国家/地区
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D011/02（2）
发明人
公开年 2023（2）
申请年 2022（2）
专利权人

Removal of brominated polybutadiene polystyrene copolymer from polystyrene waste for polystyrene product, involves combining waste with solvent containing substituted benzene, to obtain polystyrene/solvent mixture and solid comprising copolymer, separating solid.

COTE R, PIN J

Extraction of total flavonoids of Artemisia subdigitata by mixing crushed Artemisia subdigitata with ethanol solution and magnetically immobilized cellulase, placing Artemisia subdigitata solution into high-voltage pulsed electric field to extract, filtering extract and performing ultrafiltration.

ZHANG C