这种方法可以应用到制备氧化镨，但是，无法成功应用到制备其他轻稀土氧化物。
This method could also be applied to prepare praseodymium oxides, however, it was not successful in preparing other light rare earth oxides.
这种方法可以应用到制备氧化镨，但是，无法成功应用到制备其他轻稀土氧化物。
This method could also be applied to prepare praseodymium oxides, however, it was not successful in preparing other light rare earth oxides.
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