国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J023/10（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Rare earth carbide catalyst used in preparation of high-carbon friction material, is prepared by loading rare earth oxide on catalytic carrier.

ZHOU G, CHEN B, JIAO H, SHI W

Nano-photocatalytic composite material for air purification, comprises reduced graphene oxide and rare-earth ion-doped titanium dioxide nanoparticles, where nanoparticles are uniformly distributed in sides of reduced graphene oxide sheet.

SUN J, RAO Z, XIE X, WANG Y, LU G