国家/地区 中国（2）
IPC部 G（2）
IPC大类 G01（2）
IPC小类 G01N（2）
IPC
发明人 WANG H（2） WANG P（2） ZHAO X（2）
公开年
申请年 2022（2） 
专利权人 WUHAN CUSTOMS DISTRICT TECHNOLOGY CENT（2）

Preparing covalent organic framework compound/graphene stirring rod useful for performing integrated operation of on-site sampling and extraction of antibiotics, comprises e.g. soaking graphene stirring bar in potassium chloride solution, polymerizing, reacting and drying.

WAN Y, YANG Q, JING T, WANG P, SHANG Y, WANG H, ZHAO X

Preparation of beta-receptor blocking agent and beta-2 receptor agonist extracting material involves thermally reacting magnetic ferric oxide nano particles, dispersing in mixed solution, adding tetraethoxysilane, stirring and washing.

XU J, ZHAO X, WANG P, WANG H