Core dictionary (coreCIF) version 2.4.5
This definition has been superseded and is retained here only for archival purposes. Use instead '_reflns_shell_meanI_over_uI_gt'
The ratio of the mean of the intensities of the significantly intense reflections (see _reflns_threshold_expression) in this shell to the mean of the standard uncertainties of the intensities of the significantly intense reflections in the resolution shell.
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