The oxidation of biogenic volatile organic compounds (BVOCs) gives a range of products. from semi-volatile to extremely low-volatility compounds. To treat the interaction of these secondary organic vapours with the particle phase. global aerosol microphysics models generally use either a thermodynamic partitioning approach (assuming instant equilibrium between semi-volatile oxidation ... https://www.spidertattooz.com/ZWO-Off-Axis-Guider/