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artículo
The solution of Laplace's equation within a Classical Electrodynamics course is fundamental for the understanding of boundary problems in Electrostatics. In the present research work the analytical and numerical solution is obtained by the relaxation method, of a problem of infinite parallel plates, of the Laplace equation in Cartesian coordinates in an Euclidean space of two dimensions, specifically using the Python programming language, for its use in the teaching of Physics and its better phenomenological understanding. Likewise, the solutions obtained by both solution techniques are compared and discussed.
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artículo
In the present work we estimate the aerosols optical thickness (AOT) in the wavelength of 0.55µm using the mod021km - level 1B Calibrated Radiances - 1km images as input of the SBDART radiative transfer model [1]. The study area is Peru in the geographic latitudes 0 to 20°S and the geographic longitudes of 82 to 68°O. The SBDART model simulates the radiative transfer in the atmosphere (scattering, absorption, emission, etc.), estimating the irradiance in the top of the atmosphere and on the Earth surface. The two-stream and Eddington approximations are used to solve the radiative transfer equation, considering a parallel plane atmosphere. This model generate equations defining the AOT of 0.55µm as a function of the reflectance at the top of the atmosphere (TOA) for the band 1 at 0.66µm of the MODIS sensor.The 0.55 µm AOT estimated by the SBDART model was verify with the 0.55µm A...
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tesis de grado
Most of the problems concerning the fluids flow in conduits and tubes they imply the prediction of the conditions in a section of a system, when the conditions of some other section are known. In any section of this system, generally we are worried about the pressure of the fluid, the speed of the flow and the elevation of the section. In a line of pipe in series the loss of total energy is the sum of the great and small individual losses. This affirmation is in agreement with the principle of which the equation of the energy is a way to both take into account all the energy in the system between points. The nature parallel systems requires that the technique used for their analysis is different from which is used in series in the analysis of the systems. In general, a parallel system can have any number of branches. It stops most of the problems of this type, the objective is to determi...
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tesis de grado
Debido a los constantes deslizamientos que se producen en lugares cercanos a la zona de estudio, especialmente en épocas de invierno, nos llevó a realizar un estudio más detallado y minucioso acerca de la estabilidad de taludes en roca entre los kilómetros 95 al 97 de la carretera Ciudad de Dios - Cajamarca. Es por ello que la presente tesis se encargará de informar al gobierno central y a la población aledaña si realmente se puede producir un deslizamiento en el tramo mencionado. Para poder llegar a un veredicto final se dividió en siete estaciones geomecánicas a la zona, en donde se calculó la cohesión y ángulo de fricción interno de la roca mediante el criterio de rotura de Barton - Bandis, se analizó la cinemática de los taludes, a ello se sumó el cálculo de la densidad de las unidades litológicas aflorantes y finalmente los datos obtenidos se ingresaron a los softw...
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artículo
Academic self-efficacy is a powerful predictor of academic success, yet there are several factors that predispose it. Because of this, an explanatory model is proposed using the self-regulation of academic activities, positive affection, and personality. Hierarchical multiple linear regression was used to support the predictive proposal of the model. The Specific Perceived Self-Efficacy Scale of Academic Situations, The Scale of Positive and Negative Experience, Subscale Self-Regulation of Activities of the Academic Procrastination Scale, and Mini International Personality Item Pool (MINI-IPIP) were used. High correlations were obtained in the self-regulation of activities, positive affection, and personality (extraversion, concientousness and openness to experience) to academic self-efficacy. The final predictive model explained 30.1% of the total variance of academic self-efficacy. In ...
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El objetivo de este trabajo de investigación es dar a conocer que las matrices y los sistemas de ecuaciones lineales es un campo de estudio del Álgebra Lineal, curso que se imparte en la universidad a todos aquellos que estudian educación matemática, ciencias e ingeniería. Lo que originó el estudio de las matrices fue encontrar la solución a un sistema de ecuaciones lineales que, a su vez, dio como consecuencia al planteo en su forma matricial, esto motivó al estudio de las propiedades de las matrices. Mas adelante, Gauss y Jordán, dieron un salto en este estudio proponiendo una técnica de solución para estos sistemas lineales de m ecuaciones lineales con n incógnitas, la que dio lugar a tres tipos de situaciones: (1) que el sistema tenga solución única, (2) que el sistema tenga infinitas soluciones y (3) que el sistema no tenga solución. Por otro lado, de manera paralela,...
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tesis de maestría
Universidad Nacional Agraria La Molina. Escuela de Posgrado. Maestría en Ciencias Ambientales