%%
%% This is file `example.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% nomentbl.dtx  (with options: `example')
%% 
%% Copyright (C) 2006 by Stefan Pinnow
%% 
%% This file can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License distributed from CTAN
%% archives in the directory macros/latex/base/lppl.txt; either
%% version 1.2 of the license, or (at your option) any later version.
%% 
%% Nomentbl example
%% For nomentbl v0.4
%% 
%% Written by Stefan Pinnow
%% 


%%
%%
\documentclass{article}
\usepackage[notintoc]{nomentbl}
\usepackage{setspace}
    \makenomenclature
\begin{document}
\section*{Main equations}
Here an equation
    \begin{equation}\label{eq:heatflux}
        \dot{Q} = k \cdot A \cdot \Delta T
    \end{equation}%
    \nomenclature[aQ]{$\dot{Q}$}{heat flux}{W}{}%
    \nomenclature[ak]{$k$}{overall heat transfer coefficient}{$\frac{\mathrm{W}}{\mathrm{m}^2\mathrm{K}}$}{see eq.~(\ref{eq:ohtc})}%
    \nomenclature[aA]{$A$}{area}{m$^2$}{$L^2$}%
    \nomenclature[aL]{$L$}{length}{m}{SI base quantity}%
    \nomenclature[aT]{$T$}{temperature}{K}{SI base quantity}%
    \nomenclature[aT]{$\Delta T$}{temperature difference}{K}{SI base quantity}%
or another one
    \begin{equation}\label{eq:ohtc}
        \frac{1}{k} = \left[\frac{1}{\alpha _{\mathrm{i}}\,r_{\mathrm{i}}} +
        \sum^n_{j=1}\frac{1}{\lambda _j}\,
        \ln \frac{r_{\mathrm{a},j}}{r_{\mathrm{i},j}} +
        \frac{1}{\alpha _{\mathrm{a}}\,
          r_{\mathrm{a}}}\right] \cdot r_{\mathrm{reference}}
    \end{equation}%
    \nomenclature[ga]{$\alpha$}{convection heat transfer coefficient}{$\frac{\mathrm{W}}{\mathrm{m}^2\mathrm{K}}$}{}%
    \nomenclature[zi]{i}{in}{}{}%
    \nomenclature[gl]{$\lambda$}{thermal conductivity}{$\frac{\mathrm{W}}{\mathrm{m K}}$}{}%
    \nomenclature[za]{a}{out}{}{}%
    \nomenclature[zn]{$n$}{number of walls}{}{}%
    \nomenclature[zj]{$j$}{running parameter}{}{}%
That should do it.
\onehalfspacing
\printnomenclature
\end{document}


\endinput
%%
%% End of file `example.tex'.
