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*rr = *rr * p_o2 * 6. * C_VOF(c,ts) * factor / (D_p * 1.e+2 * 32.);

*rr = 0.01 * c_devol_pre * Arrhenius_devolatilization * exp(- c_devol_exp *  E_Activation_devolatilization/(UNIVERSAL_GAS_CONSTANT*T)) * prod*C_VOF(c, ts);

area_density = 6. * C_VOF(c,ts) / diam ;
flux_evap = mass_coeff * (concentration_sat - concentration_evap_primary) ;
*rr = area_density * flux_evap ;

ÒÔÉÏÈý¸öÊDz»Í¬Àý×ÓÖеÄÒìÏà·´Ó¦ËÙÂʱí´ïʽ£¬¾ùº¬ÓÐC_VOF(c,ts)£¬µ«ÎÒÔÚÆäËûÀý×ÓÖÐÒ²¿´¼û°üº¬ÆøÏàÌå»ý·ÖÊýC_VOF(c£¬tp)µÄ¡£
*rr = 2.73e+14* exp(-38160./T_g) * prod_o2 * prod_nh3 * C_VOF(c,tp);
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