\begin{table}%t7
\caption{\label{JMLTab:HeliumFlow}Helium flow.}
%\centering
\par
\begin{tabular}{l*{3}{c}}
\hline
\hline \noalign{\smallskip}
Flows & flow \element[][4]{He} & Ftot (DN3+DN4) & flow \element[][3]{He}\\
 & $\mu$mol/s & $\mu$mol/s & $\mu$mol/s\\
\hline
FMIN2 & 14.5 & 19.8 & 5.4\\
FMIN  & 16.6 & 22.9 & 6.3\\
FNOM1 & 20.3 & 27.8 & 7.5\\
FNOM2 & 22.6 & 30.8 & 8.2\\
\hline
\end{tabular}
\vspace*{5mm}
\end{table}