国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC D06M011/74（3） C04B016/06（2） D01F001/10（2）
发明人 ZHANG Y（2）
公开年 2023（3）
申请年 2022（4）
专利权人

Low-grade concrete mixed with stone powder comprises cement, mineral powder, fly ash, stone powder, sand, gravel, water reducing agent, and water.

LIN J, JIANG W, XU Y, ZHANG J, HUANG C, ZHONG X

Ultra-high temperature ceramic-vertical graphene core-shell nanowire comprises ultra-high temperature ceramic nanowire used as core.

LI H, LI K, SONG Q, ZHANG Y, LIU H, YIN X

High-performance polyformaldehyde fiber useful for concrete, comprises polyformaldehyde/polyamide composite fiber and graphene fiber grafted with polyformaldehyde/polyamine.

ZHANG X, SHI J, ZHAO X, LOU L, YE L, ZHANG Y

Active powder concrete for tunnel construction and maintenance and strengthening, comprises common silicate cement, superfine mineral powder, silicon ash, fly ash, expansion agent, sand, carbon black.

GU Z