【摘要】 简要介绍超声波测量高分子材料取向度的原理,重点介绍了超声波离线测量和在线测量高分子材料取向度研究进展,并对超声波测量高分子材料取向度发展方向进行了展望。更多还原

【Abstract】 The theory of ultrasonic measurement in monitoring of polymer orientation degree was introduced. The research progress of ultrasonic measurement in off-line and on-line monitoring of polymer orientation degree was reviewed. In addition,the development trend of ultrasonic measurement in monitoring of polymer orientation degree was prospected.更多还原