<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343597</termId><termName>neodymium</termName><termType>PT</termType><termNote><![CDATA[ A silvery-white metallic element of the lanthanide series, atomic no. 60, which was discovered as a component (with praseodymium) of the supposed element didymium and is used in mischmetal and some other alloys. ]]></termNote><termCreatedDate>2026-03-30 20:32:40</termCreatedDate><relation><relationType>BT</relationType><termId>31412128</termId><termName>neodymium, neodymium isotopes, compounds, alloys</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31375243</termId><termName>nonferrous metal</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31319740</termId><termName>elements</termName><termType>PT</termType></relation></term>  </Zthes>