In each graphite column there is a through hole in which a technological channel is placed.
在每个石墨列有一个通孔，其中一个技术通道上。
A method for the determination of Pd and pt in catalyst by graphite furnace atomic absorption spectrometry is introduced, sulfhydryl cotton column is used to separate interferential elements.
介绍应用石墨炉原子吸收法测定催化剂中钯和铂的分析方法，及可将干扰元素去除的巯基棉柱分离法。
By column adsorption experiment, the ability of the expanded graphite removing the SO2 through adsorption was analyzed.
通过SO 2动态柱吸附实验分析了膨胀石墨对SO2的吸附脱除能力。
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