57 research outputs found

    Mixtures of 3He and 4He

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    Debije-Scherrer exposures of liquid helium

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    Debije-Scherrer exposures of liquid helium

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    On the structure of solid helium

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    Superfluid flow in wide capillaries

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    THIRD-SOUND PULSES IN DOUBLY CONNECTED SYSTEMS

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    On discute la transmission et la réflection d'impulsions de troisième son aux points de branchement d'un système multiconnexe. On montre ensuite que ces impulsions peuvent être employées avec succès pour mesurer la circulation persistante d'une façon non-destructive.The transmission and reflection of third-sound pulses at branching points in multiply connected systems is discussed. These pulses are used successfully to measure persistent film-flow in a non-destructive way
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