国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J020/30（2）
发明人
公开年 2021（3）
申请年 2020（3）
专利权人

Extracting rebaudioside A from Stevia rebaudiana comprises extracting dry leaves of Stevia rebaudiana to obtain an extract, applying the extract to a separation column packed with molecularly imprinted composite materials and eluting.

XING F, XING W, WANG S

Environment-friendly preparation device of 5-methoxy-4,6-dichloro-pyrimidine, has reaction cylinder which is provided with ceramic liner, and inner surface layer of ceramic liner is provided with anti-sticking layer.

LI T

Separation and purification of rhamnolipid includes preparing graphene oxide, performing cationic modification on graphene oxide, adding cationic modified graphene oxide and performing adsorption.

NIE M, NIE H, CUI Y