The degree of hydrophobicity ratio of a hydrophobic silica is indicated by {HEAD ~ a value} of {TAIL ~ methanol wettability} and is preferable to be less than 15 
of
The degree of hydrophobicity ratio of a hydrophobic silica is indicated by { HEAD ~ a value } of { TAIL ~ methanol wettability } and is preferable to be less than 15
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH