TRIPLE-MODE AVERAGE CURRENT CONTROL WITH VALLEY CURRENT SHAPING FOR DCM/CRM/CCM BOOST PFC CONVERTER



Precious Textile Materials: The Case of the Embroidery with a Possible Pentecost Scene in the Museo Nacional de Artes Decorativas

This paper presents the technology of the metallic threads Twin Tub Pump Belt used in the textiles of the Middle Ages trough the study of an embroidery fragment preserved in the Museo Nacional de Artes Decorativas.The origin and the development of the metallic threads technology are explained, including the different metals and alloys used.The pape

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