$C_0$	The initial concentration of the solution
$C_1$	The concentration of cations
$C_2$	The concentration of anions
H	The distance between membranes (Channel width)
$j_1$	The flux of cations
$j_2$	The flux of anions
$D_1$	The duffusion of cations
$D_2$	The duffusion of anions
$\phi$	The electric field potential (Potential jump)
$d_1$	The initial value of the potential
$d_2$	The speed of the potential sweep
${\epsilon }_{\alpha }$	The absolute permittivity of the solution
F	The Faraday constant
R	The gas constant
T	The absolute temperature
t	The time
$t_n$	The space charge breakdown start time
${\phi }_n$	The space charge breakdown start potential jump