$\frac{3.802}{0.1027e^{\frac{-v}{17}}+0.2e^{\frac{-v}{150}}}$ $\frac{3.802}{0.1027e^{\frac{-v}{15}}+0.23e^{\frac{-v}{150}}}$ $9.178e^{\frac{v}{29.68}}$ $0.22e^{\frac{-(v-10)}{20.3}}$ $0.0084+2E-5v$ $\frac{9.178e^{\frac{v}{29.68}}}{100}$ $3.7933\times 1E-7e^{\frac{-v}{7.7}}$ $\frac{3.7933\times 1E-7e^{\frac{-v}{7.7}}}{50}$ $\frac{9.178e^{\frac{v}{29.68}}}{9.5\times 10000}$ $\frac{\mathrm{Rk}\mathrm{Temp}}{\mathrm{Fara}}\ln \left(\frac{\mathrm{nao}}{\mathrm{nai}}\right)$ $0.1917e^{\frac{-v}{20.3}}$ $\frac{\frac{3.802}{0.1027e^{\frac{-v}{12}}+0.25e^{\frac{-v}{150}}}9.178e^{\frac{v}{29.68}}3.7933\times 1E-7e^{\frac{-v}{7.7}}}{0.22e^{\frac{-(v-10)}{20.3}}(0.0084+2E-5v)}$ $0.2e^{\frac{-(v-5)}{20.3}}$ $\frac{\mathrm{Gna}\frac{O}{\mathrm{IC3}+\mathrm{IC2}+\mathrm{IF}+\mathrm{IM1}+\mathrm{IM2}+\mathrm{C3}+\mathrm{C2}+\mathrm{C1}+O}(v-\frac{\mathrm{Rk}\mathrm{Temp}}{\mathrm{Fara}}\ln \left(\frac{\mathrm{nao}}{\mathrm{nai}}\right))}{\mathrm{scale}}$ $3.7933\times 1E-7e^{\frac{-v}{7.7}}$ $\frac{3.802}{0.1027e^{\frac{-v}{12}}+0.25e^{\frac{-v}{150}}}$ $\begin{cases}\mathrm{vtest} & \text{if $(5< \mathrm{time})\land (\mathrm{time}\le 300)$}\\ \mathrm{vhold} & \text{otherwise}\end{cases}$ $\mathrm{cell}(\mathrm{IC3}\mathrm{a11}-\mathrm{IC2}\mathrm{b11})$ $\mathrm{cell}(\mathrm{IC2}\mathrm{a12}-\mathrm{IF}\mathrm{b12})$ $\mathrm{cell}(\mathrm{IF}\mathrm{a4}-\mathrm{IM1}\mathrm{b4})$ $\mathrm{cell}(\mathrm{IM1}\mathrm{a5}-\mathrm{IM2}\mathrm{b5})$ $\mathrm{cell}(\mathrm{C3}\mathrm{b3}-\mathrm{IC3}\mathrm{a3})$ $\mathrm{cell}(\mathrm{C2}\mathrm{b11}-\mathrm{C3}\mathrm{a11})$ $\mathrm{cell}(\mathrm{C2}\mathrm{b3}-\mathrm{IC2}\mathrm{a3})$ $\mathrm{cell}(\mathrm{C1}\mathrm{b12}-\mathrm{C2}\mathrm{a12})$ $\mathrm{cell}(\mathrm{C1}\mathrm{b3}-\mathrm{IF}\mathrm{a3})$ $\mathrm{cell}(\mathrm{IF}\mathrm{b2}-\mathrm{a2}O)$ $\mathrm{cell}(\mathrm{C1}\mathrm{a13}+O\mathrm{b13})$