Resolve
RDF Terms

Macroscopic Cross-section

Applicable units are those of quantitykind:Area

"Macroscopic Cross-section" is the sum of the cross-sections for a reaction or process of a specified type over all atoms or other entities in a given 3D domain, divided by the volume of that domain.

http://en.wikipedia.org/wiki/Cross_section_(physics)

http://www.iso.org/iso/catalogue_detail?csnumber=31895

$\sum = n_1\sigma_1 + \cdots + n_j\sigma_j +$, where $n_j$ is the number density and $\sigma_j$ the cross-section for entities of type $j$.

$\sum$

"Macroscopic Cross-section" is the sum of the cross-sections for a reaction or process of a specified type over all atoms or other entities in a given 3D domain, divided by the volume of that domain.