国家/地区 中国（2）
IPC部 B（2）
IPC大类 C01（2） G01（2）
IPC小类 C01B（2）
IPC C01B032/19（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Circulating mechanical graphene mechanism, has material returning pipe fixedly connected with right side of box body top part, and feeding tank whose right side is connected with material taking tank.

YU H

Preparing platinum/gold modified boron/sulfur/nitrogen doped reducing oxidation graphene for use in electrochemical immune sensor, involves adding graphite powder and sodium nitrate into sulfuric acid, stirring, adding potassium permanganate, adding water, and heating and refluxing for 1-3 hours.

LI M, LIU M