copper modified

 
  • 甲醛

copper modified的用法和樣例:

例句

  1. A new ketone resin is prepared from residuum of cyclohexanone rectification and formaldehyde with compound acid as catalyst,it is modified with pyromellitic dianhydride.
    以環己酮精餾殘渣和甲醛為原料,用複合酸作催化劑,通過均苯四甲酸酐改性,合成一種新的酮樹脂。

copper modified的相關資料:

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