\begin{itemize}
\item rein kristalline Diffusion:
\[
- \Delta c = \frac{\textrm{Differenz}}{2} \times dr_{ac}
+ \Delta c = \frac{\textrm{Differenz}}{2} \times dr_{cc}
\]
\item Diffusion von kristalline in amorphe Gebiete:
\[
- \Delta c = c_C(Nachbar) \times dr_{cc}
+ \Delta c = c_C(Nachbar) \times dr_{ac}
\]
\end{itemize}
\end{slide}