最后叙述了聚氨酯泡沫塑料的低温绝热结构及应用情况。
Last, the structures of polyurethane foams used in cryogenic insulation and their applications are discussed.
通过对低温绝热贮罐罐体的吸附器结构的改进及其分子筛充装工艺措施的完善，较好地解决了在绝热空间其分子筛活化、 再生困难的问题。
Improve the structure of absorber in cryo- insulated storage tank, change the filling process of sieve sorbent, so as to decrease the difficulty of activation of sieve sorbent in an insulated space.
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