The blending mechanical modification and blending process modification of soft and hard HPVC were studied systematically.

系统地研究了HPVC软质材料、硬质材料的共混力学改性和共混加工改性。

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PP; nano-sized ATH; red phosphorus; surface modification; flame retardancy; mechanical property.

聚丙烯；纳米氢氧化铝；红磷；表面改性；阻燃性；力学性能。

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Inspect work of aircraft mechanics performing maintenance, repair and overhaul, or modification of aircraft and aircraft mechanical systems to ensure adherence to standards and procedures.

检查飞机机械师进行维护，修理和大修或改装飞机和飞机机械系统的工作，以确保遵守标准和程序。

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