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综述了国外在研制低特征信号推进剂的氧化剂二硝酰胺铵盐（ＡＤＮ）方面所取得的最新进展。二硝酰胺铵盐（ＡＤＮ）分子中不会卤素，其能量密度和安全性好，可除掉或从根本上降低推进剂排气羽流中的ＨＣｌ含量。
In this paper, the recent progress in the development of the oxidant dinitramide ammonium salt (ADN) abroad for the development of low-characteristic signal propellants is reviewed. The dinitramide ammonium salt (ADN) molecule is halogen-free and has good energy density and safety, eliminating or substantially reducing the HCl content in the propellant exhaust plume.