<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317480</termId><termName>Rutherford backscattering spectroscopy</termName><termType>PT</termType><termNote><![CDATA[ A form of ion beam analysis named for Lord Ernest Rutherford. It yields information on the thickness and elemental composition of a sample by detection of the backscattered protons from crystalites or other particles of the analysed sample. ]]></termNote><termCreatedDate>2026-03-30 20:25:29</termCreatedDate><relation><relationType>UF</relationType><termId>31317481</termId><termName>RBS</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317482</termId><termName>spectroscopy, Rutherford backscattering</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304514</termId><termName>ion beam analysis</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31304694</termId><termName>backscattering</termName><termType>PT</termType></relation></term>  </Zthes>