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Figure 4
Horizontal slices of (a) GDL and (b) MPL imaged using phase contrast at 20 keV; yellow arrows indicate PA-filled cracks and voids in MPL. |
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Figure 4
Horizontal slices of (a) GDL and (b) MPL imaged using phase contrast at 20 keV; yellow arrows indicate PA-filled cracks and voids in MPL. |