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.

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;