MA Li, JIA Liang-liang, QI Xue-min, CHU Jie, ZHANG Jun-hua, CHANG De-long, XU Ya-ya. Structural Properties and Composition of Paulownia: Effect of Acetic Acid and Sodium Sulfite Combined Pretreatment[J]. Spectroscopy and Spectral Analysis, 2020, 40(2): 523