paper-Polymer bags 纸塑复合袋
All this material is covering a layer of polymer paper.
这一切复盖了一层高分子材料是纸。
The effect of weather on polymer surfaces are systematically reviewed in this paper.
本文较系统地论述了大气环境对聚合物表面的作用;
The fundamental principles of specular reflection FTIR and its applications in the analysis of polymer structures are introduced in this paper.
简要介绍了镜面反射红外光谱的基本原理以及它在聚合物结构分析中的应用。
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