Based on the viewpoint of energy and mass transfer,subject intension of the leaking and sealing terms were explained,and the interface leaking,permeating leaking and destroyed leaking terms were defined.

Finite element simulation of high voltage direct current electricity technology for double liner landfill leakage detection;

Leak current model in leakage detection of HDPE liner using high voltage DC method;

A new leakage detection system based on high voltage DC method was successfully developed through comparison among foreign methods used in landfill leakage detection.

Research of leak detecting and expert analyzing system of buildings;

It is of great military and economic significance to study the leak detecting technology and equipment for military engineering to ensure the army men s training and living, the safe storage of weapons, equipments and materials, the exertion of military functions and the accomplishment of military tasks.