Wednesday, January 22, 2014

Porosity

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 total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including pharmaceutics, ceramics, metallurgy, materials, manufacturing, earth sciences and construction.

No comments:

lordosis

  Lordosis is historically defined as an abnormal inward curvature of the lumbar spine.