The heat insulation of cryogenic vessel worked under dry ice temperature was discussed, and presented double layer heat insulation structure.
讨论了在干冰温度以下工作的低温容器的隔热，提出了双层隔热结构型式。
Because of a polyfluortetraethylene microcellular structure and the flowability of the aerogel powder body, the waterproof heat insulation sandwich layer has good ventilation performance.
聚四氟乙烯微孔结构和气凝胶粉体的可流动性，使得防水隔热夹层具有良好的透气性。
The heat preservation and insulation performance and the improvement of construction technologies of open-web sandwich structure are mainly studied in this article.
本文主要是研究空腹夹层结构的保温隔热性能和施工工艺改进。
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