国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/324（2）
发明人 MA Y（2）
公开年
申请年 2020（2） 
专利权人

Processing phenol-based rectifying kettle residue comprises e.g. subjecting phenol-based rectifying kettle residue by vacuum extracting deep drawing to obtain decompressed and drawing out and vacuum extracting deep drawing kettle.

HE L, LI X, WANG C, DU J, ZHOU J, CAI S, MA Y

Preparing Chinese hemp straw biomass graphene-based sulfur-doped tin oxide composite gas-sensitive material comprises e.g. crushing hemp straw, carbonizing, mixing potassium hydroxide, activating, mixing sodium citrate, and vulcanizing.

KAN K, SHI K, LI W, WANG J, MA Y