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1
artículo
El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.
2
artículo
Publicado 2023
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Talides basistrigata Eaton, 1932, originally described from Peru, was subsequently transferred to the genus Hylephila Billberg, 1820 by Evans (1955) and considered a subspecies of H. phyleus (Drury, 1773), arguing that basistrigata inhabits drier environments than phyleus. Currently, the taxonomic status proposed by Evans is retained. The aim of this study is to reinstate the taxonomic status of valid species for basistrigata based on an integrative analysis considering morphological, ecological, and genetic aspects. Genitalic structures were examined in specimens of both basistrigata and phyleus, mitochondrial COI gene sequences were obtained for both species, and field data were collected to understand their oviposition behaviour in the vicinity of Arequipa city, southwestern Peru. As a result of the morphological examination, notable differences were found between the male genitalia s...
3
artículo
From the fields of gender studies and anthropology, this interdisciplinary study analyzes the racist experiences lived by immigrant Latin American women in Spain, which influence the adherence of the subjects to cultural assimilation techniques. Assimilation is an acculturation strategy where individuals reject the culture of origin in an attempt to fully incorporate themselves into the culture of the host society. Rejecting the Latin American culture through practices and discourses is a way of protecting oneself against the systematic racism experienced in the European territory, as well as a way of getting closer to the white privilege of natives. The methodology used has been qualitative through an intersectional analysis with a gender perspective of semi-structured individual interviews carried out with ten Latin American women ...
4
artículo
Publicado 2008
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The effect of two semen extenders: Glucose Tris and Ovine Freezing Buffer (UA 466/ 005238) on the motility and cytoplasmic membrane integrity of spermatozoa during the freezing process was evaluated. Five rams (2 Assaf, 2 Cinnamon and 1 Black Belly) were used. The fresh semen was of good quality and values of seminal characteristics were within the normal range for this species. The Progressive Individual Motility of the refrigerated semen was 86.0 ± 2.48 and 88.5 ± 4.8% and for frozen semen was 60.8 ± 1.9 and 62.9 ± 2.4% for Tris and Ovine Freezing, respectively; while the proportion of spermatozoa with intact membranes, evaluated by HOST (Hipo Osmotic Swelling Test), was 77.9 ± 4.8 and 78.9 ± 4.0% for refrigerated semen and 39.9 ± 3.6 and 43.2 ± 2.9% for frozen semen using the Tris and Ovine Freezing dilutors, respectively. There were highly significant differences between dilu...
5
artículo
Publicado 2022
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From the fields of gender studies and anthropology, this interdisciplinary study analyzes the racist experiences lived by immigrant Latin American women in Spain, which influence the adherence of the subjects to cultural assimilation techniques. Assimilation is an acculturation strategy where individuals reject the culture of origin in an attempt to fully incorporate themselves into the culture of the host society. Rejecting the Latin American culture through practices and discourses is a way of protecting oneself against the systematic racism experienced in the European territory, as well as a way of getting closer to the white privilege of natives. The methodology used has been qualitative through an intersectional analysis with a gender perspective of semi-structured individual interviews carried out with ten Latin American women immigrants in Spain. In conclusion, on one hand, it is ...
6
artículo
Publicado 1997
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This article addresses the significance of the recent global trend toward liberalization of foreign direct investment (FDI), showing the importance of Latin America in the process and analyzing the regulation of FDI in three countries (Brazil, Chile, and Peru) and one integration movement (the Andean Group) of the region. The evolution of these four FDI regimes, from the 1970s to 1996, reflects the great changes in economic policy that have taken place in Latin America. After presenting some theoretical background concerning levels of FDI regulation in the world economy, the main aspects of the national regulation of FDI, and traditional conflict issues between multinational enterprises and host governments, the author proceeds to outline, on the one hand, the rise and fall of economic nationalism in Latin America (between 1970 and the mid-1980s), and, on the other, the central tenets...
7
artículo
Publicado 2008
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Se analizó el efecto de los dilutores Tris-glucosa y Ovine Freezing Buffer (UA 466/ 005238) sobre la motilidad e integridad de la membrana citoplasmática de los espermatozoides durante el proceso de congelación de semen ovino. Se utilizó el semen de cinco carneros (2 Assaf, 2 Canela y 1 Black Belly). El semen fresco fue de buena calidad y los valores de las características seminales estuvieron dentro de los parámetros de la especie. La motilidad individual progresiva (MIP) del semen refrigerado fue 86.0 ± 2.48 y 88.5 ± 4.8% y del semen congelado fue de 60.8 ± 1.9 y 62.9 ± 2.4% con los dilutores Tris y Ovine Freezing, respectivamente; mientras que la proporción de espermatozoides con membrana intacta, evaluada por la prueba de HOST (Hipo Osmotic Swelling Test) fue 77.9 ± 4.8 y 78.9 ± 4.0% para el semen refrigerado y de 39.9 ± 3.6 y 43.2 ± 2.9% para el semen congelado, utili...
