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Efficiency Evaluation on the Influence of Washing Methods for Biodiesel Produced from High Free Fatty Acid Waste Vegetable Oils through Selected Quality Parameters
Publicado 2020“…The increasing use of alternative energy sources has brought benefits like the recycling of waste vegetable oils (WVO) for biodiesel production; however, this practice presents challenges derived from a highly variable raw matter. …”
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Metal Complexes Containing Natural and Artificial Radioactive Elements and Their Applications
Publicado 2014“…Actinide and technetium complexes with O-, N-, N,O, N,S-, P-containing ligands, as well π-organometallics are discussed from the view point of their synthesis, properties, and main applications. …”
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El arte como actividad práxica en el pensamiento de Severo Iglesias
Publicado 2023Enlace del recurso
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Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards.
Publicado 2016“…In 2006 the Restriction of Hazardous Substances (RoHS) prohibited the use of lead (Pb) in solder paste, which has a melting temperature around 180oC, whereas lead-free solder pastes have a melting point around 230oC, 30oC-40oC higher than Pb solder paste, this has generated PCB thermo mechanical problems due to the temperature increase at which the material is exposed. …”
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Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards.
Publicado 2016“…In 2006 the Restriction of Hazardous Substances (RoHS) prohibited the use of lead (Pb) in solder paste, which has a melting temperature around 180oC, whereas lead-free solder pastes have a melting point around 230oC, 30oC-40oC higher than Pb solder paste, this has generated PCB thermo mechanical problems due to the temperature increase at which the material is exposed. …”
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ESTUDIO PILOTO PARA EL AISLAMIENTO DE VIBRIO SPP EN OSTRAS (CRASSOSTREA RHIZOPHORAE) CAPTURADAS EN LA CIÉNAGA DE LA VIRGEN, CARTAGENA, COLOMBIA
Publicado 2010“…Culture mediums and Biochemical test was used for Vibrio´s isolation and identification. the predominantVibrio´s species were V. alginolyticus (23%), V fluvialis (20%), V. parahaemolyticus (10%), V. carchariae and Vmimicus (13%), V. vulnificus, cincimatiensis and V. campbelli (7%). The sampling point with the highest number ofVibrio isolation was Mangles, cielo mar sector, which also contributed with 30% of the total of all species isolated although the difference was of no statistical significance due to their homogenous distribution. 100% of the sampling points showed cloudy water due to the presence of organic matter in suspension and visible solid waste, Thus, Factors influencing Vibrios proliferation on oysters maybe related with the Ciénaga characteristics. …”
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Aplicaciones didácticas interactivas: Su conocimiento y su uso en estudiantes del 2º semestre de FACPYA
Publicado 2018“…En este estudio se pretende Analizar el grado de conocimiento, así como la frecuencia de uso y la percepción de las aplicaciones didácticas interactivas. …”
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