α ¯

mean amount of the data

Equation (6)

αi

network output

Equation (6)

B11

the second virial coefficient

Equation (1)

B12

the mutual virial coefficient

Equation (1)

γ i

activity coefficient at infinite dilution

Equation (1)

ei

the differences between experimental and predicted data

Equation (4)

J

correction factor

Equations (1)-(3)

N

mole number of the stationary phase component inside the column

Equation (1)

n0

number of outputs

Equation (5)

ntot

total number of network parameters

Equation (5)

nhi

number of the neurons in the ith hidden layer

Equation (5)

P˚

outlet pressure

Equations ((1), (3))

Pi

inlet pressure

Equation (3)

Pᶳ

probe vapor pressure

Equation (1)

R

ideal gas constant

Equation (1)

R

correlation coefficient

Table 3

T

Temperature

Equation (1)

T c 11

critical temperature

Equation (1)

T c 12

mutual critical temperature

Equation (1)

t r

adjusted retention time

Equation (2)

τi

the target

Equation (6)

τ ¯

mean amount of the data

Equation (6)

U0

flow rate of carrier gas

Equation (2)

Vᶰ

standardized retention volume

Equations ((1), (2))

V

molar volume of solute

Equation (1)

V

partial molar volumes of the solutes at infinite dilution

Equation (1)

V c 11

critical volume

Equation (1)

V c 12

mutual critical volume

Equation (1)