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    Artificial neural network modeling of phenol adsorption onto barley husks activated carbon in an airlift reactor by Margarita Loredo-Cancino

    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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    info:eu-repo/semantics/doctoralThesis
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    La gestión bajo una cultura de calidad en México: una verificación empírica. (Quality management in Mexico: an empirical approach) by Rositas, J.

    Published 2004
    “…Al concluir, el autor sugiere estrategias adicionales para refinar futuros análisis de datos. This article points out what can be considered as “Management under a Quality Culture”, Total Quality Management [TQM] or simply Quality Management [QM], citing two contrasted points of view from international practitioners and researchers. …”
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    Article
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    Contribution to Protein/Energy Requirement and Metabolic Aspects for Two Carnivorous Species Lates Calcarifer, Epinephelus Morio Juveniles with Reference to Trout by Cuzon, G., Guttierez, D., Da Silva, A., Castillo, A., de los Santos, N., Chiappa, X., Gaxiola, G.

    Published 2011
    “…Relative requirement was assess however the absolute requirement in terms of g protein per 100g biomass per day was 1.5g protein for 50kJ DE to reach a specific growth rate of 2.4%more useful from a practical point of view. In final all those values need each time to be reported to a well studied species such as salmonids RT (20g av. weight).…”
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    Article
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    A psychological approach in the usage of interests to motivate children to the learning of EFL in a public school of Nuevo León, Mexico by Trejo Robles, Cathy Elizabeth

    Published 2019
    “…In a scale from 0 to 20 points, it can be observed quantitatively that S1 incremented his participation from 8 in the first class to 15 in the third class, and S2 also incremented his participation from 12 in the first class to 17 in the third class.…”
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    Otro
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    Efficient removal of lead(II) ions in water using functionalized poly(styrene) oligomers by Sánchez Anguiano , Maria G., Oliva de Dios, Mauricio L., Chan Navarro, Rodrigo, Elizondo Martínez, Perla, Rosa M., García López , María Concepción

    Published 2023
    “…Adsorption process of Pb(II) was optimized using the 2*' fractional factorial design with replicates at the central point supplemented with the central composite design where the percentage adsorption was chosen as the response variable. …”
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    Article
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    A Study of the Corrosion Behavior of AHSS Complex-Phase CP 780 Employing an Electrochemical Noise Technique Analyzed by Different Methods by Lara Banda, María del Refugio, Almeraya Calderón, Facundo, Jáquez Muñoz, Jesús Manuel, Nieves Mendoza, Demetrio, Baltazar Zamora, Miguel Ángel, Olguín Coca, Javier, Estupiñan López, Francisco Humberto, Cabral Miramontes, José Ángel, Santiago Hurtado, Griselda, Gaona Tiburcio, Citlalli

    Published 2025
    “…AHSSs are coated by conversion methods such as phosphate to increase epoxy coating adherence and corrosion resistance. The main point of this research is to characterize an AHSS complex-phase (CP) 780 in blank, with a phosphate coating and an E-coat organic coating using electrochemical noise, employing time-domain, frequency-domain, time–frequency-domain, and chaotic system methods to determine the type and corrosion kinetics of each system. …”
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    Article
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    Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards. by Rodríguez Vázquez, Carlos Alfonso

    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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    Tesis
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    Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards. by Rodríguez Vázquez, Carlos Alfonso

    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. …”
    Get full text
    Tesis
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    Lot production size problem and simulation of urban transport by Morales Marroquín, Miguel Lorenzo

    Published 2015
    “…Molds must be mounted on machines with their corresponding installation setup times. The key point of our methodology is to solve the single period lot-sizing decisions for the finished products together with the piece-mold and the mold-machine assignments, relaxing the constraint that a single mold may not be used in two machines at the same time. …”
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    Tesis
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    Lot production size problem and simulation of urban transport by Morales Marroquín, Miguel Lorenzo

    Published 2015
    “…Molds must be mounted on machines with their corresponding installation setup times. The key point of our methodology is to solve the single period lot-sizing decisions for the finished products together with the piece-mold and the mold-machine assignments, relaxing the constraint that a single mold may not be used in two machines at the same time. …”
    Get full text
    Tesis
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    Raw Ingredients for Marine Aquaculture Fish by G., Cuzon, G., Gaxiola, Garcia, T., Sanchez, A.

    Published 2019
    “…Outlines of thepaper were set to sum up 5 years research on sea bass culture (Aquacop, 1989-94) and drawa comparative approach (sea bass, snook, red drum) from an ADC point of view,optimum P/E at different stage of development : larvae, weaning, fingerlings at nursery,juveniles and grow-out making emphasis on animal vs plant protein : soybean meal withnutritional aspects and appetibility, fishmeal and fish oil criteria to end up with breedersrequirement and feeding.…”
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    Article
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    Design and manufacturing of a propeller for axial-flow fan by Almazo, D., Toledo, M., Rodríguez, C.

    Published 2012
    “…The design process begins by using algorithms in Matlab which output data contain the coordinates of the points that define the blade airfoils, in this case the NACA 6512 airfoil was used. …”
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    Article
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