The changes of preferred orientation of PAN-based carbon fibers during continuous high temperature graphitization and hot stretching graphitization were investigated by X-ray diffraction (XRD).

利用XRD研究了PAN基碳纤维在连续高温石墨化和热牵伸石墨化过程中纤维内石墨微晶沿纤维轴择优取向性的变化。

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It congregates these functions such as stretching loading materiel vacuuming hot sealing and cutting on one single machine thus it can possess the functions as a complete packing line.

它是一种多功能、多用途包装机型，集薄膜位伸成型、装填物料、抽真空、热封、分切等功能于一体，在一台机械设备上具备了一条包装生产线的功能。

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Trent will drop the video cameras, the size of a salt shaker, into acidic hot springs by stretching a rope across each pool and slowly lowering cameras and instruments.

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Many included gimmicks like instant home equity loans to offset down payments, or required scant documentation, making them popular with buyers who were stretching to purchase homes in a red-hot real estate market.

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