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1
artículo
Publicado 2014
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The communication between organizations and their stakeholders has evolved as the waves of competitive challenges that have marked technological innovations (Kanter, 2006). Since 2006 it has become necessary not only to increase interaction particularly via social media, but also to incorporate aspects of organizational responsibility and its foundations in values (Kotler, Kartajava, & Setiawan, 2011) which directly influence in building its image (Capriotti, 2009) and reputation (Villafañe, 2004). This article analyzes the image and reputation of some private organizations in Mexico through the study of the activity they have in this social media. The results of this research suggest some conclusions regarding the importance of strategy in the use of Twitter as a basis for building the reputation of the organizations which must recognize the communication as a two-way process that ...
2
artículo
Publicado 2022
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The fi nding of imagoes of the Megaselia sp. (Rondani, 1856) (Diptera: Phoridae) is described, which presented luminescence in their abdomen with small fl ashes of light (intermittent) in the same specimen, with yellow, green and red colors. Firefl ies are, of the arthropods, the closest to this type of manifestations, where the luciferin-substrate reacts with the enzyme luciferase to produce fl ashes of light (bioluminescence), however, it will be necessary to deepen if they were isolated cases? Is this case a biochemical reaction? If it is a new species with light properties? If they were substances from their diet that shine by themselves? or other new mechanisms or processes, not yet described. However, the emission of light in the abdomen of these three adults is an adaptation or evolution that will allow it to stand out for possible functions of attraction, reproduction, demonstrat...
3
tesis de maestría
Publicado 2018
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Con el desarrollo de métodos de computación gráfica y tecnologías que permiten captar imágenes volumétricas, se abrió´ paso a un desarrollo importante de métodos para generar modelos geométricos, entre ellos, se encuentra el método Imesh, el cual es un algoritmo que construye mallas simpliciales a partir de imágenes no pre procesadas, en 2 y 3 dimensiones. Imesh está´ dividido en 3 etapas: Construcción (ImeshCm), de una malla de Delaunay a partir de una imagen de entrada; Particionamiento (ImeshPm), de la malla en un número definido de submallas, usando su información geométrica y topológica; y Mejoramiento (ImeshMm), de los elementos que componen las submallas generadas introduciendo criterios de calidad de mallas Delaunay. Este trabajo estudia y reformula las etapas de Construcción (ImeshCm) y Mejoramiento (ImeshMm) del método Imesh, y utiliza este análisis para p...
4
tesis de maestría
Publicado 2018
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Con el desarrollo de métodos de computación gráfica y tecnologías que permiten captar imágenes volumétricas, se abrió´ paso a un desarrollo importante de métodos para generar modelos geométricos, entre ellos, se encuentra el método Imesh, el cual es un algoritmo que construye mallas simpliciales a partir de imágenes no pre procesadas, en 2 y 3 dimensiones. Imesh está´ dividido en 3 etapas: Construcción (ImeshCm), de una malla de Delaunay a partir de una imagen de entrada; Particionamiento (ImeshPm), de la malla en un número definido de submallas, usando su información geométrica y topológica; y Mejoramiento (ImeshMm), de los elementos que componen las submallas generadas introduciendo criterios de calidad de mallas Delaunay. Este trabajo estudia y reformula las etapas de Construcción (ImeshCm) y Mejoramiento (ImeshMm) del método Imesh, y utiliza este análisis para p...
5
6
tesis de grado
Publicado 2013
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This thesis is a study of the notion of "facial attractiveness" in the machine_x000D_ learning with the SVM context. To this end, we have used statistical evaluations_x000D_ made to a group of people who rated front face photographs of women qualifying_x000D_ each on a rating scale according to its appeal. The machine learning technique_x000D_ used is Support Vector Machine (SVM). Then the images were trained in SVM on_x000D_ its respective degree of beauty. By using Chi-square test, we compare the_x000D_ distribution of scores of human evaluators with SVM results show that there is no_x000D_ significant difference between the two groups. The results clearly show that facial_x000D_ beauty is a universal concept, which can be learned by a machine. Analyzing the_x000D_ accuracy of the machine in terms of beauty prediction as a function of the training_x000D_ data size indicates that a mach...
7
objeto de conferencia
Publicado 2024
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Images are beginning to proliferate through visual devices within society, since they are transmitted daily in people’s daily lives. Young schoolchildren are no exception, since a large number have the facility to reproduce, produce and consume the visual content that is transmitted through these media. However, this interaction could influence the construction of identity and the perception of the real world of the youngest, because these visual representations are accompanied by stereotypes, ideologies, gender roles, among others. Faced with this context, the school must pay attention to this current event. In this sense, the visual arts, which studies the analysis of artistic images, could focus on the critical analysis of the images currently transmitted by the visual media in order to broaden their perspective towards this event. Finally, this research aims to describe the contrib...
