1.The toughening mechanism in the lanthana doped molybdenum alloy mainly includes fine grain toughening and particle toughening.

1.稀土氧化镧掺杂钼合金中的主要化机制：和颗粒。

2.The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.

2.采用粉末冶金法制备了微米尺寸和准纳米尺寸的氧化镧粒子强钼合金。