Doped rare earth oxides have been widely used in three-way catalyst(TWC) for purification of automobile exhausts because of its special properties.
稀土元素以其特殊的物理和化学性质在汽车尾气三效净化催化剂（TWC）中获得了广泛应用。
The growth of CNTS( carbon nanotubes) by catalytically cracking ethylene in the presence of the supported catalyst doped with rare earth samaria is reported.
稀土催化剂是一种稳定性好、选择性高、很活泼的催化剂，在石油的催化裂解方面得到了广泛的应用。
The growth of CNTS( carbon nanotubes) by catalytically cracking ethylene in the presence of the supported catalyst doped with rare earth samaria is reported.
稀土催化剂是一种稳定性好、选择性高、很活泼的催化剂，在石油的催化裂解方面得到了广泛的应用。
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