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Evaluación de carbono en ecosistemas terrestres en Tizimín, Yucatán, México por García García, Dora Alicia

“…The sampling was carried out according to the cardinal points (N, S, E, W). The twigs were separated to place them in paper bags with a capacity of 3 kg, identify them with a code and they will be processed in the weight of each of them, 3 subsamples of each tree will be obtained the answers of the Carbon Laboratories, Technology Laboratory of the Wood and Laboratory of Chemistry of the Faculty of Forestry Sciences of the Autonomous University of Nuevo Leon, where the samples are at a temperature of 75 ° C in a digital drying oven brand Riossa model HCF-102-D for 72 hours . …”
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Fundamentos del método científico por Badii Zabeh, Mohammad Hosein, Pazhakh, A. R., Abreu Quintero, José Luis, Foroughbakhch, R

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Impacto ambiental de la Industria Maquiladora en Nogales, Sonora por Armenta-Bojórquez, Itzel Rubi, Ramírez-Quiñonez, Adilene Guadalupe

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Nuevos rumbos legislativos al final de la Guerra Fría: Alemania, República Checa y Rusia Novas direções legislativas no final da guerra fria: Alemanha, República Tcheca e Rúss... por Arango Morales, Xóchitl A.

“…The change of the political system was considered the starting point, which gave way to a market economy and a modern democracy. …”
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Proporción de resultados del FMS™ entre distintas disciplinas deportivas en atletas universitarios por González Fimbres, Roberto Andrés, Griego Amaya, Héctor, Porras Hoyos, Alba Antonieta

“…All participants performed the FMS™ and were scored using the previously established standardized FMS™ criteria. There are three possible scores criteria for the FMS™, above 14 points means low injury risk, 14 points or less means high injury risk, or the subject feels pain/injured during screening process. …”
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Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León por Ríos Saucedo, Julio César

“…Abstract The contamination of streams can be of point and non-piont or diffuse origin. In the area of Linares, land use changes, agricultural, and grazing practices leed to non point sources of contamination of streams. …”
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Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León por Ríos Saucedo, Julio César

“…Abstract The contamination of streams can be of point and non-piont or diffuse origin. In the area of Linares, land use changes, agricultural, and grazing practices leed to non point sources of contamination of streams. …”
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Poliarquía y ciudadanía en el estado de México por Escutia-Miranda, Ricardo, Torres-Ruiz, René

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Comparisons of the Root Mechanical Properties of three Native Mexican Tree Species for Soil Bioengineering Practices por Sánchez Castillo, Laura Margarita, Kubota, Tetsuya, Cantú Silva, Israel, Yáñez Díaz, María Inés, Hasnawir, Pequeño Ledezma, Miguel Angel

“…In other hand, results confirmed the negative relationship between diameter and tensile strength and diameter and modulus of elasticity. Pointing out that roots of bigger diameter have less tensile strength and elasticity. …”
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Lot production size problem and simulation of urban transport por Morales Marroquín, Miguel Lorenzo

“…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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Lot production size problem and simulation of urban transport por Morales Marroquín, Miguel Lorenzo

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

“…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. por Rodríguez Vázquez, Carlos Alfonso

“…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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Diferencias de género en las actitudes hacia las matemáticas = Gender differences in attitudes toward mathematics por De la Torre Gamboa, Martha Patricia, Ramírez Martínez, Martín

“…Abstract The results of previous research do not allow us to generalize the existence of gender differences in attitudes toward mathematics, however they coincide in the majority in pointing out that men have a greater extrinsic motivation, that they show greater confidence in their future achievements in the area of mathematics, less anxiety about mathematics and attribution of success to external causes. …”
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Sociedad y espectadores: investigando la televisión desde la ciencia social. El caso español por Merayo, Mar Chicharro

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Espacios públicos sustentables para la inclusión social y la seguridad pública: Su inserción en los planes de desarrollo, programas de desarrollo urbano y legislación aplicables en... por Castro Reyes, Gilda, Egea Jimenez, Carmen

“…Under this magnifying glass, it is discussed here national (Mexico) and State (Nuevo León) development plans as well as the corresponding programs of urban development and the federal legislation on the matter, pointing to unfilled themes and considering the desirability of establishing in the Mexican cities that require it the model: Crime Prevention Through Environmental Design (CPTED) which promotes natural surveillance, strengthening territorial, natural access control, the maintenance of public space, and community participation (“expert native”).…”
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La autocomposición como una ventaja de la medición familiar en la legislación ecuatoriana por Parra Vicuña, Raúl, Sánchez García, Arnulfo

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Reducción de tiempo muerto e implementación de documentación en líneas de procesos de producción de micro-alambre por Fernández Valadez, Vanesa Esmeralda, Martínez Martínez, Raquel, Luna Lázaro, Martín, Meléndez Guevara, Jesús Adolfo

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La docencia en el nivel superior desde la perspectiva del profesor universitario por Zaldivar Acosta, Marisa

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Prácticas ecológicas con tabiques por Becerra Rodríguez, María Blanca, Franco Baltazar, Ángel Adad, Hernández Hernández, Arturo, López Navarro, Isabel Ernestina

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