sonic diffraction的意思|示意

The spinnability and drawability of PMMA/PET blends were studied. The orientation and crystallization structure were measured by sonic velocity method and X-ray diffraction respectively.

研究了PMMA/PET共混纤维的可纺性和拉伸性，并测定了拉伸丝的力学性能、取向和结晶结构。

The orientation and crystallinity of the PET fibers were measured by sonic and X-ray diffraction. The feature of modulus-strain curves were discussed from the fiber structure and applications.

通过声速法和X射线衍射实验测试纤维的取向和结晶，结合纤维结构及纤维应用讨论了两种PET纤维的模量-应变曲线特点。