<正>利用层压板的理论结合植物纤维细胞壁的微现结构建立一个数学模型，并利用该数学模型研究了植物纤维细胞壁的微观结构特性与纤维向弹性模量的计算机仿真。结果表明，微细纤维与纤维轴向的夹角、半纤维素的弹性模量和含量、微细纤维的弹性模量以及纤维Ｓ１层的厚度均会对纤维的各向弹性模量产生不同程度的影响

According to the microstructure of plant fiber, the plant fiber was considered as an kind of natural macromolecule complex material in which fibril was reinforced material and hemicellulose and lignin were base stock. A mathematical model about microstructure of plant fiber was built according to the laminated board theory. This mathernatical model was used to simulate the effect of angle be- tween fibril and fiber axial direction, modulus and content of hemicellulose, modulus of fibril and thick- ness of fiber S1 layer on fiber isotropic modulus.