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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">CONVERSION DIRECTA DE ENERGIA</topic></authority><related type="narrower"><topic>APARATOS TERMOELECTRICOS</topic></related><related type="narrower"><topic>BATERIAS SOLARES</topic></related><related type="narrower"><topic>CALEFACCION POR MICROONDAS</topic></related><related type="narrower"><topic>CELULAS DE COMBUSTIBLE</topic></related><related type="narrower"><topic>CELULAS SOLARES</topic></related><related type="narrower"><topic>CONVERTIDORES TERMOIONICOS</topic></related><related type="narrower"><topic>EMISION TERMIONICA</topic></related><related type="narrower"><topic>FUSION NUCLEAR CONTROLADA</topic></related><related type="narrower"><topic>GENERACION DE ENERGIA FOTOVOLTAICA</topic></related><related type="narrower"><topic>GENERADORES MAGNETOHIDRODINAMICOS</topic></related><related type="narrower"><topic>GENERADORES TERMOELECTRICOS</topic></related><related type="narrower"><topic>PRODUCCION DE ENERGIA ELECTRICA A PARTIR DE ACCIONES QUIMICAS</topic></related><related type="other"><topic>CELULAS FOTOELECTRICAS</topic></related><related type="broader"><topic>ALMACENAMIENTO DE ENERGIA</topic></related><related type="broader"><topic>PRODUCCION DE ENERGIA ELECTRICA</topic></related><variant type="other"><topic>Generación directa de electricidad</topic></variant><variant type="other"><topic>Energía directa--Conversión</topic></variant></mads>