The structure of the film system was designed as PET(polyester) / Cr / polyurethane / Al according to the optics interference theory of multiplayer.

 
  • 根據多層復合膜光干涉原理設計和計算了光變色薄膜,所確定的薄膜膜系結構為PET(聚酯薄膜)/Cr/介質(zhì)/Al。 介質(zhì)是有機高聚物聚氨酯。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan