An apparatus for measuring the length of
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Yu.P. Dmitrevskii; V.V. Elestratov; A.F. Prudkoglyad
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Article
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1973
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Elsevier Science
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English
β 94 KB
The consumption of liquid hydrogen in this target is exactly the same as in that described above. One can work with an electron beam without ref'dling with hydrogen for 4 to 5 days. If necessary, the hydrogen reservoir and one of the targets can be f'dled with liquid He 4 and the other with He 3 by