The rheological property, extrusion property and heat stability in the processing of PVC dry blends modified by impact ACR are introduced briefly.
简单介绍了用冲击A CR改性的PVC干混料的流变、 挤出和加工热稳定性能。
The topics to be used dry heat pump technology to sea cucumbers for processing, experimental study to determine the sea cucumber heat pump drying pretreatment methods and drying process.
本课题拟用热泵干燥技术对海参进行加工，通过实验研究确定海参热泵干燥的预处理方法和干燥工艺流程。
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