<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31444176</termId><termName>ammoniameters</termName><termType>PT</termType><termNote><![CDATA[ Instruments designed to measure the percentage of ammonia in an aqueous solution. ]]></termNote><termCreatedDate>2026-03-30 20:55:28</termCreatedDate><relation><relationType>UF</relationType><termId>31482781</termId><termName>ammonia gauge</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31482782</termId><termName>ammonia-meter</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31444177</termId><termName>ammoniameter</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398252</termId><termName>hydrometers</termName><termType>PT</termType></relation></term>  </Zthes>