345 research outputs found
Derecho remunerativo del trabajador al pago de horas extras según la jurisprudencia nacional desde la teoría dialéctica de Karl Marx
En el presente trabajo de investigación denominada “Derecho remunerativo al
pago de horas extras según la jurisprudencia nacional desde la teoría dialéctica
de Karl Marx, planteo como objetivo general, a) Analizar el derecho remunerativo
del trabajador al pago de horas extras según la jurisprudencia nacional desde la
teoría dialéctica de Karl Marx. La investigación es cualitativa, con tipo de estudio
básico y presento un diseño no experimental así mismo fue constituido por
participantes en función a su especialidad en la dogmática laboral, permitiendo
un análisis sobre el derecho remunerativo y horas extras , por lo que se aplicó el
instrumento guía análisis documental teniendo como se deduce que si existe
vulneración del derecho del trabajador con el no pago de las horas extras no
remuneradas de la misma manera se tiene la hipótesis específicas 1): se ha
establecido en la Jurisprudencial Nacional que si se vulnera el derecho al
trabajador referido al pago de las horas extras, así mismo la hipótesis especifica
2):responde a que nos hace falta sostener magistrados en Materia Constitucional
y laboral más garantistas sobre el derecho al trabajador y el desarrollo teórico
académico sobre el freno a estas problemáticas
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Controlled Delivery of Sdf-1 Alpha and Igf-1: Cxcr4(+) Cell Recruitment and Functional Skeletal Muscle Recovery
Therapeutic delivery of regeneration-promoting biological factors directly to the site of injury has demonstrated its efficacy in various injury models. Several reports describe improved tissue regeneration following local injection of tissue specific growth factors, cytokines and chemokines. Evidence exists that combined cytokine/growth factor treatment is superior for optimizing tissue repair by targeting different aspects of the regeneration response. The purpose of this study was to evaluate the therapeutic potential of the controlled delivery of stromal cell-derived factor-1alpha (SDF-1 alpha) alone or in combination with insulin-like growth factor-I (SDF-1 alpha/IGF-I) for the treatment of tourniquet-induced ischemia/reperfusion injury (TK-I/R) of skeletal muscle. We hypothesized that SDF-1 alpha will promote sustained stem cell recruitment to the site of muscle injury, while IGF-I will induce progenitor cell differentiation to effectively restore muscle contractile function after TK-I/R injury while concurrently reducing apoptosis. Utilizing a novel poly-ethylene glycol PEGylated fibrin gel matrix (PEG-Fib), we incorporated SDF-1 alpha alone (PEG-Fib/SDF-1 alpha) or in combination with IGF-I (PEG-Fib/SDF-1 alpha/IGF-I) for controlled release at the site of acute muscle injury. Despite enhanced cell recruitment and revascularization of the regenerating muscle after SDF-1 alpha treatment, functional analysis showed no benefit from PEG-Fib/SDF-1 alpha therapy, while dual delivery of PEG-Fib/SDF-1 alpha/IGF-I resulted in IGF-I-mediated improvement of maximal force recovery and SDF-1 alpha-driven in vivo neovasculogenesis. Histological data supported functional data, as well as highlighted the important differences in the regeneration process among treatment groups. This study provides evidence that while revascularization may be necessary for maximizing muscle force recovery, without modulation of other effects of inflammation it is insufficient.Kinesiology and Health Educatio
Estudio de mercado para la creación de una agencia de viajes ubicada en el sector norte de Quito enfocada a personas que gusten viajar a eventos de entretenimiento en el exterior para el año 2015
El presente trabajo realiza un estudio de mercado en el sector de Quito con la finalidad de
comprobar la aceptación y rentabilidad de la creación de una agencia de viajes enfocada a
personas que gusten viajar a eventos de entretenimiento que se realizan en el exterior del
país, debido a que actualmente este tipo de eventos no son realizados en Ecuador. En los
diferentes capítulos del informe se puede encontrar que existe una gran variedad de oferta
en el mundo de eventos de entretenimiento que pueden llegar a encantar a las personas de
acuerdo a sus gustos, obteniendo de esta manera una demanda aceptable en el sector
analizado que gustaría poder vivir este tipo de experiencia reconociendo que actualmente en
la ciudad de Quito no existe una empresa que preste esta clase de servicios y que demanda
mayor diferenciación e innovación a toda la industria de viajes ubicadas en este sector del
país. Todo el levantamiento de información anteriormente mencionado fue necesario para
implantar estrategias adaptadas a los gustos y necesidades del mercado analizado con la
finalidad de que el servicio estudiado pueda ser desarrollado en el sector norte de la ciudad
de Quito y mediante un estudio financiero es posible demostrar que la idea establecida como tema del presente trabajo es rentable al largo plazo recalcando que es importante que la agencia de viajes se complemente con servicios adicionales de viajes, creando de esta manera una especialidad y diferenciación en la empresa con respecto a la industri
