<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317436</termId><termName>pyrolysis mass spectrometry</termName><termType>PT</termType><termNote><![CDATA[ Method of chemical analysis in which the sample is subjected to pyrolysis and the pyrolysate is then analyzed by mass spectrometry.  ]]></termNote><termCreatedDate>2026-03-30 20:25:28</termCreatedDate><relation><relationType>UF</relationType><termId>31317437</termId><termName>Py-MS</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317438</termId><termName>pyrolysis-mass spectrometry</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317439</termId><termName>spectrometry, pyrolysis mass</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304443</termId><termName>mass spectrometry</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31341401</termId><termName>direct temperature-resolved mass spectrometry</termName><termType>PT</termType></relation></term>  </Zthes>