Mein LaTeX-Forum

\documentclass{scrreprt}
\usepackage{amsmath}


\begin{document}

\begin{table}
   \begin{tabular}{ccccl}
         $n_{soll}\, [min^{-1}]$ & $n_{min}\, [min^{-1}]$\\
         \hline
         60 & 57\\  
   \end{tabular}
\end{table}  

\end{document}
 

\documentclass{scrreprt}
\usepackage{amsmath}
\usepackage{siunitx}

\begin{document}

\begin{table}
   \begin{tabular}{ccccl}
        \mathversion{bold}\bfseries $n_{\mathrm{soll}}$\,[\si[detect-weight]{\per\minute}] & $n_{min}\, [min^{-1}]$\\
         \hline
         60 & 57\\
   \end{tabular}
\end{table}

\end{document}
 

\documentclass[border=3pt]{standalone}
\usepackage{amsmath}
\usepackage{siunitx}
\usepackage{booktabs}

\begin{document}
\sisetup{detect-weight}
\begin{tabular}{cc}
   \toprule
   \mathversion{bold}\bfseries $n_{\mathrm{soll}}\,\left[\si{\per\minute}\right]$ &
   \mathversion{bold}\bfseries $n_{\min}\,\left[\si{\per\minute}\right]$\\
   \midrule
   60 & 57\\
   \bottomrule
\end{tabular}
\end{document}

\documentclass[border=1pt]{standalone}
\usepackage{siunitx}

\begin{document}
\sisetup{detect-weight}
\mathversion{bold}\bfseries
$\left[\si{\per\minute}\right] [\si{\per\minute}]$
\end{document}