• PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.

    联苯任何一种联苯反应生成非常稳定二环有机化合物

    youdao

  • The time required for obtaining the polychlorinated-biphenyl extract after addition of the oily liquid to the first column (10) is generally as short as about 2-10 hours.

    第一色谱柱(10)添加油性液体获得多氯联苯类抽提液所需要时间通常2 ~ 10小时左右时间。

    youdao

  • The time required for obtaining the polychlorinated-biphenyl extract after addition of the oily liquid to the first column (10) is generally as short as about 2-10 hours.

    第一色谱柱(10)添加油性液体获得多氯联苯类抽提液所需要时间通常2 ~ 10小时左右时间。

    youdao

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