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1
tesis de maestría
En el presente trabajo se estudió el cambio de propiedades generadas al incorporar nanotubos de carbono en la superficie del aluminio AA5052-H34. El objetivo de incorporar este nanomaterial es mejorar las propiedades superficiales del aluminio. Para este fin se utilizó una técnica denominada Friction Stir Processing, FSP, por sus siglas en inglés; mediante este proceso se adicionaron nanotubos de carbono en una ranura sobre la probeta a procesar, realizando un batido que deriva en una mezcla de las partículas con la matriz de aluminio; generando un nuevo compuesto con propiedades distintas al aluminio inicial. Previo al inicio del FSP se debió determinar la configuración de la herramienta a utilizar. También fue muy importante encontrar los parámetros de operación, tales como la velocidad de rotación (rpm) y la velocidad de avance (mm/min), así como la profundidad de la herra...
2
tesis de maestría
En el presente trabajo se estudió el cambio de propiedades generadas al incorporar nanotubos de carbono en la superficie del aluminio AA5052-H34. El objetivo de incorporar este nanomaterial es mejorar las propiedades superficiales del aluminio. Para este fin se utilizó una técnica denominada Friction Stir Processing, FSP, por sus siglas en inglés; mediante este proceso se adicionaron nanotubos de carbono en una ranura sobre la probeta a procesar, realizando un batido que deriva en una mezcla de las partículas con la matriz de aluminio; generando un nuevo compuesto con propiedades distintas al aluminio inicial. Previo al inicio del FSP se debió determinar la configuración de la herramienta a utilizar. También fue muy importante encontrar los parámetros de operación, tales como la velocidad de rotación (rpm) y la velocidad de avance (mm/min), así como la profundidad de la herra...
3
documento de trabajo
Propósito: el propósito de este documento es analizar cómo el uso de la bibliometría y la visualización de información puede proporcionar una "imagen de un vistazo" a partir de la cual los tomadores de decisiones pueden estructurar procesos, organizando así productos/resultados desde el inicio. Diseño/metodología/enfoque – Este estudio realizó una revisión de orientación bibliométrica sobre estudios sobre retención de estudiantes de educación superior; Se descargaron 1962 registros de Scopus y se agruparon en tres intervalos de cinco años: 2002–2006 (n 5 236), 2007–2011 (n 5 584) y 2012–2016 (n 5 1142). Se utilizaron medidas de centralidad y técnicas de minería de textos para analizar los datos. Hallazgos: se identificaron grupos de redes académicas mediante el análisis de cocitación. Además, los términos con alto valor semántico se clasificaron y agruparo...
4
artículo
Se reporta el desarrollo de un laboratorio Virtual basado en histograma para llevar a cabo experimentos sobre binarizacion de imágenes en niveles de gris. A fin de automatizar el proceso de binarizacion, se introduce un Umbral Heurístico de Binarizacion. Después de obtener el histograma de una imagen en niveles de gris el modulo calcula el umbral heurístico, extrayendo el promedio ponderado de los niveles de gris de primer plano de la imagen. A continuación se resaltan los niveles de gris en la imagen que están por encima del umbral heurístico. Aunque aún no experimentalmente óptimo, el umbral heurístico proporciona una primera aproximación hacia la binarizacion automática de imágenes en niveles de gris.
5
artículo
The objective of this research was to know if there were differences in the psychological processes of reading regarding the socio-economic level and gender of 965 students from 1st to 6 th grade of primary from private and public schools of Callao. For this purpose we adapted and created scales for the battery for Reading processes evaluation - revised (PROLEC-R) by. Cuetos, et al (2007). A comparative descriptive design was used. Significant differences according the socioeconomic level in all grades were found in reading comprehension and oral comprehension. It was also found differences in identification of letters and understanding of sentences (except in 6 th) and punctuation (except in second grade). There are no differ rences in the task of identifying “same–different” words and reading of words (except for 1st grade) and pseudowords (except in 1st and 3 rd) reading and gra...
6
artículo
The objective of this research was to know if there were differences in the psychological processes of reading regarding the socio-economic level and gender of 965 students from 1st to 6 th grade of primary from private and public schools of Callao. For this purpose we adapted and created scales for the battery for Reading processes evaluation - revised (PROLEC-R) by. Cuetos, et al (2007). A comparative descriptive design was used. Significant differences according the socioeconomic level in all grades were found in reading comprehension and oral comprehension. It was also found differences in identification of letters and understanding of sentences (except in 6 th) and punctuation (except in second grade). There are no differ rences in the task of identifying “same–different” words and reading of words (except for 1st grade) and pseudowords (except in 1st and 3 rd) reading and gra...
