Foulier transferred infrared(FTIR) method was applied to analyze the differential chemical composition at different layers of wheat straw,and find out the influence of hot-water treatment.

• 采用傅立叶红外光谱(FTIR)法,分析了麦秸化学组成的层间差异,探讨了水热处理对麦秸表面基团构成的影响。