Regularity of fiber distribution in soybean protein fiber polyester blended yarn which has different blending ratio were analyzed and compared through chip and other methods,Hamilton index and Onion index were calculated.

• 通过切片等方法对不同混纺比大豆蛋白纤维与涤纶混纺纱纤维分布规律进行了分析和比较,得出Ham ilton和On ion指数。