7
artículo
Within the framework of the Secondary School Accompaniment Program of the Social Space of Llefi à, Badalona (Barcelona, Spain), I carried out a photography workshop whose main objective was to allow young people to experiment with the photographic image and build personal visual narratives. This proyect proposes to understand the photographic experience as a process and not only as an aesthetic result. The article aims to account for the methodology used in the collaborative construction of a workshop and, this way, narrate the dynamics, encounters and links that can be generated from the photographic learning and the resulting images.
8
artículo
This article develops a robust platform for remote process management.JAVA language is used as a programming language at three levels of development: Control Servers, Web Server and Web Clients. The interaction with the control servers will be through the serial port and/or parallel port depending on the requirement. Thus we can interact with any specialized control device: A microcontroller, a PLC (Programmable Logic Controller), a DSP (Digital Signal Processor) or sophisticated sensors that send data through the aforementioned ports, theLocal network of Control servers ensure the reliability and proper functioning of our processes.The exit door to the Internet will be the "Web Servers", which serve clients; Such a client does not have direct access to the system, until it has verified its privileges. The information thatjourney through the Web is encrypted. Using a microcontroller we w...
9
artículo
This research had as objective develop, implement and validate lexicons (write to the dictation of words and sentences to assess mastery of the phonological path and write words to assess the visual route spelling), a program of stimulation of the psychological processes of the writing: syntactic process (ordering and complete words, placing punctuation) and planning of measured Scripture through the construction of a sequence of stories and the drafting of a descriptive and narrative text. The sample was comprised of 111 students in 2nd and 3rd grade primary school (56 of the control group and 55 of the experimental group) of two state educational institutions of Callao. It was observed an increase in all the tasks mentioned except in the drafting of texts and narratives due to time factors. From the result we recommend the dissemination of this programme with the aim of forming student...
10
artículo
The city of Tacna presents a historical cultural landscape, which comes from the war with Chile of 1879, leaving as a footprint the Crypt of the Heroes, high in the Intiorko Hill, in front of the city, in search of paying homage to the fallen In the Field of the Alliance, from 1901, with the accomplishment of different protocol ceremonies that counted on the participation of all the population tacneña fervent patriot, until the year of 1979. The present investigation aims to determine the influuence of the process of Informal occupation of the territory in the historical cultural landscape of the hill Intiorko, in the district of Alto de la Alianza, in the city of Tacna. The research focused its methodology, under a quantitative approach, basic type, non - experimental design, with a descriptive - explanatory hypothesis, applying the statistics. The questionnaire was applied as a measur...
11
artículo
The objective of this research was to meet the standard of performance of students from third to sixth grade of primary education in the constitutional province of Callao in the psychological processes of writing: lexical, syntactic and planning evaluated through testing that, within the framework of this investigation, we drew up, accept and apply in 804 students from third to sixth grade of four socio-economic levels (a-B); C, D and E) of the constitutional province of Callao. We find that the total sample noted difficulties in the performance of the write in all assessed processes, especially in the drafting of narrative texts and in the allocation of punctuation signs a given text. As regards the second objective of the research that was the find if there are differences in the tasks evaluated according to socioeconomic level are differences in processes lexicons all tasks less in th...
12
artículo
Peruvian retail market today, more than ever, has turned the phrase “everything goes through the eyes” into a competitive tool. The design and optimization of space, as well as visual merchandising, are techniques that impact the sale new concepts such as omnicanality and buying experience are fed by data analytics in order to describe the commercial mode; and new qualitative sources of information, among them color theory, specially help to understand and predict the impact of future decisions on the point of sale. This paper describes the utility of image processing techniques to innovate the retail market in the effort to extract useful information from advertising pieces frequently used in this sector.
13
artículo
Peruvian retail market today, more than ever, has turned the phrase “everything goes through the eyes” into a competitive tool. The design and optimization of space, as well as visual merchandising, are techniques that impact the sale new concepts such as omnicanality and buying experience are fed by data analytics in order to describe the commercial mode; and new qualitative sources of information, among them color theory, specially help to understand and predict the impact of future decisions on the point of sale. This paper describes the utility of image processing techniques to innovate the retail market in the effort to extract useful information from advertising pieces frequently used in this sector.
