1,031 research outputs found

    La aplicación del contrato social en el Estado ecuatoriano, en el período 2017-2021, durante la presidencia de Lenin Moreno.

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    La presente investigación tiene como eje central el análisis doctrinario de la Teoría del Contrato Social, identificando los principios generales que componen la teoría y cómo se ha desarrollado en razón de los aportes realizados por cada autor; hasta la concepción contemporánea y críticas realizadas al denominado Pacto Social. Bajo estas concepciones teórico doctrinarias se realiza un estudio respecto a la situación política y jurídica del Estado ecuatoriano durante el régimen del ex presidente Lenin Moreno. El trabajo tiene como objetivo determinar los factores que incidieron para la no aplicación de la Teoría del Contrato Social en el Estado ecuatoriano en el período 2017-2021. La investigación tiene un enfoque cualitativo, pues los resultados no son medibles estadísticamente y, dentro del nivel descriptivo, busca comprender fenómenos sociales producidos en el Ecuador y analizados bajo la doctrina. Como resultado del proyecto de investigación, se ha podido determinar que en el gobierno de Lenin Moreno no se aplicó la Teoría del Contrato Social, debido al sometimiento del jefe del Estado a la voluntad de las clases dominantes de la sociedad ecuatoriana, lo que trajo como consecuencia la aplicación de políticas neoliberales contrarias a la voluntad general y a la búsqueda del bienestar común.This research work focuses on the doctrinal analysis of the Theory of the Social Contract. It identified the general principles that comprise the theory and how it has evolved based on the contributions made by each author. This analysis extends to contemporary conceptions of the theory as well as critiques made of the so-called Social Pact. Using this theoretical framework, this study examines the political and legal situation of the Ecuadorian State during the regime of former President Lenin Moreno. The aim of this work was to determine the factors that contributed to the non-application of the Theory of the Social Contract in the Ecuadorian State during the years 2017-2021. This research has a qualitative approach, as its results are not statistically measurable. Within the descriptive level, it aims to understand social phenomena produced in Ecuador and analyze them through the lens of doctrine. As a result of this research project, it has been determined that the Theory of the Social Contract was not applied during the government of Lenin Moreno due to two main factors. First, the submission of the head of state to the will of the dominant classes, and second, the neoliberal policies that are contrary to the general will and the pursuit of the common good.PregradoAbogada de los Tribunales y Juzgados de la República del Ecuado

    Zizek's return to Lenin

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    The paper offers a critical discussion of the thesis about the revived philosophical and political significance of Lenin, as recently propounded by Slavoj Zizek. Analyzing Zizek's writings, the author argues that the call for a "return to Lenin" derives from Zizek's strategy of "textual provocation" and the frustrating position of the leftist, radical tradition of political thought after the collapse of communism

    Russian Revolution, Vladimir Lenin

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    An image scanned from a black and white photograph of Vladimir Lenin walking down the street and a woman behind him. Within a series of photographs saved by author Arnold Rubenstein of Trotsky and Lenin.https://digitalcommons.library.umaine.edu/spec_photos/3507/thumbnail.jp

    EMVARIAS: la fuerza naranja de Medellín

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    Hablamos con Jorge Lenin Urrego Ángel, gerente de Emvarias Grupo EPM, sobre la cultura ciudadana de aseo en Medellín y los proyectos que encaminen a Medellín a tener un modelo de aprovechamiento de residuos sólidos estructurado, que nos permitan -como nos gusta- ser líderes en innovación en la gestión de residuos sólidos en el país. Desde Moravia, pasando por La Curva de Rodas, hasta La Pradera, historia de Medellín en relación a sus desechos

    Convergent evolution of reduced energy demands in extremophile fish

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    Citation: Passow, C. N., Arias-Rodriguez, L., & Tobler, M. (2017). Convergent evolution of reduced energy demands in extremophile fish. PLOS ONE, 12(10), e0186935. https://doi.org/10.1371/journal.pone.0186935Convergent evolution in organismal function can arise from nonconvergent changes in traits that contribute to that function. Theory predicts that low resource availability and high maintenance costs in extreme environments select for reductions in organismal energy demands, which could be attained through modifications of body size or metabolic rate. We tested for convergence in energy demands and underlying traits by investigating livebearing fish (genus Poecilia) that have repeatedly colonized toxic, hydrogen sulphide-rich springs. We quantified variation in body size and routine metabolism across replicated sulphidic and non-sulphidic populations in nature, modelled total organismal energy demands, and conducted a common-garden experiment to test whether population differences had a genetic basis. Sulphidic populations generally exhibited smaller body sizes and lower routine metabolic rates compared to non-sulphidic populations, which together caused significant reductions in total organismal energy demands in extremophile populations. Although both mechanisms contributed to variation in organismal energy demands, variance partitioning indicated reductions of body size overall had a greater effect than reductions of routine metabolism. Finally, population differences in routine metabolism documented in natural populations were maintained in common-garden reared individuals, indicating evolved differences. In combination with other studies, these results suggest that reductions in energy demands may represent a common theme in adaptation to physiochemical stressors. Selection for reduced energy demand may particularly affect body size, which has implications for life history evolution in extreme environments

