Thermal analysis of ( PCN ) and ( PA ) indicated t-hat the ( Teo ) data by DTA testing for ( PCN ) and ( PA ) were , 453 and 426 respectively.

  • ( PCN ) 和 ( PA ) 的热分析 ( Teo ) 值分别为453和426 ( DTA ).

  • 互联网摘选 2025-01-20 13:19:33

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