国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D046/00（3）
发明人 YANG Y（3）
公开年 2021（2）
申请年 2021（3）
专利权人 UNIV QIQIHAR.（2）

Multi-pass scanning device for laser-induced graphene, comprises foil material conveying device comprising unreeling machine, guide roller, winder, feedback sensor, and controller, and laser scanning device including scanning focusing head.

YANG Y, SUN B, CHEN Y, ZHOU S

Nano fiber film air purifier filter screen has rotating shafts that are located at same vertical position and distance is same as length of pre-filtering screen.

YANG Y, DU L, LI X

Air purifying device based on biomass protein-graphene nanocomposite material, includes shell provided with air inlet cavity, multi-stage filter cavity and purifying cavity which is provided with graphene aerogel net column.

LI X, DU L, YANG Y