Research progress on fire resistance of high-performance concrete in high temperature environment

1-6

Yuxuan Gu, Zhining Yang

Design of Control System for Mobile Phone Back Cover Appearance Inspection Machine

7-16

Zhixiong Qu, Jinyu Xu, Jing Cao

Three-Dimensional Characteristics of Speculative Capital and Ex Post Stock Price Volatility: The Inverted U-Shaped Divergence and Asymmetry in Daily Price Limits

17-38

Dong Ye