<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317085</termId><termName>diffusion</termName><termType>PT</termType><termNote><![CDATA[ Process whereby particles intermingle and move from a region of higher to one of lower concentration, and for the transmission or reflection of light. Includes the effect of such processes, such as the softening of sharp outlines in a photograph. ]]></termNote><termCreatedDate>2026-03-30 20:25:23</termCreatedDate><relation><relationType>UF</relationType><termId>31317086</termId><termName>diffused</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304285</termId><termName>dispersion</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31340899</termId><termName>reverse osmosis</termName><termType>PT</termType></relation></term>  </Zthes>