Polymer
Hydroxyl
Fuel cell
Rubber composition
Decomposition of cellulose fiber
http://en.wikipedia.org/wiki/Melanin
Identifying allergen
Tea
Electroluminescent element
Surface abnormality determination
Heat sensor
Drug-eluting stent
Columnar structure
Consonant
Medium concealment
Liquefaction prevention construction
Membrane body
Protein
Electrolyte