<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31340899</termId><termName>reverse osmosis</termName><termType>PT</termType><termNote><![CDATA[ Movement of molecules of a liquid through a semipermeable  membrane from a region of high solute concentration into a less concentrated field; a reversal of normal flow that occurs when hydrostatic pressure exceeds the osmotic pressure. ]]></termNote><termCreatedDate>2026-03-30 20:31:56</termCreatedDate><relation><relationType>UF</relationType><termId>31340900</termId><termName>osmosis, reverse</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31317085</termId><termName>diffusion</termName><termType>PT</termType></relation></term>  </Zthes>