<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358256</termId><termName>densimeters</termName><termType>PT</termType><termNote><![CDATA[ Any of several instruments that measure the density or specific gravity of liquids, solids, or gases. ]]></termNote><termCreatedDate>2026-03-30 20:36:37</termCreatedDate><relation><relationType>UF</relationType><termId>31358257</termId><termName>densimeter</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325888</termId><termName>quantity measuring devices</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398245</termId><termName>dasymeters</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398247</termId><termName>durometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398252</termId><termName>hydrometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398254</termId><termName>pycnometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398259</termId><termName>sclerometers</termName><termType>PT</termType></relation></term>  </Zthes>