eight tons of weapons-grade plutonium. They plan to use the plutonium as fuel for civilian nuclear reactors.
美国和俄罗斯签署协议，计划处置68吨武器级放射性钚，将其做为民用核反应堆的燃料。
The United States and Russia signed an agreement to dispose of sixty-eight tons of weapons-grade plutonium. They plan to use the plutonium as fuel for civilian nuclear reactors.
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