系统设计用两级脉冲管制冷机预冷小型节流制冷机以获得液氦温区环境。
J - t loop is precooled by two - stage pulse tube cryocooler in order to obtain liquid helium temperature.
对新型的带有液氮预冷的低温旋转阀式脉冲管制冷机进行了实验研究，得到了一些有意义的结果。
In this article, a new kind of pulse tube refrigerator with low temperature switch valve and liquid nitrogen precooler is introduced.
介绍了VAC- 0.2型真空预冷实验机结构及其基本性能。对它的数据采集处理系统进行了详细分析。
Introduces the construction and main performance of VAC-0.2 experimental setup for vacuum precooling, and discusses its data acquisition processing system in detail.
介绍了VAC- 0.2型真空预冷实验机结构及其基本性能。对它的数据采集处理系统进行了详细分析。
Introduces the construction and main performance of VAC-0.2 experimental setup for vacuum precooling, and discusses its data acquisition processing system in detail.
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