$1\mathrm{Lp}(\mathrm{Nai}+\mathrm{Ki}+\mathrm{Cli}+\mathrm{HCO3i}+\frac{\mathrm{Xi}}{\mathrm{wi}}-\mathrm{Nao}+\mathrm{Ko}+\mathrm{Clo}+\mathrm{HCO3o})$ $\mathrm{w\_tot}-\mathrm{wi}$ $\mathrm{dN\_Nai\_dt}$ $\mathrm{theta\_NKCC1}\mathrm{J\_NKCC1}+\mathrm{theta\_NBC}\mathrm{J\_NBC}-1E10(\frac{\mathrm{gNa}}{F}(\mathrm{Vm}-\mathrm{ENa})+3\mathrm{J\_NaKATPase})$ $\mathrm{dN\_Ki\_dt}$ $\mathrm{theta\_NKCC1}\mathrm{J\_NKCC1}+\mathrm{theta\_KCC1}\mathrm{J\_KCC1}+1E10\times 2\mathrm{J\_NaKATPase}-\frac{1E10\mathrm{gK}}{F}(\mathrm{Vm}-\mathrm{EK})$ $\mathrm{dN\_HCO3i\_dt}$ $2\mathrm{theta\_NBC}\mathrm{J\_NBC}$ $\mathrm{dN\_Ki\_dt}+\mathrm{dN\_Nai\_dt}+\mathrm{dN\_HCO3i\_dt}$ $1E10(\frac{\mathrm{gNa}}{F}(\mathrm{Vm}-\mathrm{ENa})+3\mathrm{J\_NaKATPase})-\mathrm{theta\_NKCC1}\mathrm{J\_NKCC1}+\mathrm{theta\_NBC}\mathrm{J\_NBC}+\mathrm{kc}y$ $\frac{1E10\mathrm{gK}}{F}(\mathrm{Vm}-\mathrm{EK})+\mathrm{kc}y-\mathrm{theta\_NKCC1}\mathrm{J\_NKCC1}+\mathrm{theta\_KCC1}\mathrm{J\_KCC1}+1E10\times 2\mathrm{J\_NaKATPase}$ $-2\mathrm{theta\_NBC}\mathrm{J\_NBC}$ $\mathrm{N\_Nao}+\mathrm{N\_Ko}-\mathrm{N\_HCO3o}$ $\frac{RT}{1F}\ln \left(\frac{\mathrm{Nao}}{\mathrm{Nai}}\right)$ $\frac{RT}{1F}\ln \left(\frac{\mathrm{Ko}}{\mathrm{Ki}}\right)$ $\frac{RT}{-1F}\ln \left(\frac{\mathrm{Clo}}{\mathrm{Cli}}\right)$ $\frac{\frac{1E10\mathrm{gKCC1}\mathrm{ft}}{F}RT}{F}\ln \left(\frac{\mathrm{Ko}\mathrm{Clo}}{\mathrm{Ki}\mathrm{Cli}}\right)$ $\begin{cases}1 & \text{if $(\mathrm{time\_}\ge 10)\land (\mathrm{time\_}< 20)$}\\ 0 & \text{otherwise}\end{cases}$ $\frac{1E10\mathrm{gNBC}}{F}(\mathrm{Vm}-\mathrm{ENBC})$ $\frac{\frac{1E10\mathrm{gNKCC1}\mathrm{ft}}{F}RT}{F}\ln (\frac{\frac{\mathrm{Nao}}{\mathrm{Nai}}\mathrm{Ko}}{\mathrm{Ki}}\left(\frac{\mathrm{Clo}}{\mathrm{Cli}}\right)^2)$ $\begin{cases}1 & \text{if $(\mathrm{time\_}\ge 10)\land (\mathrm{time\_}< 20)$}\\ 0 & \text{otherwise}\end{cases}$ $\frac{RT}{\mathrm{zNBC}F}\ln \left(\frac{\frac{\mathrm{Nao}}{\mathrm{Nai}}\mathrm{HCO3o}^2}{\mathrm{HCO3i}^2}\right)$ $\frac{\mathrm{gNa}\mathrm{ENa}+\mathrm{gK}\mathrm{EK}+\mathrm{gCl}\mathrm{ECl}+\mathrm{theta\_NBC}\mathrm{gNBC}\mathrm{ENBC}-\mathrm{J\_NaKATPase}F}{\mathrm{gNa}+\mathrm{gK}+\mathrm{gCl}+\mathrm{theta\_NBC}\mathrm{gNBC}}$ $\frac{\frac{\mathrm{Pmax}\mathrm{Nai}^{1.5}}{\mathrm{Nai}^{1.5}+\mathrm{K\_Nai}^{1.5}}\mathrm{Ko}}{\mathrm{Ko}+\mathrm{K\_Ko}}$ $\frac{1E10\times 2\mathrm{J\_NaKATPase}F}{\mathrm{elementary\_charge}\mathrm{nA}}-\frac{1E10\mathrm{gK}}{\mathrm{elementary\_charge}\mathrm{nA}}(\mathrm{Vm}-\mathrm{EK})$ $\frac{1E10\mathrm{gCl}}{\mathrm{elementary\_charge}\mathrm{nA}}(\mathrm{Vm}-\mathrm{ECl})$ $\mathrm{J\_NBC}-\frac{1E10\mathrm{gNa}}{\mathrm{elementary\_charge}\mathrm{nA}}(\mathrm{Vm}-\mathrm{ENa})+\frac{1E10\times 3\mathrm{J\_NaKATPase}F}{\mathrm{elementary\_charge}\mathrm{nA}}$ $\begin{cases}\frac{\mathrm{N\_Nai}}{\mathrm{wi}} & \text{if $\frac{\mathrm{N\_Nai}}{\mathrm{wi}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_Ki}}{\mathrm{wi}} & \text{if $\frac{\mathrm{N\_Ki}}{\mathrm{wi}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_Cli}}{\mathrm{wi}} & \text{if $\frac{\mathrm{N\_Cli}}{\mathrm{wi}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_HCO3i}}{\mathrm{wi}} & \text{if $\frac{\mathrm{N\_HCO3i}}{\mathrm{wi}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_Nao}}{\mathrm{wo}} & \text{if $\frac{\mathrm{N\_Nao}}{\mathrm{wo}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_Ko}}{\mathrm{wo}} & \text{if $\frac{\mathrm{N\_Ko}}{\mathrm{wo}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_Clo}}{\mathrm{wo}} & \text{if $\frac{\mathrm{N\_Clo}}{\mathrm{wo}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{N\_HCO3o}}{\mathrm{wo}} & \text{if $\frac{\mathrm{N\_HCO3o}}{\mathrm{wo}}> 0$}\\ 1E-180 & \text{otherwise}\end{cases}$ $\begin{cases}\frac{\mathrm{gamma\_alpha\_beta}}{\mathrm{gamma\_alpha}\mathrm{gamma\_beta}}(1-\frac{\mathrm{time\_}-\mathrm{t0}}{\mathrm{deltaT}})^{(\mathrm{beta}-1)}\left(\frac{\mathrm{time\_}-\mathrm{t0}}{\mathrm{deltaT}}\right)^{(\mathrm{alpha}-1)} & \text{if $(\mathrm{time\_}\ge \mathrm{t0})\land (\mathrm{time\_}\le \mathrm{t1})$}\\ -1 & \text{if $(\mathrm{time\_}> \mathrm{t1})\land (\mathrm{time\_}< \mathrm{t2})$}\\ 0 & \text{otherwise}\end{cases}$ $\mathrm{t1}-\mathrm{t0}$ $(\mathrm{alpha}+\mathrm{beta}-1)!$ $(\mathrm{alpha}-1)!$ $(\mathrm{beta}-1)!$