<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14096557</termId><termName>espectroscopia de masas</termName><termType>PT</termType><termNote><![CDATA[ Instrumentos usados para medir la masa de pequeñas partículas cargadas eléctricamente. ]]></termNote><termCreatedDate>2026-03-30 20:47:05</termCreatedDate><relation><relationType>UF</relationType><termId>14096558</termId><termName>espectroscopio de masa</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>14078571</termId><termName>artefactos de medición de masa</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>14109693</termId><termName>espectrógrafos de masa</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>14109695</termId><termName>espectrómetros de masa</termName><termType>PT</termType></relation></term>  </Zthes>