• 实验分析了作为配伍材料磺化褐煤对磺甲基酚醛树脂质量评价影响

    The influences of different sulfonated lignite as compatible material on quality estimation of sulfomethyl phenol formaldehyde resin(SMP) were analyzed by experiments.

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  • 试验研究褐煤磺化制备方法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。

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

    youdao

  • 试验研究褐煤磺化制备方法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。

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

    youdao

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