【摘要】 通过对真空聚苯乙烯泡沫和聚胺脂进行对比实验和理论分析 ,证明了作为制冷保温绝热材料 ,真空聚苯乙烯泡沫的保温绝热效果明显优于聚胺脂更多还原

【Abstract】 This paper proves that as a material of heat-insulation,refrigeration and heat preservation,the vacuum styrofoam is superior obviously to polyurethane in the effects of heat insulation and preservation through contrastive analysis and experiments.更多还原