国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 ZHANG H（2）
公开年 2022（2）
申请年 2022（2）
专利权人

Soil conditioner for prevention and treatment of soil compaction, comprises amino-terminated dendrimers, chitosan gel and modified graphene, and prepared by mixing chitosan, mixed solution and pure water, adding potassium persulfate in nitrogen atmosphere, and reacting.

QIN H, ZHANG H, CHEN J, ZHENG K, HE H, XIE W, WU Q, ZHAO Y, CHEN Y, XIANG L, LIU Y, QU C

Modifying aqueous and oil-based drilling fluids by aza-graphene nanosheets involves preparing aza-graphene nano-sheet with high nitrogen content into aqueous solution and then mixing with the existing aqueous or oil-based drilling fluid, and using inorganic salts.

LIU S, GONG G, CHEN J, LI L, DENG Y, ZHANG Z, LI J, ZHOU C, LUO C, ZHANG H