Three experimental methods for study diffusion of leaked hazardous gas are reviewed,i.e.full-scale field experiment,lab-scale simulation and smallscale field experiment.

• 综述了研究危险气体事故泄漏扩散的3种实验方法,即全规模大型现场实验、实验室模拟和小型现场实验,详细讨论该3种试验方法在实施和应用中的优缺点。