国家/地区 中国（2） 韩国（2）
IPC部 B（3）
IPC大类 C09（3）
IPC小类 C09D（3）
IPC C09D001/00（3）
发明人
公开年 2021（3）
申请年 2020（3） 
专利权人

Ammonia gas detection sensor useful in gas detection device to monitor and detect flammable, explosive and toxic gas comprises board, graphene sheet positioned on substrate and metal nanoparticles located on graphene sheet.

LEE K B, NAM Y, NAM J H, YOON S, LEE Y, NAH I W, OH I H

Operating hydroprocessing reactor involves applying graphene-based coating to the surfaces of the reactor, introducing feed comprising crude oil or its fractions and hydrogen into reactor, and increasing operating temperature.

ALKHANI A F, KOSEOGLU A C, KOSEOGLU O R, COSEOGLUATACAN, CARD A S

Preparing polycarbosilane/zirconia laser protective composite coating involves providing surface sequentially with bonding layer, zirconium oxide coating and polycarbosilane coating, using sandpaper to grind surface of aluminum alloy.

WANG D, ZHAO Y, LIANG Y