    Russian Revolution, Vladimir Lenin

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    An image scanned from a black and white photograph of Vladimir Lenin dressed in a heavy coat standing on the street while several others pass by. The handwritten date on the back of the photograph is 1918. Within a series of photographs saved by author Arnold Rubenstein of Trotsky and Lenin.https://digitalcommons.library.umaine.edu/spec_photos/3506/thumbnail.jp

    Inter-populational difference in microsatellite-centromere map distances in the loach, Misgurnus anguillicaudatus

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    Microsatellite-centromere recombination rates were estimated at 21 loci in relation to centromere of chromosomes in gynogenetic diploid lines induced from loaches of two different populations in Japan. All the microsatellite loci gave allelic segregation according to the Mendelian manner of inheritance in normal diploid families. Since loaches from Kita population in the southern area of Hokkaido Island and those from Memanbetsu population in the northern area, Hokkaido, Japan, were reported to be genetically diversified by previous genetic studies, map distances were compared between loaches from the two different populations. Three (Mado7, Mac3 and Mac49) of five loci, which could be compared inter-populationally, gave significantly different recombination rates, i.e., map distances. The results support the presence of genetic difference between the two populations

    Russian Revolution, Vladimir Lenin at a Meeting

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    An image scanned from a black and white photograph of Vladimir Lenin and others at a long table. Stacks of papers are spread out before them. Within a series of photographs saved by author Arnold Rubenstein of Trotsky and Lenin.https://digitalcommons.library.umaine.edu/spec_photos/3503/thumbnail.jp

    The rediscovery of a long described species reveals additional complexity in speciation patterns of poeciliid fishes in sulfide springs

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    The process of ecological speciation drives the evolution of locally adapted and reproductively isolated populations in response to divergent natural selection. In Southern Mexico, several lineages of the freshwater fish species of the genus Poecilia have independently colonized toxic, hydrogen sulfide-rich springs. Even though ecological speciation processes are increasingly well understood in this system, aligning the taxonomy of these fish with evolutionary processes has lagged behind. While some sulfide spring populations are classified as ecotypes of Poecilia mexicana, others, like P. sulphuraria, have been described as highly endemic species. Our study particularly focused on elucidating the taxonomy of the long described sulfide spring endemic, Poecilia thermalis Steindachner 1863, and investigates if similar evolutionary patterns of phenotypic trait divergence and reproductive isolation are present as observed in other sulfidic species of Poecilia. We applied a geometric morphometric approach to assess body shape similarity to other sulfidic and non-sulfidic fish of the genus Poecilia. We also conducted phylogenetic and population genetic analyses to establish the phylogenetic relationships of P. thermalis and used a population genetic approach to determine levels of gene flow among Poecilia from sulfidic and non-sulfidic sites. Our results indicate that P. thermalis' body shape has evolved in convergence with other sulfide spring populations in the genus. Phylogenetic analyses placed P. thermalis as most closely related to one population of P. sulphuraria, and population genetic analyses demonstrated that P. thermalis is genetically isolated from both P. mexicana ecotypes and P. sulphuraria. Based on these findings, we make taxonomic recommendations for P. thermalis. Overall, our study verifies the role of hydrogen sulfide as a main factor shaping convergent, phenotypic evolution and the emergence of reproductive isolation between Poecilia populations residing in adjacent sulfidic and non-sulfidic environments

    Prevalencia de conversión de la colecistectomía laparoscópica en el Hospital Militar Central “Crl. Luis Arias Schreiber” en el año 2016

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    El objetivo del estudio es determinar la prevalencia de la conversión de la colecistectomía laparoscópica en el Hospital Militar Central “CRL. Luis Arias Schreiber” en el año 2016. Métodos: Se realizó un estudio descriptivo, retrospectivo de corte transversal; en el Hospital Militar Central “CRL. Luis Arias Scheiber” en el año 2016. Se incluyeron la totalidad de las colecistectomías laparoscópicas que cumplían los estándares. Los datos fueron recolectados del libro de sala de operaciones y base de datos estadísticos del departamento de cirugía general. Resultados: La prevalencia de conversión quirúrgica de colecistectomía laparoscópica fue de 5.7%. El Grupo etario que presento mayor porcentaje de conversión fue el conformado por pacientes mayores de 65 años con un 11.1%. El sexo masculino presento las tasas más altas de conversión quirúrgica con un 5.7 %. La principal causa de conversión quirúrgica, fue la Hemorragia no controlable con el 37.5%. Conclusiones: El estudio revela una frecuencia levemente elevada de conversión de colecistectomía laparoscópica en relación a los estándares internacionales. Aun así las tasas de conversión quirúrgica siguen siendo bajas por lo que debe seguir siendo la primera opción quirúrgica en pacientes con patología vesicularSubmitted by Fiorella Tipula ([email protected]) on 2022-06-06T19:17:08Z No. of bitstreams: 1 MED-Rojas Salazar, Lenin.pdf: 680954 bytes, checksum: ead5b84e17b2366408bf521ddf7b3b3d (MD5)Made available in DSpace on 2022-06-06T19:17:08Z (GMT). No. of bitstreams: 1 MED-Rojas Salazar, Lenin.pdf: 680954 bytes, checksum: ead5b84e17b2366408bf521ddf7b3b3d (MD5) Previous issue date: 2017Tesi
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