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Figure 9
(a) Plot of temperature versus time for a fine thermocouple undergoing the crystal-mounting process. The thermocouple–mounting-pin assembly was lifted out of the liquid N2 at time t = 0 s and mounted less than 2 s later. The temperature remained at 77.4 K for about 1 s after removal, presumably because of a small volume of liquid N2 initially trapped in the cavity. (b) Plot of temperature versus time for the dismounting process. The thermocouple–mounting-pin assembly was removed from the goniometer at time t = 0.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 31| Part 6| December 1998| Pages 945-953
https://doi.org/10.1107/S0021889898005305
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