Ключевые слова:
Radioactive tracer methods|Flow rates|Estimation|Channel flow|Flow|Mathematical calculations|Sampling methods|Field testing|Sewers|Concentration (chemical)|Water|Hydrodynamics|Dilution|Solutions|Determination of content|Tracer methods|Flow measurement|Test equipment|Liquid flow|Rivers|Errors|Roughness (surface)|Mixing|Constant flow rates|Error analysis|Chemical analysis and testing|Hydrology