国家/地区 中国（5）
IPC部 C（4）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B007/26（2）
发明人 DUAN P（5）
公开年 2022（5）
申请年 2022（4） 
专利权人 HUNAN XIANFE.（2）

Environmentally friendly silicate cement used in green building material, comprises silicate cement clinker, limestone, bentonite, fly ash, slag, clay, gypsum, titanium dioxide, and reinforcing agent.

DUAN P

Anti-chloride ion penetration Portland cement comprises Portland cement clinker, limestone, bentonite, fly ash, slag, calcined clay, gypsum, titanium dioxide, and reinforcing agent.

DUAN P

Performing in-situ repair of organic nitrogen by three-dimensional electrodes involves using a Peterson dredger to collect sediment surface samples and overlying water with serious sediment pollution, preserving the sediment surface layer sample and the overlying water.

REN Z, DING S, QIAN C, JIAO L, DUAN P

Method for preparing porous composite support of directional conductive fiber useful in field of wound repair involves dissolving silk in lithium bromide solution, centrifuging, filtering, dialyzing and concentrating to obtain regenerated silk fibroin aqueous solution.

LIU S, LIU J, YE W, WANG X, DUAN P, ZHOU Z, ZHANG C

Preparing tin oxide/reduced graphene oxide nano-composite material modified by palladium for hydrogen sensor, involves providing micron-sized oxidizing graphene, mixing tin source, micron-sized oxidizing graphene and palladium source, adding acid, and ultrasonically dispersing.

WANG Q, PENG Q, XIAO H, DUAN Q, JIN K, DUAN P, SUN J