国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（2）
IPC小类 B01J（3）
IPC B01J023/06（3）
发明人 LIU X（3）
公开年 2021（2）
申请年 2021（2） 
专利权人

Composite ultrafiltration membrane useful for treating wastewater, is prepared by preparing composite quantum dot suspension by adding graphene quantum dot/N,N-dimethylformamide solution to zinc oxide quantum dot/ethanol solution and stirring, and preparing polyvinylidene fluoride membrane.

SANG J, LI J, DI M, XU C, LIU X, ZHANG C

Preparing monatomic solid base catalyst used in transesterification, Knoevenagel and Michael addition reactions, comprises dissolving alkali precursor in solvent with carrier material to obtain pretreated sample.

SUN L, PENG S, LIU X, SHAO X

Preparing graphene/zinc oxide modified quantum dot photocatalytic material comprises e.g. adding graphene solution into deionized water, then adding zinc acetate and magnesium acetate and dissolving in graphene aqueous solution.

CHEN C, FANG Q, ZHAO H, CHAO Z, FAN J, MEI W, LIU X