中文摘要：

探究了不同条件下麦草硫酸水解木糖溶出的变化。结果表明，在水解温度120℃，水解时间60min。硫酸的质量分数4％时，木糖提取量达到最大值0．20g／g麦草，木糖的溶出过程随着水解反应强度的增强可分为三个阶段。X射线衍射、傅里叶红外光谱和环境扫描电镜分析表明，硫酸质量分数和水解温度是影响水解过程中麦草纤维素结晶区破坏的主要因素，在木糖提取量最大时，半纤维素几乎完全降解溶出。

英文摘要：

The xylose dissolution of wheat straw in sulfuric acid hydrolysis were explored under different conditions, which demonstrated that when hy~trolysis was carried out at 120℃ for 60 min, with sulfuric acid concentration of 4%, the xylose extraction efficiency of wheat straw reached the maximum amount of 0.20 g/g. Moreover, xylose dissolution process could be divided into three stages along with the increase of hydrolysis reaction strength. X-Ray Diffraction （XRD）, Fourier Transform Infrared Spectroscopy （FT-IR） and Environmental Scanning Electron Microscopy （ESEM） analyses confirmed that sulfuric acid concentration and temperature were the main factors to damage wheat straw fiber crystallization area. When the xylose extraction efficiency was maximized, hemicellulose was almost completely degraded and dissolved.