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1
artículo
Publicado 2025
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The objective is to provide a theoretical-methodological model that analyzes the issues and interventions of the public, social, and private sectors in the design of public policies to promote sustainable tourism and environmental conservation in the Santuario del Agua Valle de Bravo State Park, located in the State of Mexico. Methodologically, the model was developed using both theoretical and empirical elements; the former refers to sustainable tourism as the main category, with sustainability, environmental conservation, and public policies as subcategories. The empirical elements included observation and interviews with key stakeholders involved in tourism and environmental conservation within the park. The model linked these subcategories to structural and positional dimensions, which facilitated engagement with the actors. The comprehensive analysis drew on the assumptions of the P...
2
artículo
Publicado 2025
Enlace
Enlace
The objective is to provide a theoretical-methodological model that analyzes the issues and interventions of the public, social, and private sectors in the design of public policies to promote sustainable tourism and environmental conservation in the Santuario del Agua Valle de Bravo State Park, located in the State of Mexico. Methodologically, the model was developed using both theoretical and empirical elements; the former refers to sustainable tourism as the main category, with sustainability, environmental conservation, and public policies as subcategories. The empirical elements included observation and interviews with key stakeholders involved in tourism and environmental conservation within the park. The model linked these subcategories to structural and positional dimensions, which facilitated engagement with the actors. The comprehensive analysis drew on the assumptions of the P...
3
artículo
Desde hace más de cien años, los arqueólogos han atribuido los impresionantes asentamientos monumentales de los bosques montanos de Chachapoyas a intrusiones poblacionales desde regiones vecinas durante épocas prehispánicas tardías, o a la colonización de parte de estados o imperios de la sierra. La longevidad y la tenacidad de estas explicaciones basadas en procesos de migración es extraordinaria, dado el colapso de la popularidad de modelos de la verticalidad y de la presión poblacional que todavía se emplean para sostenerlas. Datos arqueológicos procedentes de Gran Pajatén y de otros sitios del Parque Nacional Río Abiseo, en la parte sur de Chachapoyas, respaldan una interpretación contraria, atestiguando al desarrollo autóctono de sociedades autónomas. Para demostrar los defectos de las hipótesis de migración y la colonización, hemos realizado un reconocimie...
4
artículo
Publicado 2012
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Empirical model of the cooling liquid steel spoon 15TM: an industrial perspective It seeks to develop a mathematical model that predicts the decay of the temperature of the liquid steel spoon 15 TM. The shots were made in temperature castings production, measuring the temperature after excoriated and before emptying the holding furnace, the time was also recorded between the two jacks temperature. Then the data obtained was analyzed to obtain the parameters of the particular model (K and T0). The derivation of the model was obtained from an Ordinary Differential Equation (ODE) homogeneous. Prognostic value of the model obtained with new values measured temperature was compared. To make the prognosis of two different values of temperature T0, one with a constant value of T0, as shown in the model found, and another with T0, a variable that was numerically equal to the temperat...
5
artículo
Publicado 2012
Enlace
Enlace
Empirical model of the cooling liquid steel spoon 15TM: an industrial perspective It seeks to develop a mathematical model that predicts the decay of the temperature of the liquid steel spoon 15 TM. The shots were made in temperature castings production, measuring the temperature after excoriated and before emptying the holding furnace, the time was also recorded between the two jacks temperature. Then the data obtained was analyzed to obtain the parameters of the particular model (K and T0). The derivation of the model was obtained from an Ordinary Differential Equation (ODE) homogeneous. Prognostic value of the model obtained with new values measured temperature was compared. To make the prognosis of two different values of temperature T0, one with a constant value of T0, as shown in the model found, and another with T0, a variable that was numerically equal to the temperat...
