<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31402863</termId><termName>polycapillary optics</termName><termType>PT</termType><termNote><![CDATA[ Optics using lenses comprising arrays of small hollow glass tubes that guide the x-rays to one small point. The array is tapered so that one end of the capillaries points at the x-ray source and the other at the sample. ]]></termNote><termCreatedDate>2026-03-30 20:48:20</termCreatedDate><relation><relationType>UF</relationType><termId>31402864</termId><termName>optics, polycapillary</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31361794</termId><termName>x-ray optics</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31321568</termId><termName>polycapillary lenses</termName><termType>PT</termType></relation></term>  </Zthes>