Equivalent damage ratio residual strength model
residual viscosity model
the immersion residual ratio
core-skin viscosity ratio
gas-oil viscosity ratio
interfacial viscosity ratio
oil and water viscosity ratio
Oil water viscosity ratio
oil-to-polymer viscosity ratio
oilwater viscosity ratio
pressure-viscosity ratio
solution-solvent viscosity ratio
Viscosity-keeping agent for stabilizing viscosity
Viscosity-keeping agent for stabilizing viscosity (JW-1)
axial compression ratio and slenderness ratio
B-C ratio (benefit-cost ratio)