Pointing to the complicated structure and poor weldability of dynamic hydrovalve case, the welding procedure qualifications were carried out according to the ASME IX.

Research on accumulative destruction of rock mass affected by dynamic;

Analyzing Dynamics in Self-releasing Glaze;

Current study and development of concrete dynamic test equipment;

The Technical Alliance of Enterprise: Conception, Essence and Motive Force;

The study gives an account of Japan's environment management and control and probes into regional motive force and mechanism of Sino-Japanese environment cooperation.

Establishing an effective encouragement system to provide power for development of enterprises;

Analysis of Power Nonhomogeneity of the Two Rollers in High Pressure Roller Grinding;

Analysis on Railway Monitoring & Control System for Power Equipment and Environment;

College students should seize the opportunity and keep the direction and motivation of advance;

Study on the Mechanism of Cooperative Motivation of City Association;