Next, the means for determining optimum amounts supplemented is explained on a case of {HEAD ~ a mixed chemical solution} of two components A and {TAIL ~ B} 
Next , the means for determining optimum amounts supplemented is explained on a case of { HEAD ~ a mixed chemical solution } of two components A and { TAIL ~ B }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL