<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317320</termId><termName>vibrational spectroscopy</termName><termType>PT</termType><termNote><![CDATA[ Method of infrared spectroscopic analysis that measures the ways a molecule can vibrate. Radiation is passed through a sample and its absorption is detected in terms of characteristic frequencies associated with normal modes of vibration of molecules. ]]></termNote><termCreatedDate>2026-03-30 20:25:27</termCreatedDate><relation><relationType>UF</relationType><termId>31317321</termId><termName>spectroscopy, vibrational</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304411</termId><termName>spectroscopy</termName><termType>PT</termType></relation></term>  </Zthes>