The empirical formulae for calculating range

Substances

$y=A_1{\text{e}}^{x/t_1}+y_o$

Ref. [5]

This work

A₁ = 5.6893 × 10⁻¹⁶, t₁ = 0.01861

y_o = −0.0191

R² = 0.99992

A₁ = 2.0524 × 10⁻¹⁴, t₁ = 0.02054

y_o = −0.04347

R² = 0.99999

Lung

A₁ = 1.5038 × 10⁻¹⁵, t₁ = 0.01912

y_o = −0.08055

R² = 0.99988

A₁ = 3.1976 × 10⁻¹⁴, t₁ = 0.02058

y_o = −0.09494

R² = 1

Breast

A₁ = 1.5704 × 10⁻¹⁵, t₁ = 0.01914

y_o = −0.08739

R² = 0.99984

A₁ = 4.1072 × 10⁻¹⁴, t₁ = 0.02102

y_o = −0.09538

R² = 1

Ovary