1The Microstructure and Properties of the Hardening Layer on Grey Cast Iron by Laser Surface Treatment 1-4,55
6Investigation on Impel-restricted Mechanism for the Manager of State-owned Enterprises in Henan Province19-22
9Research and analysis of the new cycle with super-subcooling single stage ammonia compression refrigeration system31-33
12A Numberical Study of Enhanced Heat Transfer by Longitudinal Vortex in Horizontal Rectangled Duct40-42