衰变热真的很重要。
要防止铀中的衰变热熔解堆心，必须用水冷却。
To keep the decay heat in the uranium from melting the core, you have to keep water on it.
这种热量叫做衰变热，可以持续数月甚至数年。
This is known as decay heat, which will be present for months or even years.
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.
一旦反应堆关闭，它仍热存在有来自其他放射性同位素踪迹的衰变热。
Once the reactor has shut down, there remains "decay heat" from traces of other radioactive isotopes.
废燃池冷却系统用于导出乏燃料组件的衰变热，同时净化乏池内的水质。
The spend fuel pit Cooling System is designed to remove the decay heat generated by stored spend fuel assemblies and to purify the water in the spent fuel pit.
副产物包括反射性的碘和铯，它们会产生“衰变热”——即需要缓慢释放的残余热。
Those byproducts include radioactive iodine and caesium, both of which produce what's called "decay heat"--essentially residual heat that very slowly dissipates.
贝杰隆说，不得不让人担心的是堆心仍然存在衰变热，而这将会持续几天。
'What you have to worry about is the decay heat that is still in the core that will last for days,' Bergeron said.
在核反应产生的热量降至平时的2%后的第一天，衰变热就降低得很缓慢乐。
The decay heat drops off very slowly after about 1 day where the decay power is already below 2% of the operating power of the reactor.
可用于深空探测等领域的放射性同位素温差发电器利用半导体热电元件直接将放射性同位素的衰变热转化为电能。
The radioisotope thermoelectric generator which is employed in deep space exploration, converts heat from the natural decay of radioisotope materials into electrical power directly.
可用于深空探测等领域的放射性同位素温差发电器利用半导体热电元件直接将放射性同位素的衰变热转化为电能。
The radioisotope thermoelectric generator which is employed in deep space exploration, converts heat from the natural decay of radioisotope materials into electrical power directly.
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