The constants and are usually calibrated from sonic and density well log information but in the absence of these, Gardner's constants are a good approximation.
logging | Polarization density | Low-density polyethylene | High-density polyethylene | Nuclear density gauge | Low-density lipoprotein | Logging | Linear low-density polyethylene | High-density lipoprotein | Underwater logging | Spectral density estimation | slash (logging) | Neutral density filter | low-density lipoprotein | List of islands by population density | Keystroke logging | keystroke logging | illegal logging | Density logging | Cut-to-length logging | call logging |