国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D004/02（2）
发明人 WANG W（2）
公开年
申请年 2022（2）
专利权人

Camshaft used for controlling turn on and closing action of four-stroke piston engine, comprises mandrel, which is provided with exhaust cam and air inlet cam, further mandrel is coated with high-strength coating, and exhaust cam and air inlet cam is coated with wear-resistant coating.

ZHU Y, WANG W, SUN Z, WANG G

Composite hydrogel sponge useful in field of seawater desalination, comprises water supply layer and evaporation layer that are stacked successively; material of water supply layer is polyacrylamide hydrogel; material of evaporation layer is polyacrylamide/graphene composite hydrogel.

LI S, LI T, WU Z, HU Z, LAI X, WANG D, LI C, WANG W, LI L