The Effects of Subsidy Policy on Electric Vehicles and the Supporting Regulatory Policies: Evidence From Micro Data of Chinese Mobile Manufacturers

by Xiang-Feng Liu, Xiang-Feng Liu, Ling Wang, Ling Wang
Published 2021-03-01

A Novel 3D-Printed Device for Precise Percutaneous Placement of Cannulated Compression Screws in Human Femoral Neck Fractures

by Cheng Long, Jin-hai Liu, Xiang-ping Chai, Xiang-feng Liu, Zhi-xi Duan
Published 2021-01-01