$ \begin{split}{\overline T _\nu}(t,p,u) =\; & \frac{1}{{\Delta \nu }}\int_{\nu - \Delta \nu /2}^{\nu + \Delta \nu /2} \exp [ - {k_{\nu} }(t,p)u]{\rm d}\nu =\\ & \exp \{ - u \cdot \exp (\sum\limits_{i = 0}^4 {{c_\nu}_i(t,p)[\log {{(u)}^i}]} )\} \end{split} $![]() ![]() | (1) |