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Emeritus Prof. Dr.-Ing. habil. Joaquín Martínez (left) and Apolinar Picado (right) at the 25th Inter-American Congress of Chemical Engineering (IACChE), Sheraton Santiago Hotel & Convention Centre, in Santiago, Chile
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Apolinar Picado (left) and Late Prof. Dr.-Ing. habil. Luis Moreno (right) at the Drottningholm Palace in Stockholm, Sweden
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Poster Presentation at the 15th International Drying Symposium (IDS) 2006, Congress Park Hotel Flamenco, in Budapest, Hungary
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Poster Presentation at the 22nd Inter-American Congress of Chemical Engineering (IACChE) 2026, San Miguel Palace, in Buenos Aires, Argentina
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Poster Presentation at the 1st Latin-American Multidisciplinary Congress of Applied Sciences (COMCAPLA) 2010, La Gran Francia Hotel, in Granada, Nicaragua
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Nicaragua – 30 år av samarbete och vänskap 2010 at Sida Exit Forskartorget in Stockholm, Sweden
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Zhao Wang's PhD Dissertation 2013 at KTH in Stockholm, Sweden