An improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen /

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Bibliographic Details
Main Author: Bibawy, Nabil A.
Other Authors: Emerson, David E.
Format: Unknown
Language:English
Published: Washington, DC : United States Dept. of the Interior, Bureau of Mines, 1990.
Series:Report of investigations (United States. Bureau of Mines); 9312.
Subjects:
Gases.
Mixing.
Helium.
Nitrogen.
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490 1 |a Report of investigations ;  |v 9312 
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