Mounting fans in series in closed adit and using two fans as air extractor and one fan for pressing air,the difficult problem of ventilation in long single entry was well-solved,the blasting smoke in working face were removed effectively and the density of dust lowered.

The animal experiment in airtight cabin of hypoxia micro-circumstance and the design of its regulative system;

Fire simulating and fireproofing design of warship sealed cabin;

Ship sealed cabin fire process and its numerical simulation;

Carried on the airtight awning room spraying experiment to the cold aerosol sprayer, the research cold aerosol has executed the medicine technology in the south middle-grade plastic awning room spraying compatibility, the droplet subsidence distribution rule, the droplet deposition density and the experimental parameter establishment rationality.