Polysius POLY polycarboxylic high range water reducer polysaccharides in seeds of Plantaginis polycrystalline material microstructure polystyrene and cellulose macromolecule  polysaccharides in Ophiopogon japonicus polyethylene glycol decanedicarboxylate polydeoxy-cytidylate-ribonucleotide polycrystalline man-made carbon fibre  polybar trailer type row-crop sprayer polychromatic optical transfer function