安全壳的主要功能就是为了防止放射性裂变产物释放到大气中去。
Containment is usually defined as that system whose functional responsibility is to prevent the release of radioactive fission products to the atmosphere.
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.
高温气冷堆乏燃料元件的放射性裂变产物绝大部分滞留在燃料元件中。
The majority radioactive fission products of the spent fuel elements in high temperature gas-cooled reactor(HTGR) is contained in the fuel element.
所生成的裂变产物具有很强的放射性。
程序在有天然放射性同位素和裂变产物存在下也是可用的。
In the presence of naturally radioactive isotopes and fission product...
程序在有天然放射性同位素和裂变产物存在下也是可用的。
In the presence of naturally radioactive isotopes and fission product...
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