国家/地区 中国（3）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B111/20（2）
发明人 ZHANG Y（2）
公开年 2022（3）
申请年 2022（3）
专利权人

Bismuth-based photo-thermal conversion nanofiber material used for seawater desalination, wastewater treatment, and rapid evaporation of solvents, comprises ferric oxide-graphene sulfide nanoparticle, and polyvinylpyrrolidone as substrate.

FAN T, ZHANG Y, FENG Z, YANG W

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

Ultra-high toughness alkali excitation spraying concrete useful in slope, mine, tunnel, and underground engineering, comprises e.g. zeolite powder, sodium hydroxide solution, sodium silicate, nickel slag sand, thickening agent, modified polyacrylonitrile fiber, naphthalene water reducer, and water.

YANG D, ZHANG Y, CHEN B