<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31341317</termId><termName>wavelength dispersive x-ray fluorescence spectrometry</termName><termType>PT</termType><termNote><![CDATA[ A technique for measuring x-ray fluorescence that involves exciting elements in a sample then diffracting the emitted radiation by using a device, such as a crystal or monochromator, in order to measure the intensity of x-rays with a specific wavelength. ]]></termNote><termCreatedDate>2026-03-30 20:32:03</termCreatedDate><relation><relationType>UF</relationType><termId>31341318</termId><termName>WDXS</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31341319</termId><termName>wavelength dispersive spectrometry</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31341320</termId><termName>wavelength dispersive x-ray fluorescence spectroscopy</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31341321</termId><termName>wavelength dispersive x-ray spectrometry</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31341322</termId><termName>wavelength-dispersive x-ray fluorescence spectrometry</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31317272</termId><termName>x-ray spectroscopy</termName><termType>PT</termType></relation></term>  </Zthes>