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Results are provided for pilot comparisons between the Mendeleev All-Russia Research Institute of Metrology (VNIIM) and the All-Russia Research Institute of Physicotechnical and Radio Measurements (VNIIFTRI) in the field of particle size measurement within the framework of COOMET Project No. 378/RU/06. The research area is spherical particles with an average diameter in the range 0.5–1.5 μm. Measurements...
The results of comparisons carried out in the period from January 2001 to February 2004 on an agreed program of the COOMET project No. 181/RU/99 on measures of internal diameters (ring gauges) are presented. Uncertainties of types A and B in measurements of the diameters of measures of internal dimensions are considered.
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