Fig. 1From: Effect of extraction on the acoustic vibrational properties of Picea jezoensis var. microsperma (Lindl.) W.C.Cheng & L.K.FuRelative change in the density (ρ), dynamic elastic modulus (EL) and specific dynamic elastic modulus (EL/ρ) after treatment with deionized water, dichloromethane, benzyl alcohol, and ethanolBack to article page