This paper introduces the characteristics of pneumatic technology,working principle in pressure filling machine and pneumatic controlling system.

This paper introduces the application of PET vessel in the filling production line, analyses the problam that brings about during the negative pressure filling and discusses the techniques to solve the problem.

Study on grouting pressure of fracture grouting in saturated soil;

Research on allowable grouting pressure of concrete crack by means of fracture mechanics

The practice of enhancing grouting pressure influencing on earth dam curtain grouting effect

Effects of perfusion pressure with cold cardioplegic solution on porcine coronary arterial endothelial and smooth muscle function;

Aim: One of the aims of this study was to establish convenient and reasonable animal models of CPB-induced lung injury, observe the influence of pulmonary perfusion on the lung, and further research effective perfusion modus and perfusion pressure.

The relationship between perfusion pressure of the injector and uterine tube easy and smooth level was observed during the examination.

The application research of pressure grouting technology under cast-in-situ pile in engineering;

On foundation strengthening in karst district by CFG pile and pressure grouting;

Construction technology of wee pressure grouting and drilling stake;

Finite element method for hydraulic computation of pressure irrigation system;