国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） F16（2）
IPC小类 B01J（4）
IPC B01J019/00（2） F16K001/00（2） F16K001/36（2）
F16K001/48（2） F16K027/02（2） F16K027/08（2）
F16K031/50（2）
发明人
公开年 2021（4）
申请年 2021（4）
专利权人 HEILONGJIANG.（2）

Preparing catalyzer useful for low-temperature catalytic oxidation of carbon monoxide and methylidyne comprises e.g. preparing graphene oxide by modified Hummers method, composite oxide carrier, adding into ruthenium chloride solution, performing ultrasonic treatment, and calcining.

DENG Z, YANG W, ZHANG T, TIAN M, HUANG L

Reaction kettle lower spreading type discharging valve, has fixing ring whose inner ring surface is in interference fit with outer wall of push rod, where fixing ring is matched with inner step structure to locate sealing plug.

CAO D, WU Y, LI L

Non-blocking reaction kettle downward spreading type discharging valve, has tip divided into tip tail section from back to front, where connecting part of tip middle section and tip front section outer ring surface is smoothly transited.

ZHOU R, GRIGORIEVNA B N, GRIGORJEVIC B A

Composite antibacterial air purifier comprises core-shell structure main body material comprising inner core comprises spinel ferrite and outer shell comprises silicon dioxide and titanium dioxide.

LI X