在棒的四周围着中子减速剂。
可以把铀做成棒状放在原子反应堆内，在铀棒的四周，围一层中子减速剂即节速剂。
The uranium may be put into the reactor in the shape of rods and the rods surrounded with a neutron-slower or moderator.
可以把铀做成棒状放在原子反应堆内，在铀棒的四周，围一层中子减速剂即节速剂。
The uranium may be put into the reactor in the shape of rods and the rods surrounded with a neutron-slower or moderator .
水源除用于冷却燃料外(也由此生成蒸汽)，还起到调节介质的作用，它能使中子减速，并使核反应持续进行。
Besides cooling the fuel (and thus producing the steam) the water also ACTS as a moderator, slowing down the neutrons and keeping the reaction going.
这些中子从核反应堆中产生，在减速剂的作用下减到难以置信的低速。
The neutrons are created in a fission reactor, and slowed to incredibly low speeds by materials known as moderators.
石墨是很好的减速剂，减慢中子并且让它们的反应保持在一个适当的温度范围内。
Graphite is a great moderator, slowing down the neutrons and keeping their reaction in the proper temperature range.
因此，除非这些中子能够被充分减速，否则链式反应会停止。
As a result, the chain reaction will Peter out unless the neutrons can be slowed down sufficiently.
重水可用作核电厂的减速剂，减缓快速运动的中子以使它们能和反应炉的燃料一起反应。
Heavy water is used as a moderator in nuclear power plants, slowing down the fast neutrons so that they can react with the fuel in the reactor.
重水可用作核电厂的减速剂，减缓快速运动的中子以使它们能和反应炉的燃料一起反应。
Heavy water is used as a moderator in nuclear power plants, slowing down the fast neutrons so that they can react with the fuel in the reactor.
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