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(a) Photograph of a closed-loop liquid-helium (LHe) NRVS cryostat at SPring-8 BL9XU with the sample space circled in yellow; (b) real sample temperature during different beamtimes from 2007–2011 at SPring-8 and ESRF [76]. Red is for biological samples and blue is for complex samples; filled circles represent samples that were attached to the cryostat by 1-propanol, and open circles are those that were attached by low-T grease.