8
tesis de grado
Publicado 2017
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El presente proyecto de tesis es de suma importancia porque nos permitió determinar el grado de confiabilidad que se realizó para el mantenimiento en todos los equipos de cómputo en la Región Ica, es una metodología que nos va a permitir poder identificar las políticas de mantenimiento óptimas para garantizar el cumplimiento de los estándares requeridos. En tal sentido sabemos que el proyecto se justifica y que se basa en que al aplicarse se contribuiría a reducir el número de fallas producidas en los equipos informáticos, los costos, el tiempo mediante un mantenimiento ligado a la estrategia RCM, en la Región Ica Finalmente del proyecto se determina que el mantenimiento es necesario dado que los equipos informáticos pueden pasar a deteriorarse muy rápidamente. Como consecuencia de este deterioro se puede producir una pérdida de disponibilidad, y en algunos casos, también...
9
tesis de maestría
Publicado 2019
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En el diagnóstico de la enfermedad de Alzheimer con tomografía por emisión de positrones (PET), la principal problemática radica en el uso de radioisótopos tradicionales (18F, 11C) los cuales limitan el correcto desempeño de los agentes de imagen PET sobre las placas Aβ-amiloides. El [11C]-PIB, el [18F]-florbetapir y el [18F]-florbetaben representan algunos ejemplos de lo mencionado. Actualmente, los complejos quelatos de radioisótopos de metales de transición prometen ser una tentadora y potencial solución para tal problemática. De este grupo destacan los quelatos radiomarcados con 64Cu y compatibles con las placas Aβ. Sin embargo, la gran mayoría de estos casos todavía no son del todo exitosos. Por esta razón, y en base a las nuevas necesidades, se propone un nuevo complejo de cobre(II) basado en un ligando con grupos afines a las placas Aβ-amiloides cuya formación inv...
10
tesis de maestría
Publicado 2019
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En el diagnóstico de la enfermedad de Alzheimer con tomografía por emisión de positrones (PET), la principal problemática radica en el uso de radioisótopos tradicionales (18F, 11C) los cuales limitan el correcto desempeño de los agentes de imagen PET sobre las placas Aβ-amiloides. El [11C]-PIB, el [18F]-florbetapir y el [18F]-florbetaben representan algunos ejemplos de lo mencionado. Actualmente, los complejos quelatos de radioisótopos de metales de transición prometen ser una tentadora y potencial solución para tal problemática. De este grupo destacan los quelatos radiomarcados con 64Cu y compatibles con las placas Aβ. Sin embargo, la gran mayoría de estos casos todavía no son del todo exitosos. Por esta razón, y en base a las nuevas necesidades, se propone un nuevo complejo de cobre(II) basado en un ligando con grupos afines a las placas Aβ-amiloides cuya formación inv...
11
artículo
Publicado 2023
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This project questions the dialogue between photography and poetry. The image summons a poem and this, in turn, summons another image within the framework of an unfolding of questions about the conditions in which we inhabit the world. The sequence dialogues with that which concerns oneself and with that which opens and closes life in dynamics of pleasure and suffering. The idea is that both registers overdetermine each other to correspond, to produce a friction, to mark the opacity of an experience, to open lines of meaning, to point to that which has no word or to try to border on something unnamable. What is the dialogic behind the monologue of artistic production? The project emerges as an aesthetic exploration of two people who have tried to re-articulate different discourses and who have sought another way of conversing.
12
artículo
Publicado 2019
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The article deals with the ways of using visual technologies, photography and video, to promote the city of Ayacucho as a tourist destination, an identity builder, reminiscent of memory and a sense of belonging to the city. Pay attention to the use, made for this purpose, of architecture as an image technology through which it seeks to produce temporary simulations and sentiment structures related to the colonial period. Argues that the identification and use of colonial aesthetics or not in the buildings of Ayacucho serves to establish social classifications, distinctions and exclusions among those who identify themselves as «huamanguinos» and «new huamanguinos». The article is divided into two parts. The first deals with the videos that promote Ayacucho as a tourist destination and the second with the use of photographs in exhibitions and soc...
13
artículo
Publicado 2019
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El artículo aborda las formas de utilización de las tecnologías visuales, la fotografía y el video, para promover la ciudad de Ayacucho como destino turístico, como constructor de identidad, evocador de memoria y sentido de pertenencia a la ciudad. Presta atención al uso que para ello se hace de la arquitectura como tecnología de la imagen, a través de la cual se busca producir simulacros temporales y estructuras de sentimiento relativas al período colonial.Argumenta que la identificación y el uso de la estética colonial o no en las edificaciones de Ayacucho sirve para para establecer clasificaciones sociales, distinciones y exclusiones entre quienes se consideran «huamanguinos» y los «nuevos huamanguinos». El artículo está dividido en dos partes. En la primera aborda los videos que promueven Ayacucho como destino turístico, y en la segunda, el uso de las fotografías e...
