College of Material & Chemical Engineering Chengdu University of Technology;
Chengdu;
China;
College of Material & Chemical Engineering Chengdu University of Technology;
Chengdu;
China Mianyang Product Quality Supervision and Inspection Bureau;
Mianyang;
China;
Mianyang Product Quality Supervision and Inspection Bureau;
Mianyang;
China;
Infrared; Spectrometer; (IR); White; Spirit; Authenticity; Identification;