The technique of deep hole blasting under water pressure applied in water-bearing rock;

Numerical simulation of ACV′s water pressure field;

The Unsteady Reason to Water Pressure and the Method to Solve the Problem;

Features of slope hydraulic pressure distribution and practice for dewatering in Fushun Open Pit;

The hydraulic pressure biogas pool is studied on the basis of production and living in countryside.

Hydraulic pressure process in heating system is coupling,parameter varying,nonlinear,multi-variables process.

Establishment of reasonable water injection pressure of sandstone reservoir;

Cause analysis and countermeasure for high water injection pressure in Xin V block of Jilin oilfield.;

Aiming at the problem of high water injection pressure and low displacement efficiency,the laboratory research on decreasing injection pressure by new surfactant system has been in process with analyzing the reasons of high injection pressure.

Optimal design to the primary cylinder's cylinder body of the giant forging hydraulic press based on fuzzy reliability;

Reliability analysis of primary cylinder of giant forging hydraulic press;

Optimization design on valve-body of main distributor in the 300 MN mould forging hydraulic press;