dual capillary column system 双柱气相色谱
Trace amounts of molybdenum in water and soil extract samples were determined using a dual column on-line ion-exchange preconcentration FIA-ICP system.
本文采用双柱在线离子交换预浓缩FIA-ICP系统，建立了水及土壤浸出液中痕量钼的测定方法。
As of March 30th, 2007, the column of "reissue and print" shall be added to the function list of the issuing system of import and export licenses for dual-use items and technologies.
自2007年3月30日起，两用物项和技术进出口许可证发证系统功能列表中增加“换证打印”栏。
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