Design, construction and commissioning of a laboratory type drum type magnetic concentrator Tekijä Forero-Pinilla, Álvaro, Alarcón-Sichacá, Héctor Hely, Acosta-Hernández, Yesid Rolando

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Political resistance in the saltpetre works of Chacabuco (1973-1975), Antofagasta region, Chile Tekijä Tesche Roa, Paula, González, Javier

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Presidentialism in times of pandemic: Ecuador Tekijä Torres Maldonado, Ángel Eduardo

Aiheet: “…Concentration of power…”

Potential use of electrochemically synthesized silver nanoparticles on rice panicle blight pathogen, Burkholderia glumae Tekijä Chaves-Bedoya, Giovanni, Padilla, Hilda Angélica, Ortiz-Rojas, Luz Yineth, Peña-Rodríguez, Gabriel

Aiheet: “…Minimum inhibitory concentration…”

Review. Applications of whey and its proteins derivatives Tekijä Aponte Colmenares, Angela Patricia, Prieto Suárez, Gloria Astrid, Castellanos Báez, Yeimy Tatiana, Muvdi Nova, Carlos de Jesús, Yurievich Sakharov, Iván

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Business Groups in Ecuador: a Historical, Economic and Political Analysis Tekijä Vanoni Martínez, Giuseppe, Rodriguez Romero, Carlos

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Efecto en fuerza explosiva de miembros inferiores de un plan por modelamiento en pandemia para jugadoras de Fútbol-Sala FIFA Tekijä Estupiñán Corredor, Wilmer Alejandro

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