1. Science CollegeAir Force Engineering UniversityXi'AnShannXi710051People's Republic of China
2. Department of Aviation Ammunition EngineeringFirst Aviation University of Air ForceXinYangHeNan464000People's Republic of China
3. College of Food Science and EngineeringNorthwest A&F UniversityYangLingShannXi712100People's Republic of China
4. Department of Science ResearchAir Force Engineering UniversityXi'AnShannXi710051People's Republic of China