But this toxin naturally dissolves after around eight days, meaning that the long term threat of radiation would come from other substances, such as cesium, which has already been detected around Fukushima, and plutonium, which poses the greatest danger if the nuclear fuel rods inside the reactors melt.
基于1个网页-相关网页
trace uranium and plutonium 痕量铀与钚
fission of uranium and plutonium 铀钚裂变
plutonium and power reactor 产钚发电两用反应堆
plutonium and uranium recycle 钚轴再循环
plutonium-and-power reactor 产钚发电两用堆
plutonium-and power reactor 产钚发电两用反应堆
plutonium m and power reactor 产钚发电两用反应堆
It needs a ban on tests and on making uranium and plutonium for bombs.
还需要禁止测验和制造铀和钚用于核弹。
Not fission, whereby uranium and plutonium breaks up in pieces, but fusion.
不是裂变，靠那个铀和钚，变成碎片，而是聚变。
It remains unclear what is happening with the Number-3 reactor, which is fueled by a mix of uranium and plutonium.
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。
The United States and Russia signed an agreement to dispose of sixty-eight tons of weapons-grade plutonium.
VOA: special.2010.04.17
North Korea announced Tuesday it is leaving the Chinese-sponsored six-party talks on its nuclear program and will restart its plutonium facility at Yongbyon in response to a U.N.Security Council statement condemning its April 5 launch of a long-range ballistic missile.
VOA: standard.2009.04.15
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