| http://www.w3.org/ns/prov#value | - The particle size distribution is such that more than 70% of the particles (measured by weight) have a diameter ranging from about 50 ??m to about 500 ??m, in particular from about 50 ??m to about 200 ??m and most in particular from about 50 ??m to about 125 ??m.
|
