A study for preparing neodymium oxide from waste Nd-Fe-B materials was conducted by adopting acid solving-composite salt precipitation process.
利用稀土烧结钕铁硼永磁材料的废料作为原料，选用酸溶-复盐沉淀的化学法，进行了制取氧化钕的实验研究。
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With the same pump conditions, the medial section temperature raise of 0.5%(mass fraction) Nd-ion doped neodymium-doped yttrium orthovanadate crystal is higher than other doped quality index.