8
artículo
Publicado 2025
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At the start of the COVID-19 pandemic around the world, the number of Venezuelan migrants in Latin Americancountries reached about 5 million. Contagiousness, quarantines, and deaths dramatically impacted their life, affectedtheir mental health and made their future difficult and uncertain. This report attempts to determine the impact ofCOVID-19 on Venezuelan migrants in Colombia, Ecuador, Peru (65 % of the total) and other countries in the Americancontinente, gathering information on resulting social behaviors, mental health problems, and bases of eventual solutions.It is a narrative review, based on material from established bibliographic sources, reliable reports from academicinstitutions and specialized international agencies on qualitative and quantitative analyses of areas such as living conditions, education, social mobility, vulnerabilities and physical and mental health in the mi...
9
artículo
The COVID-19 pandemic has brought about significant changes in people’s lifestyles, with the educational sector being one of the most reliant on technology to facilitate the teaching and learning process. In this literature review, a search for articles related to the metaverse in education, published in 2022 and 2023, has been conducted across six databases: Scopus, EBSCO Host, ScienceDirect, Taylor & Francis Online, IEEE Xplore, and Springer. The PRISMA methodology was used to analyze and systematize the manuscripts found. The aim of this research was to examine how integrating the metaverse into education can enhance educational accessibility and equity by enabling students to utilize virtual learning resources and opportunities. In addition, they can engage in interactions with others to learn and create interactive content during the teaching and learning process. This requires a ...
10
artículo
Publicado 2011
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The study evaluated the performance of Tris-egg yolk and Citrate-egg-yolk asextenders for freezing ram semen in straws and the integrity of sperm membrane of frozensperm at the National Semen Bank – UNALM, Lima, Peru using six ram semen donors ofthree breeds. The semen was collected in an artificial vagina, diluted with Tris – glucose– quail egg yolk (Tris) or with Citrate – glucose – egg yolk (Citrate), stored in 0.5 mlpellets, and frozen in liquid nitrogen. Thawing was done at 38 ºC for 15 seconds. Inrefrigerated semen, the Progressive Individual Motility (PIM) in diluted semen with Tris was 82.3% and with Citrate was 79.2%, and the integrity of the cytoplasmic membrane(HOST) was 78.0 ± 4.4 with Tris and 73.2 ± 5.8% with Citrate. In thawed semen, PIM was62.0 and 56.8%, and HOST was 49.8 ± 3.9 and 41.3 ± 3.8% for Tris and Citrate respectively,with significant differences ...
11
artículo
Publicado 2011
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The study evaluated the performance of Tris-egg yolk and Citrate-egg-yolk asextenders for freezing ram semen in straws and the integrity of sperm membrane of frozensperm at the National Semen Bank – UNALM, Lima, Peru using six ram semen donors ofthree breeds. The semen was collected in an artificial vagina, diluted with Tris – glucose– quail egg yolk (Tris) or with Citrate – glucose – egg yolk (Citrate), stored in 0.5 mlpellets, and frozen in liquid nitrogen. Thawing was done at 38 ºC for 15 seconds. Inrefrigerated semen, the Progressive Individual Motility (PIM) in diluted semen with Tris was 82.3% and with Citrate was 79.2%, and the integrity of the cytoplasmic membrane(HOST) was 78.0 ± 4.4 with Tris and 73.2 ± 5.8% with Citrate. In thawed semen, PIM was62.0 and 56.8%, and HOST was 49.8 ± 3.9 and 41.3 ± 3.8% for Tris and Citrate respectively,with significant differences ...
12
artículo
Publicado 1997
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This article addresses the significance of the recent global trend toward liberalization of foreign direct investment (FDI), showing the importance of Latin America in the process and analyzing the regulation of FDI in three countries (Brazil, Chile, and Peru) and one integration movement (the Andean Group) of the region. The evolution of these four FDI regimes, from the 1970s to 1996, reflects the great changes in economic policy that have taken place in Latin America. After presenting some theoretical background concerning levels of FDI regulation in the world economy, the main aspects of the national regulation of FDI, and traditional conflict issues between multinational enterprises and host governments, the author proceeds to outline, on the one hand, the rise and fall of economic nationalism in Latin America (between 1970 and the mid-1980s), and, on the other, the central tenets of...
13
tesis de grado
Publicado 2021
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El proyecto ,SKYNET, consiste en la simplificación del proceso de muestras y cortesías automatizando el ingreso del mismo realizado por los representantes de ventas, hasta el proceso de aprobación instanciado por el personal de supervisión a cargo para una adecuada reserva de los artículos, para su próximo traslado y envió a los clientes. Todo esto representado mediante una plataforma virtual en un entorno Web desarrollado con, ASP.NET, y el, DI API SAP BO, lo cual permitirá la integración de estos proceso al core de negocio alojado en él, ERP SAP BO, con la finalidad de tener un solo proceso lineal, organizado y evitar que la entidad incurra en un gasto mayor de licenciamiento ya que la plataforma utilizara una única licencia SAP BO.
