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

Published Year

• 1990-1999 (1)

Subject

• Gases (1)
• Helium (1)
• Mixing (1) *
• Nitrogen (1)

Author

• Bibawy, Nabil A. (1)
• Emerson, David E. (1) *

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