国家/地区 中国（2）
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人 ZHAO G（2）
公开年 2019（2）
申请年
专利权人

Preparing graphene film comprises forming a passivation layer on metal substrate, forming hole in passivation layer, forming a graphene film on a hole exposing the metal substrate and covering passivation layer by graphene film.

TIAN X, HE Y, ZHAO G, LI L, MENG Y, GUO T

Preparing graphene quantum dot soil curing agent useful for tailings backfill solidification comprises e.g. using polymer graphene quantum dot solution comprising phytic acid powder and polymer graphene quantum dot expanding solution.

ZHAO G, YANG G, CHEN X