14
tesis de grado
Publicado 2015
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La presente investigación tiene como propósito identificar y analizar los problemas que surgen en el proceso de implementación de políticas lingüísticas que garanticen el uso del idioma materno ante las autoridades encargadas del acceso a la justicia ordinaria, en el distrito de san Martín de Pangoa. La metodología utilizada ha sido “estudio de caso”, y se realizó en el distrito antedicho. Propiamente se ha seguido el esquema propuesto por Pérez Serrano (1994) y Martínez Bonafé (1990). Fases generales, ampliamente aceptadas en este tipo de estudios: Fase pre-activa, fase inter-activa y la fase post-activa. En efecto, tanto el tipo como los objetivos de la investigación, suponían utilizar un diseño cíclico de desarrollo: selección del caso, análisis del mismo bajo la iluminación de las leyes, decretos, teorías y políticas públicas, para luego reflexionar crítica...
15
tesis de grado
Publicado 2017
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La presente investigación propone como objetivo general Desarrollar la propuesta de implementación de módulo facturación electrónica Cloud con componente pos DLL para la integración al ERP en la empresa Centro de Informática Ingeniería. En la actualidad se tiene usando el ERP en empresas pequeñas de comercio, pero con el proceso de facturación tradicional. Basándome en estudios estadísticos muchas de estas pequeñas empresas no cuentan con ambientes de TI dedicado, mucho menos con los recursos para inversiones en tecnología. Nace pues la necesidad de poder integrar un módulo facturación electrónica Cloud, el cual está alojada en la nube y no incurra en mantenimiento por parte de los clientes que la adquieran y sobre todo cumpla con la Resolución de Superintendencia N°374- 2013/SUNAT que hace referencia a los documentos de electrónicos. La población está constituida ...
16
tesis de grado
Publicado 2021
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Universidad Nacional Agraria La Molina. Facultad de Zootecnia. Departamento Académico de Producción Animal
17
artículo
Publicado 2025
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Studies on parasites are essential tools for understanding the ecological dynamics of variations in population abundance, structural changes in communities, and the coevolutionary processes of their hosts. They play a fundamental role in modulating biodiversity and serve as excellent models for studying host-parasite relationships. In this context, we used samples collected in species surveys in four protected areas to describe the endoparasite communities of Enyalius bibroniiBoulenger, 1885 (Squamata: Leiosauridae) in the Caatinga domain of northeastern Brazil and investigated the factors that influence the composition of these communities. We analyzed 166 specimens of E. bibronii. The composition of endoparasites varied between sampling sites, but we identified six parasitic species, with Physaloptera lutzi Cristófaro, Guimaraes & Rodrigues, 1976 and Parapharyngodon alvarengai Fre...
18
objeto de conferencia
Publicado 2016
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This research was funded by the Research Management Office (DGI) of the Pontificia Universidad Católica del Perú (PUCP). The authors have been supported by the PUCP under the PhD scholarship program Huiracocha (J.A. Guerra), the “Programa de repatriación” (J.A. Töfflinger), the Master scholarship (L.M. Montañez and K. Tucto) from CONCYTEC and the “Círculo de investigación” from CONCYTEC. The authors would like to thank Prof. Dr. A. R. Zanatta (IFSC-USP, Brazil) for providing access to his lab in order to perform the PL measurements and Prof. Dr. H. P. Strunk (University of Stuttgart, Germany) for helping us with the PLE measurements.
19
tesis de maestría
Publicado 2017
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Universidad Nacional Agraria La Molina. Escuela de Posgrado. Maestría en Producción Animal
20
tesis de maestría
Publicado 2023
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Desde el año 2013, todas y todos aquellos niños, niñas y adolescentes (NNA) en condición de desprotección familiar son acogidos por el Estado y pasan a residir e institucionalizarse en los Centros de Acogida Residencial (CAR); es así como la cantidad de niños, niñas y adolescentes ha ido en aumento cada año. En el año 2013, ingresaron 3830 NNA en calidad de desprotección en los CAR; al 2021, se registró un aumento considerable entre 5000 a 6000 NNA en los distintos Centros de Acogida Residencial del INABIF. Por eso, en el año 2018, se creó el Banco de Familias Acogedoras (BFA) el cual está a cargo de la Dirección General de Niñas, Niños y Adolescentes (DGNNA) a través de la Dirección de Protección Especial (DPE) que es parte del Ministerio de la Mujer y Poblaciones Vulnerables, y es conformado por Familias Acogedoras por terceros que se registran previamente y presen...
