In order to control the nuclear chain reaction, the reactor operators use control rods.
为了控制原子能的连锁反应，反应器的操作人员用到了控制棒。
That programme was about “weaponisation”: the fiddly business of making a device that can set off a chain reaction in nuclear fuel.
该计划致力于武器化：虽然制造在核原料中引发链式反应的设备是一件高精细度的工作。
During a nuclear fission chain reaction, the tubes heat up to extremely high temperatures, and the way to keep them safe turns out to also be the way to extract useful energy from them.
核裂变连锁反应发生时，导管被加热到极其高的温度，将热量安全导出则意味着可以提取裂变产生的可利用能量。
After Israel developed a nuclear weapons capability in the late 1960s, no regional nuclear chain reaction followed, even though the country is surrounded by rivals.
以色列在20世纪60年代末期提高了核武器研发能力，但并没有在该地区引起核武器开发的链式反应。
9 SEC the control rods, made of boron and silver, are lowered, which slows down the nuclear chain reaction within the core.
9秒由硼和银制成的控制棒被降下，减慢反应堆堆芯内的核链式反应。
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。
That is called the nuclear chain reaction.
这被称为原子能的连锁反应。
A fission reactor works by maintaining a controlled nuclear chain reaction.
一座裂变反应堆需要在可控的核裂变中运转。
This creates what is known as a critical mass of nuclear material, which releases its energy instantaneously as atoms inside it split in an uncontrolled chain reaction.
这会造成核原料所谓的临界质量，当其中的原子在无法控制的连锁反应中***时，能在瞬间开释出能量。
Even if a nuclear explosion took place and everything on earth got atomized and destroyed, through some bizzare science fiction chain reaction. They always do in the movies.
即使发生核爆炸，像某些离奇科幻小说里描述的，的连锁反应那样，一切都毁灭了，电影里经常可以看到的场面。
Nuclear power to achieve chain reaction is a prerequisite.
实现链式反应是核能发电的前提。
1942 - Manhattan Project: A team led by Enrico Fermi initiate the first self-sustaining nuclear chain reaction.
1942年曼哈顿计划：一支由恩里科·费尔米率领下的小组启动了第一条自给核反应链。
1942 - Manhattan Project: A team led by Enrico Fermi initiate the first self-sustaining nuclear chain reaction.
1942年曼哈顿计划：一支由恩里科·费尔米率领下的小组启动了第一条自给核反应链。
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