14
artículo
Publicado 2018
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VV (Vaccinia virus) is one of the most complex viruses, with a size greater than 300 nm and more than 100 structural proteins. Its assembly involves sequential interactions and important rearrangements of its structural components. The BSC40 cells were infected and then selected by light fluorescence microscopy and subsequently imaged under the X-ray microscope under cryogenic conditions. Tomographic tilt series of X-ray images were used to produce three-dimensional reconstructions showing different cellular organelles (nuclei, mitochondria, RE), together with two other types of viral particles related to different stages of immature vaccinia (IV) maturation and (MV) mature particles; tests with witaferin showed links with actin, which prevents polymerization and elongation of the filaments; causing poorly packaged or aberrant virions, which inhibits the progression of the viral infectio...
15
artículo
Publicado 2018
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VV (Vaccinia virus) is one of the most complex viruses, with a size greater than 300 nm and more than 100 structural proteins. Its assembly involves sequential interactions and important rearrangements of its structural components. The BSC40 cells were infected and then selected by light fluorescence microscopy and subsequently imaged under the X-ray microscope under cryogenic conditions. Tomographic tilt series of X-ray images were used to produce three-dimensional reconstructions showing different cellular organelles (nuclei, mitochondria, RE), together with two other types of viral particles related to different stages of immature vaccinia (IV) maturation and (MV) mature particles; tests with witaferin showed links with actin, which prevents polymerization and elongation of the filaments; causing poorly packaged or aberrant virions, which inhibits the progression of the viral infectio...
16
artículo
Publicado 2018
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VV (Vaccinia virus) is one of the most complex viruses, with a size greater than 300 nm and more than 100 structural proteins. Its assembly involves sequential interactions and important rearrangements of its structural components. The BSC40 cells were infected and then selected by light fluorescence microscopy and subsequently imaged under the X-ray microscope under cryogenic conditions. Tomographic tilt series of X-ray images were used to produce three-dimensional reconstructions showing different cellular organelles (nuclei, mitochondria, RE), together with two other types of viral particles related to different stages of immature vaccinia (IV) maturation and (MV) mature particles; tests with witaferin showed links with actin, which prevents polymerization and elongation of the filaments; causing poorly packaged or aberrant virions, which inhibits the progression of the viral infectio...
17
artículo
Publicado 2018
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VV (Vaccinia virus) is one of the most complex viruses, with a size greater than 300 nm and more than 100 structural proteins. Its assembly involves sequential interactions and important rearrangements of its structural components. The BSC40 cells were infected and then selected by light fluorescence microscopy and subsequently imaged under the X-ray microscope under cryogenic conditions. Tomographic tilt series of X-ray images were used to produce three-dimensional reconstructions showing different cellular organelles (nuclei, mitochondria, RE), together with two other types of viral particles related to different stages of immature vaccinia (IV) maturation and (MV) mature particles; tests with witaferin showed links with actin, which prevents polymerization and elongation of the filaments; causing poorly packaged or aberrant virions, which inhibits the progression of the viral infectio...
18
artículo
Publicado 2023
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This article deals with the representation of urban space in television fiction through an approach that, starting from the works around the moving image and its modes of production, incorporates contributions from critical studies on cities. Through a content analysis that involves 10 successful series, the text distinguishes three modulations: one where the city and its meaning are built by appealing to the previous cultural conditions of the place—from historical events and difficult legacies to issues settled by picturesqueness, tourism or popular tradition—; another where the elements and characteristics of the location are exploited, conveniently amplifying, attenuating or retouching its different edges in favor of the story; and a third that appeals directly to the viewer and his background to bring ideas or external realities closer to the work itself and produce a dialogue b...
19
artículo
Publicado 2016
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Los pueblos americanos tuvieron que adoptar la escritura conforme el valor y laorientación propia de la cultura letrada europea en el Viejo Mundo de los iniciosde la modernidad. En esa época la literatura histórica todavía estaba infiltradapor tradiciones legendarias medievales y los movimientos humanista yrenacentista, con la admiración que prodigaban al mundo clásico, pusieron sobrela mesa de los historiadores y cronistas modernos imágenes y mitos antiguosque ellos utilizaron tanto para adornar sus escritos como para explicar y darcuenta de porciones del pasado americano sobre todo, cuando debían hacer lacompulsa de la tradición oral manejada por los hombres americanos. Tradiciónoral americana y europea alimentaron el conocimiento y la escritura acerca delpasado que se empezó a producir entonces en nuestro subcontinente aunque,en mayor proporción, esos relatos se referían ...
20
artículo
This article deals with the representation of urban space in television fiction through an approach that, starting from the works around the moving image and its modes of production, incorporates contributions from critical studies on cities. Through a content analysis that involves 10 successful series, the text distinguishes three modulations: one where the city and its meaning are built by appealing to the previous cultural conditions of the place from historical events and difficult legacies to issues settled by picturesqueness, tourism or popular tradition; another where the elements and characteristics of the location are exploited, conveniently amplifying, attenuating or retouching its different edges in favor of the story; and a third that appeals directly to the viewer and his background to bring ideas or external realities closer to the work itself and produce a dialogue betwee...
