衰变热
- 网络decay heat
![衰变热](../cache/1407259.jpg)
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重水慢化水冷反应堆核能--轻水堆核燃料衰变热功率的计算
Nuclear energy-Light water reactors ? Calculation of the decay heat power in nuclear fuels
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衰变热真的很重要。
Decay heat is really important .
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实验快堆FFR燃料的衰变热计算
Decay Heat Rate of Spent Fuel in Experimental Fast Reactor FFR
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实验快堆停堆后衰变热特性
Decay Heat Character of Fast Test Reactor after Shutdown
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因为,一旦余热排出系统丧失,堆芯衰变热将无法及时排出,并导致堆芯损坏。
Once , RHR system is unavailable , core decay heat will gather in the core , and lead to core damage .
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要彻底消除衰变热必须在衰变热产生之初就迅速冷却,否则核反应芯又会重新加热。
The decay heat must be removed at the same rate it is produced or the reactor core will begin to heat up .
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这并不是福岛核电站关闭反应后的实际衰变热变化趋势,而是根据以往核反应关闭后的衰变热变化建立的模型推测所得的结果。
This data is not produced from measured data on the actual reactors at Fukushima , but from using a well established model that is routinely used to estimate decay heat from shutdown reactors .
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它对环境的损害小,具有长期稳定的低放射性、低的衰变热、低的接触放射剂量,并可回收利用,显示出了良好的安全性以及环境上的优势。
It has less impact on environment , low radioactivity , low decay heat and low contact radiation dose rate for long time , and it can recycle . These properties offer it good safety and friendly environmental features .
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如同伽利略号,卡西尼号的能源来自放射性元素钸的自然衰变,产生热后再转换成电。
Like Galileo , Cassini is powered by the natural decay of the radioactive element plutonium , which generates heat that is then converted to electricity .
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同时,地底深处的放射性元素衰变,产生热的速率是今日的六倍以上。
At the same time , deep underground , the decay of radioactive elements produced heat at rates more than six times greater than they do today .
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衰变辐射也能释放部分热量,这种热量被称为衰变热。
The decay radiation then deposits most of its energy in the fuel , and this is what is referred to as decay heat .
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只有当放射性同位素持续衰变,越来越多的放射性同位素处于稳定状态并停止产生电磁辐射能,衰变热才能彻底停止。
As these radioactive isotopes continue to decay , more and more of them reach a stable state and stop emitting radiation , and thus no longer contribute to the decay heat .