coating said {HEAD ~ substrate} with {TAIL ~ a solution} formed from a soluble source of silicon oxide, water, a solvent, a nonionic surfactant, an ionic additive, and an acid catalyst; and 
with
coating said { HEAD ~ substrate } with { TAIL ~ a solution } formed from a soluble source of silicon oxide , water , a solvent , a nonionic surfactant , an ionic additive , and an acid catalyst ; and
OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH