纺织学报 ›› 2009, Vol. 30 ›› Issue (10): 41-47.

• 纤维材料 • 上一篇    下一篇

牦牛尾毛纤维基本形态及皮质细胞结构的表征

刘健;胡玉波;于伟东   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-10-15 发布日期:2009-10-15

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-10-15 Published:2009-10-15

摘要: 为全面了解牦牛尾毛的纤维结构,用光学显微镜和扫描电子显微镜对牦牛尾毛纤维的基本形态及皮质细胞结构进行观察分析。实测结果表明:牦牛尾毛沿纤维长度方向的直径由根部向梢部逐渐变细,直径变异系数可达18.70%;纤维间直径呈正态分布,其变异系数为14.70%。利用细胞的超声波分离技术对牦牛尾毛纤维的皮质细胞形态及长度与直径分布情况进行实测,结果显示:长度与直径均为单峰正态分布,直径在3.5~4.5 μm之间的细胞约占53%;长度在50~80 μm之间的细胞约占70%;皮质细胞直径越细,长度越长。此外,提出采用长径比值来表征细胞形态。

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