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