The results showed that the extrusion speed had effects on the irregularity of cross section, surface morphology, profile degree, sonic orientation and compactness of PAN fiber.
结果表明：喷丝速度对PAN纤维截面的规整性、表面形貌、异形度、声速取向和致密性等均会产生影响。
2
A cold-rolled strip plate-profile recognition method was presented to improve the detection accuracy based on image morphology processing method.
为了解决冷轧薄板板形识别问题，采用基于形态学的图像处理方法。
3
The production process of different PET profile yarn was studied in this paper and the relationships between morphology and property of the profile yarn of different degree of profile was discussed.