<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31428100</termId><termName>mass spectrometers</termName><termType>PT</termType><termNote><![CDATA[ Mass spectroscopes that identify and record the kinds and intensities of particles in a given substance. ]]></termNote><termCreatedDate>2026-03-30 20:55:29</termCreatedDate><relation><relationType>UF</relationType><termId>31428101</termId><termName>mass spectrometer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428102</termId><termName>spectrometer, mass</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428103</termId><termName>spectrometers, mass</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398332</termId><termName>mass spectroscopes</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31304511</termId><termName>peptide mass fingerprinting</termName><termType>PT</termType></relation></term>  </Zthes>