Dental Clinic Comparison Chart: Capacity and Costs for Fixed Clinics, Mobile Clinics and Clinics Using Portable Equipment. * Fixed locations may include a free-standing facility, community health center, hospital, school or other location.
Diffusion is a process leading to equalization of substance concentrations in a system or establishing in a system an equilibrium concentration distribution that results from random migration of the system's elements. Three types of diffusion are distinguished, viz., molecular, Brownian, and turbulent.
diffusion (diÂ·fyÅÅËÂ·zhn), 1  n the tendency of molecules within a gas or liquid to move from an area of higher concentration to one with lower concentration. 2  1. Scattering of light passing through a heterogeneous medium, or being reflected irregularly by a surface, such as a sandblasted opal glass surface.