<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304486</termId><termName>staining</termName><termType>PT</termType><termNote><![CDATA[ Auxiliary technique of analysis which artificially colors (with stain or dye) portions of the organic material examined to provide contrast between parts, thus facilitating examination. ]]></termNote><termCreatedDate>2026-03-30 20:21:53</termCreatedDate><relation><relationType>UF</relationType><termId>31304487</termId><termName>stain</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298665</termId><termName>analysis and testing techniques</termName><termType>PT</termType></relation></term>  </Zthes>