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IR Frequency Region: Fingerprint Region

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IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the...

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Related Experiment Video

Updated: Jan 8, 2026

Deep Neural Networks for Image-Based Dietary Assessment

Deep Neural Networks for Image-Based Dietary Assessment

Published on: March 13, 2021

Correction: A Benchmark Dataset for Radio Signal Image-based Person Re-Identification

Marco Cascio¹, Luigi Cinque², Damiano Distante³

¹Department of Law and Economics, UnitelmaSapienza, Piazza Sassari 4, Rome, RM, 00161, Italy. marco.cascio@unitelmasapienza.it.

Scientific Data

|December 23, 2025

Summary

No abstract available in PubMed .

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