英汉词典

1.The atomic energy agency could be made responsible for the impounding, storage, and protection of the contributed fissionable and other materials.

原子能代理处能够为滤网、储蓄、捐献可裂变物质保护和其他能源负责。

2.The reaction is slowed by a combination of depletion of the fissionable material and expansion of the core.

由于裂变物质的耗尽以及由于核心的膨胀，才使反应减慢下来。

3.It is a radiological poison, specifically absorbed by bone marrow, and is used, especially the highly fissionable isotope Pu 239, as a reactor fuel and in nuclear weapons.

尤其是其极具可裂变性的同位素钸239，被用作一种核反应燃料并用在核武器中。

4.The prime example is the element uranium (U), which occurs naturally as two isotopes-the lighter, fissionable U-235 and the heavier, non-fissionable U-238.

铀（U）元素就是一个很好的例子。天然铀有两种同位素；较轻的负235可以裂变，较重的铀238则不会裂变。

5.The isotope of uranium with mass number235, fissionable with slow neutrons.

锕铀铀的同位素，原子质量数为235，与慢。

6.In a hole in the center of this system is placed a subcritical sphere of fissionable material.

在这个系统的中心圆洞中放置一枚次临界的球形可裂变物质。

7.It is a radiological poison, specifically absorbed by bone marrow, and is used, especially the highly fissionable isotope Pu 239, as a reactor fuel and in nuclear weapons.

尤其是其极具可裂变性的同位素钸239，被用作一种核反应燃料并用在核武器中。