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  • The structure and composition of the copolymer were identified and examined by infrared spectrogram and NMR-H spectrum.

    通过红外光谱、核磁共振氢谱明确了聚合物的组成和结构。

    youdao

  • The structure and composition of the copolymer were identified and examined by infrared spectrogram and NMR-H spectrum.

    通过红外光谱、核磁共振氢谱明确了聚合物的组成和结构。

    youdao

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