<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317545</termId><termName>depth profiling</termName><termType>PT</termType><termNote><![CDATA[ Structural examination with the aim of obtaining information on the variation of composition with depth below the initial surface.  ]]></termNote><termCreatedDate>2026-03-30 20:25:30</termCreatedDate><relation><relationType>UF</relationType><termId>31317546</termId><termName>profiling, depth</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304569</termId><termName>surveying</termName><termType>PT</termType></relation></term>  </Zthes>