A method 10 wherein {HEAD ~ the corrosion inhibitor} has {TAIL ~ an EC50} for Skeletonema costatum greater than 1 ppm by weight 
has
A method 10 wherein { HEAD ~ the corrosion inhibitor } has { TAIL ~ an EC50 } for Skeletonema costatum greater than 1 ppm by weight
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH