Results 1 to 10 of about 9,323 (118)

Metodología FMECA para un aerogenerador doblemente alimentado

open access: yesIngeniería, 2021
Debido a la complejidad de los sistemas eólicos, la necesidad de contar con aerogeneradores fiables es de suma importancia, por ello se han desarrollado metodologías para mejorar sus características y desempeño.
Andrey Alberto Solano   +5 more
doaj   +1 more source

Water hammer analysis in a water distribution system

open access: yesIngeniería del Agua, 2017
The solution to water hammer in a water distribution system (WDS) is shown by applying three hybrid methods (HM) based on the Box’s scheme, McCormack's method and Diffusive Scheme.
John Twyman
doaj   +1 more source

Implicit analysis of the transient water flow with dissolved air

open access: yesIngeniería del Agua, 2018
The implicit finite-difference method (IFDM) for solving a system that transports water with dissolved air using a fixed (or variable) rectangular space-time mesh defined by the specified time step method is applied. The air content in the fluid modifies
J. Twyman
doaj   +1 more source

Development of the merdiban method in the Ilkhanate state (1251 - 1353 a.d.) and it's transition to the Ottoman state accountancy

open access: yesDe Computis, 2011
El estudio tiene como objetivo observar las novedades y mejoras del método Merdiban lo largo del tiempo que se benefician de los registros contables del Estado Iljanato y el Estado Otomano.
Batuhan Güvemli
doaj   +1 more source

Golpe de ariete en una red de tuberías debido al cierre rápido de una válvula

open access: yesRevista Ingeniería de Construcción, 2018
El golpe de ariete en las redes de tuberías es un tema poco discutido en la literatura técnica. Esto puede deberse a la creencia de que la forma de la red ayuda a reducir su impacto, ya que las ondas de presión tienden a subdividirse a medida que se ...
J. Twyman
doaj   +1 more source

Contribución al análisis epistemológico del método histórico lógico en la investigación educativa

open access: yesTransformación, 2022
Objetivo: El artículo tiene como propósito ofrecer algunas reflexiones teóricas sobre el método histórico lógico y su aplicación, con énfasis en el criterio de periodización y la determinación de características, regularidades y tendencias, como ...
Maikel José Ortiz Bosch Ortiz Bosch   +2 more
doaj   +2 more sources

MÉTODO BASADO EN PROGRAMACIÓN GENÉTICA PARA LA SOLUCIÓN SIMBÓLICA DE ECUACIONES DIFERENCIALES

open access: yesRevista de Investigaciones Universidad del Quindío, 2017
En este trabajo se realizó un estudio sobre el uso de un método basado en Programación Genética para resolver ecuaciones diferenciales. En este estudio se describen las principales características del método exponiendo los fundamentos que soportan el ...
Angélica María Ramírez Botero   +2 more
doaj   +1 more source

Características de las mujeres usuarias del método anticonceptivo de esterilización femenina

open access: yesRevista Cubana de Medicina Militar, 2023
Introducción: La esterilización femenina es un método anticonceptivo permanente, cuya elección representa una decisión transcendental en la vida de la mujer; influenciada por el contexto y las cualidades personales.
Gloria Katty Muñoz-Estrada   +4 more
doaj  

Metodología de optimización de la calidad de productos

open access: yesIndustrial Data, 2015
En este estudio se ha desarrollado un método para optimizar los parámetros de calidad de productos que consta de cinco pasos: 1) Determinar las características de calidad del producto y las variables del proceso 2) Desarrollar un diseño experimental con ...
Juan Manuel Cevallos Ampuero   +1 more
doaj   +1 more source

Señas de identidad del “nativo digital”. Una aproximación teórica para conocer las claves de su unicidad.

open access: yesCuadernos de Documentación Multimedia, 2012
A partir del análisis de las diferentes teorías existentes en torno al término “nativo digital” que han surgido en la última década, se ha esgrimido una taxonomía que explica y define las características que implica dicha expresión.
Francisco García García   +4 more
doaj   +1 more source

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