<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31386485</termId><termName>Weisz ring ovens</termName><termType>PT</termType><termNote><![CDATA[ Apparatus that allows separation of ions in a single drop of solution; used for analysis of minute samples. Vaporizarion of solvent from filter paper is effected, leaving the solute in a ring shape. ]]></termNote><termCreatedDate>2026-03-30 20:44:14</termCreatedDate><relation><relationType>UF</relationType><termId>31386486</termId><termName>Weisz ring oven</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31386487</termId><termName>Weisz ring-oven</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31386488</termId><termName>ring ovens, Weisz</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31353034</termId><termName>heating equipment</termName><termType>PT</termType></relation></term>  </Zthes>