A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is
Non-invasive Authentication of Mail Packages using Nuclear Quadrupole Resonance Spectroscopy
The international postal network is one of the most widely used methods for correspondence throughout the world. Most postal traffic across the globe consists of legitimate interpersonal, business-consumer, and business-business communications. However, the global postal system is also utilized for criminal activity. In particular, it is often utilized to ship and distribute contraband, including illegal psychoactive drugs such as fentanyl and heroin, to consumers. Existing technologicaldoi:10.21203/rs.3.rs-2183687/v1 fatcat:5msm6b5sxzhzdauqtnw2drwuca