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single image hazeTopics by Science.gov

Sample records for single image haze Although dingy gray haze dominates the true color picture, The World Health Organization considers PM2.5 to be safe when it is below 25. Haze in this region tends to worsen in the fall and winter, when cold, heavy air traps pollutants near the surface.

regional particle depositionTopics by Science.gov

Jan 01, 2018 · REGIONAL DEPOSITION OF COARSE PARTICLES AND VENTILATION DISTRIBUTION IN PATIENTS WITH CYSTIC FIBROSIS. EPA Science Inventory. The efficacy of inhaled pharmaceuticals depends, in part, on their site of respiratory deposition.Markedly nonuniform ventilation distribution may occur in persons with obstructive airways diseases and may affect particle deposition.

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