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Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards.
Published 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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Caracterización de recubrimientos depositados por PVD para sensores de temperatura de frenos de una aeronave.
Published 2018“…The coatings were subjected to transversal analysis by SEM, accelerated corrosion tests in saline chamber and electrochemical tests with a potentiostado ACM Instruments Auto DC in H2O, NaCl and H2SO4. …”
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Caracterización de recubrimientos depositados por PVD para sensores de temperatura de frenos de una aeronave.
Published 2018“…The coatings were subjected to transversal analysis by SEM, accelerated corrosion tests in saline chamber and electrochemical tests with a potentiostado ACM Instruments Auto DC in H2O, NaCl and H2SO4. …”
Get full text
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Capacitación laboral en herramientas digitales
Published 2022“…Los resultados muestran una disminución de capacitación del 24.2% durante el año 2020 respecto al 2019 y esto no es debido a un problema de desempleo originado por la pandemia Covid-19, además se identifica que el 41.5% presentan una capacitación o ninguna al año. …”
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El español neutro en el doblaje latino: La imposición a través de luchas simbólicas
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Agro-Pellets from Oil Palm Residues/Pine Sawdust Mixtures: Relationships of Their Physical, Mechanical and Energetic Properties, with the Raw Material Chemical Structure
Published 2020“…The need for biomass as an alternative source for energy purposes points toward oil palm fruit residues (Elaeis guineensis Jacq.) as an attractive solution. …”
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Aplicaciones didácticas interactivas: Su conocimiento y su uso en estudiantes del 2º semestre de FACPYA
Published 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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Ocurrencia de fumonisinas totales y FB₁ en forrajes henificados destinados al consumo equino.
Published 2017“…Para esto, se tomaron muestras en 6 centros ecuestres de la zona metropolitana de Monterrey, N.L., México. …”
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Ocurrencia de fumonisinas totales y FB₁ en forrajes henificados destinados al consumo equino.
Published 2017“…Para esto, se tomaron muestras en 6 centros ecuestres de la zona metropolitana de Monterrey, N.L., México. …”
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Artificial neural network modeling of phenol adsorption onto barley husks activated carbon in an airlift reactor
Published 2013“…Purpose and method of the study: The production of activated carbon from barley husks (BH) by chemical activation with zinc chloride was optimized by using a 23 factorial design with replicates at the central point, followed by a central composite design with two responses (the yield and iodine number) and three factors (the activation temperature, activation time, and impregnation ratio). …”
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Artificial neural network modeling of phenol adsorption onto barley husks activated carbon in an airlift reactor
Published 2013“…Purpose and method of the study: The production of activated carbon from barley husks (BH) by chemical activation with zinc chloride was optimized by using a 23 factorial design with replicates at the central point, followed by a central composite design with two responses (the yield and iodine number) and three factors (the activation temperature, activation time, and impregnation ratio). …”
Get full text
Tesis