<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31311723</termId><termName>microhardness</termName><termType>PT</termType><termNote><![CDATA[ Hardness of a substance measured by an indenter, such as a diamond point, that penetrates microscopic areas. ]]></termNote><termCreatedDate>2026-03-30 20:23:59</termCreatedDate><relation><relationType>BT</relationType><termId>31301459</termId><termName>hardness</termName><termType>PT</termType></relation></term>  </Zthes>