<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304813</termId><termName>proton transfer reaction</termName><termType>PT</termType><termNote><![CDATA[ A reaction or reaction mechanism step in which a proton is removed from one species (the acid) and accepted by another species (the base).  ]]></termNote><termCreatedDate>2026-03-30 20:21:59</termCreatedDate><relation><relationType>BT</relationType><termId>31298688</termId><termName>physicochemical processes</termName><termType>PT</termType></relation></term>  </Zthes>