国家/地区 中国（2）
IPC部 B（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人
公开年 2017（2）
申请年 2017（2） 
专利权人 UNIV SHANGHAI SCI TECHNOLOGY（2）

Defrosting type heat pump outdoor machine has graphene film layer having strong hydrophobicity for delaying frosting time of evaporator fin surface, and reducing frosting quantity to inhibit effect of frosting.

QI Y, GUO Z

Preparation of graphene oxide quantum dot used for e.g. biomarker, involves adding cocrystalline powder and sodium nitrate, adding sulfuric acid solution, graphite powder, sodium nitrate, sulfuric acid and potassium permanganate.

SHEN S, YANG J, WU Z