A superfluid (He Ⅱ) experiment setup with a good control characteristic is indispensable in order to investigate He Ⅱ porous plug liquid-vapor phase separator.

A continuous desulphurizing process with using porous plug to blow nitrogen was applied to the heavy cupola melting.

An experimental equipment with its data acquisition system is designed, fabricated and debugged for the need of porous plug phase separator test.

A Study on the Educational Thought of Jean Antoine Condorcet;

On the reason why the result different from one of ideal gas can be obtained easily with porous cork experiment and the same result can not be obtained easily with the Joule experiment;