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