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。
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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