| 摘要 |
Methods of identifying products by using small radio frequency identification tags mixed in a liquid, the mixtures, and articles coated with such mixtures are provided. One exemplary mixture includes a liquid that is able to retain at least one of the tags when the liquid is applied to a surface. An exemplary method of identifying a product includes introducing at least one radio frequency identification tag into a liquid that is able to retain the tag when the liquid is applied to a surface.
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