国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 WANG C（2）
公开年 2018（2）
申请年 2018（2） 
专利权人

Preparing graphene quantum dot-based petroleum liquid product comprises e.g. adding concentrated sulfuric acid and concentrated nitric acid into the petroleum liquid product, ultrasonicating, carrying out oxidation reaction and cooling.

WANG C, PAN C

Graphene oxide composite film preparation involves carrying out spin-coating graphene oxide dispersion on graphene surface of chemical vapor deposition graphene having metal substrate to obtain structure A.

LI X, WANG C, LIU W, ZHAO D, WANG X, JIA T