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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 by Ortiz Lechuga, Eugenia Guadalupe, Rodríguez Zúñiga, Mauro, Arévalo Niño, Katiushka

“…We selected seven quality tests: pH determination, cloud, pour and flash point, acid number (AN), water/sediments and soap content considering the most commonly failed checkpoints in biodiesel production. …”
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Comportamiento bi-modal de una fundición gris y un acero estructural al carbono en corrosión atmosférica marina acelerada by Artigas, Alfredo, Seco, Rodrigo, Monsalve G., Alberto, Sipos, Konstantin, Garza Montes de Oca, Nelson Federico

“…The fact that the kinetic curve of corroded thickness shows an inflection point, allows the validation of the proposed methodology as a path to evaluate the atmospheric corrosion resistance in a short time test.…”
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Comportamiento bi-modal de una fundición gris y un acero estructural al carbono en corrosión atmosférica marina acelerada by Artigas, Alfredo, Seco, Rodrigo, Monsalve G., Alberto, Sipos, Konstantin, Garza Montes de Oca, Nelson Federico

“…The fact that the kinetic curve of corroded thickness shows an inflection point, allows the validation of the proposed methodology as a path to evaluate the atmospheric corrosion resistance in a short time test.…”
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Empowering and Disempowering Motivational Climates, Mediating Psychological Processes, and Future Intentions of Sport Participation by Castillo Jiménez, Nallely, López Walle, Jeanette M., Tomás Marco, Inés, Tristán Rodríguez, José Leandro, Duda, Joan L., Balaguer Solá, Isabel

“…Furthermore, needs thwarting was positively and significantly related to the intention to dropout of sports participation. Findings point to the importance of fostering empowering climates and preventing the creation of disempowering climates in the grassroots football.…”
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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.

“…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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La gestión bajo una cultura de calidad en México: una verificación empírica. by Rositas Martínez, Juan

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Internet addiction in university medical students by Capetillo Ventura, Nelly Cecilia, Juárez Treviño, Myrthala

“…Results: The mean raw score of respondents in the IAT test was 19.72 points. IA had a highly significant correlation with impulsivity (rs = 0.244, p < 001), neuroticism-anxiety (rs = 0.304, p < 001) and aggression-hostility (rs = 0.143, p = 0.001). …”
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Evaluación de las competencias genéricas en el modelo dual del instituto tecnológico de Lázaro Cárdenas by Román Bautista, Miguel Ángel, Barrios Vargas, Ofelia, Rubio Cuevas, Adán, Casas Cárdenaz, Rafael

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Emociones percibidas por los clientes en los encuentros de los servicios para garantizar la lealtad en una relación a largo plazo: Revisión teórica preliminar by Garza Sepúlvedat, Israel

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Instructional strategies to improve the academic writing performance of undergraduate EFL learners from a public university in Northeastern Mexico by López Martínez, Andrea

“…The group's score improved by 1.4 points, moving from slightly below adequate (2.95) to slightly above good. …”
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Prácticas ecológicas con tabiques by Becerra Rodríguez, María Blanca, Franco Baltazar, Ángel Adad, Hernández Hernández, Arturo, López Navarro, Isabel Ernestina

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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 by López, Lersy, Manjarrez, Ganiveth, Herrera, Lilibeth, Montes, Ana, Olascuaga, Yuranis, Ortega, Rolando

“…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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Emociones percibidas por los clientes en los encuentros de los servicios para garantizar la lealtad en una relación a largo plazo: Revisión teórica preliminar (Emotions perceived... by Garza, Israel

“…It is at this point where research has emphasis. Resumen: La lealtad sigue siendo uno de los principales temas y preocupaciones para los investigadores y practicantes. …”
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DISEÑO Y VALIDACIÓN DE UNA ESCALA DE APRENDIZAJE SOBRE SALUD COLECTIVA EN ENFERMERÍA by García Piña, Eunice Victoria

“…Results: An instrument of 40 items was obtained, which considers five dimensions of learning: genuine (8 to 40 points), meaningful, and reflective (7 to 35 points), experimental -multidimensional (9 to 45 points), self-employed (6 to 30points) and set (10 to 50 points), derivative in a total a score of 40 to 200 points. …”
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Electrochemical Noise Analysis of Nickel Based Superalloys in Acid Solutions by Gaona Tiburcio, Citlalli, Aguilar M, M.R, Zambrano Robledo, Patricia del Carmen, Estupiñan López, Francisco Humberto, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Castillo González, E., Almeraya Calderón, Facundo

“…In this paper we study the corrosion behavior of nickel-based superalloys (Inconel 690, Inconel 718, Incoloy 800, Incoloy 825), compared with commercial steels (carbon Steel 1018 and stainless steel 304), in acid (10% H2SO4 and 10 % CH3COOH) and H2O at room temperature, by electrochemical noise technique, with sampling 1024 points per second. Statistical analysis of electrochemical noise technique yielded LI localization index, the type of corrosion and the noise resistance as well as the corrosion rate. …”
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Pintura y realismo, el juego de la representación = Painting and realism, the game of representation by Morales Orona, Héctor Manuel

“…ENGLISH: This article tries to come closer the topic of the realism from a point of view that concerns the painting using for it of concepts extracted from some philosophers’ texts that indicated the limits in which the art and the philosophy join. …”
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Caracterización de recubrimientos depositados por PVD para sensores de temperatura de frenos de una aeronave. by Montoya Rangel, Marvin

“…The samples exposed in saline did not show oxidation points. For the anodic curves, both for the substrate and the coatings showed a tendency to pseudopassivation in the different solutions. …”
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Artificial neural network modeling of phenol adsorption onto barley husks activated carbon in an airlift reactor by Loredo Cancino, Margarita

“…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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Caracterización de recubrimientos depositados por PVD para sensores de temperatura de frenos de una aeronave. by Montoya Rangel, Marvin

“…The samples exposed in saline did not show oxidation points. For the anodic curves, both for the substrate and the coatings showed a tendency to pseudopassivation in the different solutions. …”
Get full text

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

“…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