作者从计量段的熔体输送理论着手分析熔体的流变性，应用传热学原理对高速挤出换热进行详细的数值分析。
The melt rheology is analyzed by using the theory of melt conveying, and using the theory of heat transfer analyzes the heat transfer in the high speed extrusion in detail.
流变性能的影响，并分析了添加硫后的沥青碳化产物的X—射线衍射参数的变化及其碳化过程的机理。
The X-ray diffraction parameters of carbonization products and the mechanism of chemical reaction of pitch have been analyzed.
通过流变性能分析，共聚酰胺的加入使流动活化能下降，增加了共混物的流动性。
By the rheological analysis, copolyamide can decrease the flow activation energies and improve the flow behavior of the blends.
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