xrsaBNC²³⁶²¹³⁺¹ 例句 The formation and the change of crystallinity, orientation and super structure of PET fiber during the spinning process were investigated by mean of FRS XRSA, SAXS and DMA. 应用 FRS- XRSA、 SAXS、 DMA等研究了涤纶短纤维在纺丝及后处理过程中的结晶、取向与超结构的形成与变化。 cnki