number flow rate

symbol: $q_{\rm{N}}$
https://doi.org/10.1351/goldbook.N04264
Number of defined particles, or elementary entities of a defined component, crossing a cross-section divided by the time.
See: mass flow rate, volume flow rate
Source:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 984 [Terms] [Paper]
Citation: 'number flow rate' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.N04264 RIS BibTex EndNote
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