国家/地区 中国（4）
IPC部 B（4） G（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC
发明人
公开年 2021（4）
申请年 2020（4）
专利权人

Chromatographic separation column used for detecting volatile organic compounds gas chromatography, is composed of activated carbon, carbon nanotubes and graphene.

LIU X, SHI H, LIU Y, LI Z, LIU T

Water quality filtering mechanism of graphene water purifying agent detector, has detector shell whose bottom of outer side wall is connected with rotating cap whose bottom end face is provided with through hole.

MU Z, ZHANG D, YANG Q

Device for detecting lubricating degree of graphene machine oil, has stirring rod whose top end passes through oil groove and gear box and extends to inner part of gear box, where top end of stirring rod is rotatably connected with top of inner wall of box.

HAN Z, ZHANG Q

Anti-interference full optical fiber quasi-distributed fixed beam type low-frequency vibration sensor, has anti-interference mechanism provided with optical fiber ring, optical fiber wire and optical fiber coupler.

DING S, DING W