国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人 UNIV BEIJING INFORMATION SCI TECHNOLOG（2）

Preparing carbon-based core-shell structure pinecone-type nano-flower magnetic composite material, comprises e.g. dissolving polyvinylpyrrolidone in water, dropping hydrochloric acid solution, adding potassium ferrocyanide, reacting, and cooling to room temperature.

QIN L, SUN M, YIN Y, SI W, HOU W, LIAO Q

Humidity sensor based on graphene oxide, has insulating substrate arranged on flat surface, two parallel gold electrodes that are vacuum heat evaporated on insulating substrate to form three insulating grooves, where upper side of insulating groove is arranged on graphene oxide film.

FAN B, CHEN H, ZHU J, CAO Y