The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electronmicroscope (SEM).
利用电子探针、扫描电镜研究了聚丙烯腈在湿法纺丝工艺中的横截面形貌与皮芯结构。
2
In this paper, the internal transverse cracks of continuous casting slabs of a niobium bearing peritectic grade of steel are investigated using electron probe microanalyser and optical microscope.
连铸坯厚度中心存在的内裂纹在后续的轧制过程中轧不合而对产品的质量带来重大的影响。
3
The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electronmicroscope (SEM).