国家/地区 中国（3）
IPC部 B（3）
IPC大类 C01（3） B01（2）
IPC小类 C01B（3）
IPC C01B032/196（3）
发明人 LI J（2）
公开年 2022（3）
申请年 2022（3）
专利权人

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Graphene purifying device has purifying box whose bottom is slidingly connected with baffle plate and is fixedly installed with top portion of purifying pipe.

LI J, ZHAO Q, ZHAO B

Heating oil graphene extracting and purifying device, has separating screen fixedly installed on inner wall of purifying device main body, moving plate fixed on separating screen, and dredging block fixedly installed on bottom end of moving plate.

DONG Y, LI J, ZHANG W