Firstly, the content of corncob total solid material, ash, acid-soluble lignin and acid-insoluble lignin was determined. which are 98.2%, 3.8%, 3.3% and 16.9% separately.

• 测定了玉米芯中总固体物质、灰分、酸溶木质素及酸不溶木质素含量；分别为:98.；2%25、3