HALS are experimentally used in PVC films in this study.It is shown that thermostabilization and photostabilization functions of HALS are similar to those of benzophenone in PVC.
将受阻胺光
试
于PVC
，
果表明，该光于PVC中，其光、热效果与二苯甲酮类紫外光相近。
（Hindered Amine Light Stabilizer）；手助腹腔镜外科（hand-assisted laparoscopic surgery）HALS are experimentally used in PVC films in this study.It is shown that thermostabilization and photostabilization functions of HALS are similar to those of benzophenone in PVC.
将受阻胺光试于PVC，果表明，该光于PVC中，其光、热效果与二苯甲酮类紫外光相近。
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