Design, construction and commissioning of a laboratory type drum type magnetic concentrator av 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 av Tesche Roa, Paula, González, Javier

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

Ämnen: “…Concentration of power…”

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

Ämnen: “…Minimum inhibitory concentration…”

Review. Applications of whey and its proteins derivatives av 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 av 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 av Estupiñán Corredor, Wilmer Alejandro

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