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1·Meanwhile, the peak (101) at which the ladder polymer was formed showed that the diffraction intensity became stronger as the temperature rised.

同时，还观察到了代表梯形聚合物形成的(101)峰，其衍射强度随温度升高而加强。

2·The characterization of the PAP film by infrared spectroscopy suggested that the PAP is a ladder polymer with phenoxazine rings as electroactive sites.

用红外吸收光谱法表征了聚邻氨基酚薄膜，认为该聚合物具有梯形结构，其中吩恶嗪环作为电活性点。

3·The attractive properties of this class of new semi-ladder polymers establish them as good candidates for active materials in stable pure blue polymer light-emitting diodes.

这种新型半梯形聚合物作为稳定而高效的纯蓝色电致发光聚合物材料在这一发光领域具有非常重要的应用价值。