MA Xin; TU Ran; CHENG Xudong . Sub-Atmospheric Pressure Coupled with Width Effect on Downward Flame Spread over Energy Conservation Material Polyurethane Foam；耦合低气压与宽度效应对于保温材料聚氨酯泡沫逆流火蔓延的影响[J]. 热科学学报, 2020 , 29(1) : 115 -121 . DOI: 10.1007/s11630-019-1077-9