<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31410081</termId><termName>infrared reflectography</termName><termType>PT</termType><termNote><![CDATA[ Infrared reflectography is a digital imaging technique that allows study of layers beneath the surface of  a painting by capturing absorption/emission characteristics of reflected infrared radiation. A complementary technique to x-radiography, IRR uncovers somewhat different information.The longer wavelengths of infrared radiation  penetrate most surface pigments and reveal charcoal or graphite underdrawings, the underlying initial stages of a composition. ]]></termNote><termCreatedDate>2026-03-30 20:50:15</termCreatedDate><relation><relationType>UF</relationType><termId>31410082</termId><termName>IRR</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31410083</termId><termName>infra-red reflectography</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31410084</termId><termName>reflectography, infrared</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31371272</termId><termName>picture-taking techniques by radiation type</termName><termType>PT</termType></relation></term>  </Zthes>