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

Treating gold smelting wastewater by quality comprises e.g. mixing impurity-removing and reduction waste water in acid waste water, supplementing treatment of electrolyzed water in alkaline wastewater, returning fresh water to production system, and using desalinated water as supplementary water.

QIU J, LAI B, JI C, WU Z, WU W, SUN G, LIN F

Molybdenum technetium separation column useful for nuclear medicine diagnosis.

LEI S, LI Y, CHEN L, HUANG Y, LI L, ZHOU S

Screw thread steel comprises pig iron, ferrosilicon, high carbon ferromanganese alloy, high carbon ferrochrome, ferromolybdenum alloy, copper titanium alloy, nickel iron alloy, ferrotitanium, ferrosilicon nitride and graphene powder.

LIN T, CHEN Y, LIU G, ZHANG S, ZHOU W