baryon-photon ratio
breeding ratio
branching ratio
mirror ratio
resistant ratio
electron ratio
gas-to-oil ratio
standing-wave ratio
year ratio
gyromagnetic ratio
gyrofrequency gyromagnetic ratio
nuclear gyromagnetic ratio
anomalous gyromagnetic ratio
acoustic conductance ratio
acoustic impedance ratio
cadmium ratio
abundance ratio
humidity ratio
compression ratio
conversion ratio
initial conservation ratio
fatigue ratio
magneto-mechanical ratio
magnetogyric ratio
magnetomechanical ratio
crystallographic axial ratio
expansion ratio
charge mass ratio
breeding ratio
branching ratio
