This article describes the production processes using two different feedstock routes and makes simple economic comparison.
本文叙述了两种不同原料路线的工艺过程，并作简单经济比较。
Using PET chips produced from different polymerization routes as material, the high viscosity PET was prepared by re-melt polycondensation.
本文采用不同路线合成的PET切片为原料，重新熔融缩聚制备高粘度PET。
The different processing routes for equal round channel angular pressing process were conducted by using node mapping method in multi-pass pressing.
通过节点映射法实现各工艺路线的多道次挤压，不同的工艺路线对应的多道次挤压变形分布具有明显差异。
The different processing routes for equal round channel angular pressing process were conducted by using node mapping method in multi-pass pressing.
通过节点映射法实现各工艺路线的多道次挤压，不同的工艺路线对应的多道次挤压变形分布具有明显差异。
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