An improved method for the synthesis of 3,7 - dinitro - 1,3 , 5,7 - tetraazabicyclo [ 3.3.1 ] nonane ( 3, DPT ) from 1 was proposed.

改进了由亚甲基二硝胺合成3,7 - 二硝基 - 1,3, 5, 7-四氮杂 [ 3.3.1 ] 壬烷 ( DPT ) 的方法.

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The method for the determination of 4, 6 - dinitro - cresol ( DNOC ) in fruits has been established with GC - MS .

利用气质联用(GC -MS )技术建立了水果中4, 6- 二硝基邻甲酚 ( DNOC ) 的测定方法.

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