Abstract

In this work, technical approaches for remote detection of explosives and energetic materials by 14N NQR and NMR are presented. In the case of 14N NQR, a problem of the detection of ammonium nitrate (AN) and AN-based explosives have been considered. Special accent is made on the technical solutions with use of cross-relaxation enhanced NQR. In the second part of the work, applications of 14N NMR (TD-NMR) for detection of hazardous liquids are discussed. A method of the fast discrimination of dangerous liquids by the low-field 14N NMR relaxation parameters have been proposed and tested using a set of energetic, toxic and electrolyte liquids. A surface coils for the detection of liquids in NMR is also studied.

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