For example, {TAIL ~ a percentage} of {HEAD ~ the gas component}, by volume, within the process fluid and during the varying of the pressure may be determined, based on the pressure values and the density values 
For example , { TAIL ~ a percentage } of { HEAD ~ the gas component } , by volume , within the process fluid and during the varying of the pressure may be determined , based on the pressure values and the density values
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH