The catalytic activities of other rare earth metal salts with different ligands were tested.

考察了带有不同配体的稀土金属催化剂对反应的影响。

The oscillatory relaxation of the rare earth metal surfaces has been investigated with LEED spectra.

用LEED谱,研究了稀土金属表面的振动弛豫.

Rare earth luminescence polymer not only has excellent luminous property of rare earth metal, but also has fine processing behavior of polymer, which is a new style fluorescence material.

稀土发光聚合物既有稀土金属优异的发光特性，又有聚合物良好的成型加工性能，是一类新型的发光材料。

The structure changes of silk fiber with different weight gain, by using sericin fixing agent containing rare earth metal ion, were studied in this paper.

用稀土金属离子通过形成配位结合来固着丝胶，制备了不同增重率的丝纤维，研究了增重丝纤维结构变化。