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China/Asia On Demand
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xin xing ye hai ji de tan tao
Author(s): 
Pages: 13-17
Year: Issue:  2
Journal: LOW TEMPERATURE AND SPECIALTY GASES

Keyword:  低温制冷机液氦机制冷量;
Abstract: 指出超导材料虽向高温超导发展,但液氦技术仍具有重要作用,并论述液氦机的含义.近十几年来,磁性材料用作低温制冷机的蓄冷材料,改善了制冷机的性能,进一步降低了制冷机的冷头温度,提高了它的制冷量,为研制液氦机提供了条件.然而,还存在冷头制冷量少等难点,需要进一步攻克.
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