14
tesis de grado
El presente trabajo de tesis tiene como objetivo la implementación de un sistema de ventas y facturación para optimizar los procesos de compra y venta en la empresa GRAVILL S.A.C en el distrito de Comas. Esta es una pequeña y micro empresa (PYME), la cual cuenta con algunas áreas tales como: administración, finanzas, almacén, marketing y RR.HH, dicha empresa se encarga del proceso de compra y venta de productos de giro alimenticio, asimismo busca resolver sus necesidades y problemas de expansión de sus productos deseando incrementar sus ventas. Es así que la empresa GRAVILL S.A.C ha visto resolver el problema que afronta al no tener un sistema de control de ventas y facturación para mejorar dichos procesos. De igual manera, nosotros sabemos de la importancia que brinda un sistema de información, es por ello que la implementación de un sistema de control de ventas desarrollado ...
15
artículo
In Peru, work has been carried out in the area of ​​solid mining waste from the mineral flotation process since 2000, where the Ministry of Energy and Mines begins to carry out the inventory of mining environmental liabilities related to abandoned mining activities where it involves acidic waters, dumps, manholes and mining tailings, respectively; coming to the end to prepare the law 28271, law of regulation of the environmental liabilities of the mining activity, promulgated on July 2, 2004. In the Santa river basin the inventory of 153 mining environmental liabilities has been carried out, reaching the conclusion the urgency of conducting research studies to control the alarming contamination of the physical environment in this basin. At the end of the project, it establishes the preliminary technical parameters at the pilot level in relation to the granulometric and mineralogical ...
16
artículo
The increasing number of vehicles produces serious bottlenecks problems in urban areas; this situation generates questions about the variables control methods of interest in this problem. The study case presents an approach to the topic and is based on a hypothetical scenario (expressway), which it models and simulates with a microscopic approach, considering the individual movement of vehicles. It presents a methodology to perform the statistical analysis of the simulation results.
17
tesis de grado
En el presente trabajo se realiza un análisis crítico sobre el expediente N° 05986-2015-PA/TC, mediante la cual el señor G.A.J., presenta recurso de agravio constitucional contra la resolución de fecha 25/02/2015 expedida por la Sala Civil, Laboral y Familia de Vacaciones de la Corte Superior de Justicia de Lima Norte, por considerar que se ha vulnerado su derecho al debido proceso en el procedimiento administrativo sancionador iniciado en su contra por la Policía Nacional del Perú, además de señalar de manera paralela la vulneración de la comunicación previa y detallada de la notificación que dio inicio a dicho proceso administrativo y su derecho de defensa. Por consiguiente, nuestro tema de evaluación ha sido, por un lado, observar la presunta existencia de una violación al bien jurídico protegido y por otro lado, evaluar las diferentes vías idóneas aplicables para el ...
18
objeto de conferencia
The learning process in training children with visual impairments and low vision requires the use of new devices that integrate image recognition and feedback on stimulation sequences with the senses of tactile and auditory responses into their design. Eighteen students with visual impairments (blind or low vision) between the ages of eight and twelve, who attend a school specialized in teaching children with visual impairments, completed three numerical stimulation routines. The software developed evaluates skills of addition and subtraction, identification of geometric shapes, and mental calculations to achieve a goal. The results of the test showed that the students performed better in the game dynamic than in the addition and subtraction routines. This study is a contribution to designing software for low-cost devices as it has been verified that this type of application works on bot...
19
artículo
The main aim of this exploratory and pre-experimental study is to establish the variations in the distribution of visual attention of translators in training during a reading task with Specialized Extensive Nominal Phrases (hereinafter SNEE). To achieve this goal, a case study was conducted with four translators in training who had to read 10 contexts of a Human Genome corpus that contains SNEE of three and five tokens. Data collection was performed through the eye movement technique and a Likert scale-type questionnaire. The results of this study showed that the distribution of the visual attention of the translators in training presented variations according to the length of the SNEE. Longer  time and number of fixations were observed in the SNEE of five tokens in contrast to the SNEE of three tokens. Likewise, the length variable is a factor that affects visual attention during the p...
20
tesis de grado
En la actualidad existe preocupación por la presencia de estudiantes poco creativos que no logren expresar sus ideas mediante el dibujo, es un tema del momento que motiva para poder indagar y buscar alguna forma de mejorar esta realidad. El Sistema Educativo Nacional cuenta con el área de Arte y Cultura, pero sucede un que no han desarrollado la apreciación y expresión estética, porque teniendo un espacio el desarrollo de esta asignatura de estudio, aun los estudiantes dificultan en expresarse gráficamente, y persiste aquella idea conformista que. El trabajo de investigación intitulado, señala el resultado de muchas inquietudes y ganas de buscar respuestas del proceso de enseñanza aprendizaje en el área de Arte y Cultura. Por otro lado, agradecer el apoyo de la Institución, especialmente al Docente de aula de la Asignatura que ha hecho posible hacer realidad este trabajo de In...