The performance of foam ceramics was improved by surface treatment of the flexible urethane cellularplastic.
本研究通过对软质聚氨酯泡沫塑料的表面进行处理，改善了泡沫陶瓷的性能。
2
Structural type, design and calculation method of cellular voided flat slab with plastic boxes embedded in a underground garage were presented, calculating method of the deflection was proposed.