国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） G01（2）
IPC小类 B01J（3）
IPC B01J020/06（3）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Palladium-doped reduced graphene oxide/zinc oxide-tin oxide heterojunction quaternary composite material for hydrogen sensor as gas-sensing material, comprises particle formed by agglomeration of particles which are based on reduced graphene oxide with two-dimensional network structure.

ZHAO P, MA T, CHEN T, ZHANG X, SUN J

Transferring and absorbing radioactive element in high-cold and high-altitude land area useful for cleaning radioactive pollutant comprises e.g. heating and drying tailings containing radioactive element thorium, and finishing transfer of irradiation element.

LV X, DAN Z, HUANG X, WENG R

Preparing magnetic silicon oxide graphene comprises dispersing graphene oxide in glycol solution, vibrating, mixing ferric chloride hexahydrate and sodium acetate, reacting, filtering, washing and drying.

LI T, ZHOU Y