词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.
将受阻胺光稳定剂试
于PVC薄膜，结果表明，该光稳定剂于PVC中，其光、热稳定效果与二苯甲
外光稳定剂相近。
光稳定剂（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.
将受阻胺光稳定剂试于PVC薄膜，结果表明，该光稳定剂于PVC中，其光、热稳定效果与二苯甲外光稳定剂相近。
声明：以上例句、词性分
均由互
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