The crew of a helicopter was told Wednesday to stop dumping water and chemicals on a boiling pool of high-levelradioactivewaste because of elevated levels of radiation.
For its well properties showing in research about immobilizing highlevelradioactivewaste, pyrochlore which stably exists in nature has been well studied in recent years.
自然界中稳定存在的烧绿石由于在高放废物固化研究中呈现出的良好特性，近年来得到了大量的研究。
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Nuclear energy. fuel cycle technology. waste. standard method for testing the long term alpha irradiation stability of solidified highlevelradioactivewaste forms.