<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31444115</termId><termName>human centrifuges</termName><termType>PT</termType><termNote><![CDATA[ Centrifuges used to train and prepare astronauts for the acceleration forces in spaceflight.  ]]></termNote><termCreatedDate>2026-03-30 20:52:53</termCreatedDate><relation><relationType>UF</relationType><termId>31444116</termId><termName>centrifuges, human</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31444117</termId><termName>human centrifuge</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31383823</termId><termName>biological sciences equipment</termName><termType>PT</termType></relation></term>  </Zthes>