The production of a condensed hydrogen j
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V.D. Bartenev; A.I. Valevich; Yu.K. Pilipenko; V.V. Smelyanskii
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Article
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1973
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Elsevier Science
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English
β 441 KB
the specimen chamber. The rate of cooling and the required specimen temperature depend on the rate of pumping the helium vapour, controlled by valve 23. ## Results of tests It was shown that the cryostat achieves cooling and temperature control of the specimen over the whole temperature range to