Descriptor : Repartition of micropores (OW/SW)
Descriptor type : categorical
Micropores: Small and simple perforation of microporous sheath or sieve.
OW: Outer wall.
SW: Single wall.
- Regular
 
- 
Regular repartition: Micropores covered the whole wall.
 
- Irregular
 
- 
Irregular repartition: Micropores covered the wall partially.
 
- isn't included in the term
 
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