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
定剂试用于PVC薄膜，结
表明，该定剂用于PVC中，其、热定效与二苯甲酮类紫外定剂相近。
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.
将受阻定剂试用于PVC薄膜，结表明，该定剂用于PVC中，其、热定效与二苯甲酮类紫外定剂相近。
声明：以上例句、词性分类均
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