Porosity (density related)
Porosity or void fraction is a measure of the void (i.e., “empty”) spaces in a material, and is a fraction of the volume of voids over the
In chemistry, the molar concentration, is defined as the amount of a constituent divided by the volume of the mixture. It is also called molarity,
Pyramid frustum (volume)
A pyramid frustum is the portion of a pyramid that lies between two parallel planes cutting it.
The volume of a pyramid frustum is related with the
Volume of Spherical segment
Spherical segment is the solid defined by cutting a sphere with a pair of parallel planes. The volume can be calculated by the radius of the spherical