国家/地区 中国（6）
IPC部 C（4） G（3） B（2）
IPC大类 G01（3） C07（2）
IPC小类 G01N（3）
IPC
发明人 YAO X（6）
公开年 2019（3） 2021（2）
申请年 2019（6）
专利权人 CHINA PETROL.（2） UNIV GUIZHOU.（2）

Preparing catalyst for catalyzing meso-lactide to produce D, L-lactide comprises e.g. dispersing sulfonated graphene into water, adding metal salt solution of palladium ion or ruthenium ion, and adding reducing agent to obtain catalyst.

SUN Q, ZHANG T, BAI F, GAO D, PENG S, YAO X

Gas and moisture permeable film used in vegetable and fruit fresh-keeping package, comprises support layer and functional layer, where functional layer exists on one side of support layer or on both sides of support layer.

ZHANG Y, YIN J, ZHENG C, SONG J, TANG Y, YAO X, PAN G, LIU Y

Composite filter membrane for biosensor, comprises biocompatible hydrophilic layer, porous support layer, analytical substance filter layer, bioactive functional layer and graphene derivative layer.

YAO X

Graphene modified engine lubricating oil testing device, has controller whose sides are equipped with torque measuring device which is connected with belt transmission device, and experiment box whose ends are installed with thermometer.

YANG M, ZHU X, YAO X, ZHANG S

Preparing salicylaldehyde Schiff base/graphene oxide modified paper-based material for detecting copper ions, by refluxing salicylaldehyde and 1,2,4,5-benzenetetramine hydrochloride and soaking graphene oxide-modified paper in Schiff base.

ZHANG S, FAN J, DU M, HE B, YAO X, LIU Y

Graphene-doped hydrogen storage material preparing device comprises controller, radiating groove, fixed ground pins, material holding table, preparation port, preparation tank, control host computer, and doping tank.

YANG M, ZHU X, YAO X, ZHANG S