• The preparation methods of sulfonated coal and factors such as sulfonation time, sulfonation temperature and ratio of acid to coal etc.

    试验研究褐煤制磺化制备方法及磺化温度、磺化时间因素对产物磺化煤的离子交换活性的影响。

    youdao

  • The preparation methods of sulfonated coal and factors such as sulfonation time, sulfonation temperature and ratio of acid to coal etc.

    试验研究褐煤制磺化制备方法及磺化温度、磺化时间因素对产物磺化煤的离子交换活性的影响。

    youdao

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