我国稀土的产销量逐年递增，稀土元素及其化合物在各行业的应用也呈快速增长趋势，出口量年年增加。稀土氧化物作为一种用途极广的......

Nanocrystalline Y 2O 3,CeO 2,Nd 2O 3,Pr 6O 11 and Sm 2O 3 were prepared by glycine nitrate combustion synt......