国家/地区 中国（2）
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人 TANG L（2）
公开年
申请年
专利权人

Manufacturing composite fiber preform, preferably carbon-carbon composite material for disc brakes, involves winding composite fiber fabric around core to form composite fiber preform comprising multiple layers defining annulus extending along central axi.

TANG L G, GLEN S, PIAO Y, MURDIE N, JAMES M C, MERDEY N, GUERON S, TANG L

Fracturing fluid gel used in guar gum fracturing fluid system, comprises nanomaterial, guar gum, organic boron-titanium cross-linking agent and water, where organic boron-titanium crosslinking agent is prepared by dissolving boron.

WANG Y, ZHANG C, LIANG L, LIU B, TANG L, GONG J, XU N