国家/地区 中国（2）
IPC部 B（3）
IPC大类 B08（3）
IPC小类 B08B（3）
IPC C11D007/12（3）
发明人
公开年
申请年
专利权人

Ultrasonic descaling additive, comprises cellulose and functional nano material.

QIAN Y, LU H, YU Y, LI S, PAN G, LIU X, XIANG L

Cleaning steel pipes involves using high-pressure gas pulse to flush the cleaning liquid into the pipeline to be cleaned, and introducing ultrasonic waves.

LI R

Manufacture of graphene involves washing graphene-adhered film using alkaline washing solution containing sodium carbonate and deionized water, to remove foreign substance, drying film, and peeling film from graphene.

CHAN W K