First, {TAIL ~ SOx} in the gas is absorbed by the solution of {HEAD ~ polyethylene glycol} 
First , { TAIL ~ SOx } in the gas is absorbed by the solution of { HEAD ~ polyethylene glycol }
OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD