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Facility for electrical and mechanical tests at cryogenic temperature

✍ Scribed by Akopjan, D.G.; Bondarchuk, A.N.; Vasiljev, V.N.; Dedurin, A.M.; Kalinin, V.V.; Karnaukh, V.A.; Korsunsky, V.E.; Kostenko, A.I.; Trokhachev, G.V.; Filatov, V.V.; Filatov, O.G.; Chvartatsky, R.V.; Chegodaev, A.T.


Book ID
114547422
Publisher
IEEE
Year
1992
Tongue
English
Weight
202 KB
Volume
28
Category
Article
ISSN
0018-9464

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Table 1 Pumping speeds of the cryopump for H 2 and Ar with the cold trap at 4.2 K and 2.2 K respectively (Pumping speeds of N 2 and dry air are equal to those of Ar within 10%) Pumping speed, I s "1 Gas 4,2 K 2.2 K H 2 4 000 5 200 Ar 1 000 1 000 gas molecules even for low values of the sticking pro