Fig. 1. Schematic diagram of LAHM. (a) Dry particle; (b) particle before deliquescence; (c) particle in deliquesce; (d) particle after deliquescence

Fig. 2. Particle size of hydrophilic particles as a function of relative humidity

Fig. 3. Schematic diagram of BAHM

Fig. 4. Particle size of hydrophobic particle versus X_RH. (a) results based on BAHM; (b) results from the empirical formula

Fig. 5. Refractive index of particles after deliquescent versus X_RH

Fig. 6. Theoretical and experimental comparison curves of 0.1 μm NaCl aerosol’s f(X_RH)

Fig. 7. f(X_RH)’s change of 4 hydrophilic aerosol particles under different particle sizes. (a) NaCl; (b) Na₂SO₄; (c) NaNO₃; (d) (NH₄)₂SO₄

Fig. 8. f(X_RH)’s curve of soot aerosol particle with relative humidity and particle size

Fig. 9. Effect of particle size and refractive index on the scattering coefficient of 0.9 μm particle in the range of 40%--90%