After calling up the "Production/degradation" dialogue window and if no zoning data is available in the model file, a distinction can be made between degradation and production or the half-life calculation during the calculation. If the half-life period calculation is selected, the following input window appears (only for transient calculation):

Half-life period

Enter the half-life period of the radioactive or biological decay.

Diagram

A preview diagram is created based on the time factor entered. This can be saved as an image file (Save diagram).

Results for intermediate points of the transient mass transport calculation