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TGA, FT-IR, UV, WAXD and ESCA methods were used to detect both gas phase and condensed phase, deriving from decomposition of PVC. Meanwhile, the configuration of FRs was studied. Based on the experiments data, the FRs of PVC was divided into three kinds, and flame retardancy and smoke suppression mechanism mode for each kind of FRs was proposed.

根据所得实验数据的对比，将PVC的阻燃抑烟剂分为三个类别，分别建立了每一类化合物对PVC阻燃抑烟作用的分子模型，分别解释了各种实验现象，复配出两种阻燃抑烟性能最佳的阻燃抑烟剂。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。