Army-NASA aircrew/aircraft integration program. Phase 5: A3I Man-Machine Integration Design and Analysis System (MIDAS) software concept document
This is the Software Concept Document for the Man-machine Integration Design and Analysis System (MIDAS) being developed as part of Phase V of the Army-NASA Aircrew/Aircraft Integration (A3I) Progam. The approach taken in this program since its inception in 1984 is that of incremental development with clearly defined phases. Phase 1 began in 1984 and subsequent phases have progressed at approximately 10-16 month intervals. Each phase of development consists of planning, setting requirements, preliminary design, detailed design, implementation, testing, demonstration and documentation. Phase 5 began with an off-site planning meeting in November, 1990. It is expected that Phase 5 development will be complete and ready for demonstration to invited visitors from industry, government and academia in May, 1992. This document, produced during the preliminary design period of Phase 5, is intended to record the top level design concept for MIDAS as it is currently conceived. This document has two main objectives: (1) to inform interested readers of the goals of the MIDAS Phase 5 development period, and (2) to serve as the initial version of the MIDAS design document which will be continuously updated as the design evolves. Since this document is written fairly early in the design period, many design issues still remain unresolved. Some of the unresolved issues are mentioned later in this document in the sections on specific components. Readers are cautioned that this is not a final design document and that, as the design of MIDAS matures, some of the design ideas recorded in this document will change. The final design will be documented in a detailed design document published after the demonstrations
Pulse of the Pandemic: Iterative Topic Filtering for Clinical Information Extraction from Social Media
The rapid evolution of the COVID-19 pandemic has underscored the need to
quickly disseminate the latest clinical knowledge during a public-health
emergency. One surprisingly effective platform for healthcare professionals
(HCPs) to share knowledge and experiences from the front lines has been social
media (for example, the "#medtwitter" community on Twitter). However,
identifying clinically-relevant content in social media without manual labeling
is a challenge because of the sheer volume of irrelevant data. We present an
unsupervised, iterative approach to mine clinically relevant information from
social media data, which begins by heuristically filtering for HCP-authored
texts and incorporates topic modeling and concept extraction with MetaMap. This
approach identifies granular topics and tweets with high clinical relevance
from a set of about 52 million COVID-19-related tweets from January to mid-June
2020. We also show that because the technique does not require manual labeling,
it can be used to identify emerging topics on a week-to-week basis. Our method
can aid in future public-health emergencies by facilitating knowledge transfer
among healthcare workers in a rapidly-changing information environment, and by
providing an efficient and unsupervised way of highlighting potential areas for
clinical research.Comment: 24 pages, 5 figures. To be published in the Journal of Biomedical
Informatic
The difficult transition to blended learning in higher education: a Latin American example
En el Centro Universitario de los Valles (CUValles) de la Universidad de Guadalajara (México) se ha implementado un modelo semipresencial, en respuesta a algunas características de la población y de la zona donde se ubica. La investigación es parte de una evaluación realizada con estudiantes y profesores del Centro sobre el modelo. El tratamiento de los datos que se presentan son de tendencia central (media) y distribución porcentual. Los temas de interés que se abordan se relacionan son la aceptación que tiene el modelo, los motivos o razones por el que lo aceptan y la interactividad que tiene el profesorado con los estudiantes. Los datos reflejan que las principales causas o motivos por el que los estudiantes aceptan la semipresencialidad son personales, y reflejan una crítica en la implementación, ya que la mayoría creen que las actividades en línea no sustituyen la presencialidad. Por otro lado, los profesores se quejan de falta de formación para trabajar en un modelo semipresencial y del poco nivel de los estudiantes. La semipresencialidad, es una alternativa viable, para que las universidades presenciales iberoamericanas puedan aumentar su oferta educativa. Pero este tránsito no está exento de riesgos que pueden poner en peligro los posibles beneficios.At Community College "de los Valles" (CuValles), institution from University of Guadalajara (México) a blended e-learning model has been developed. It was in order to satisfy the educational needs of local and regional population. This study, as part of a bigger research, has the aim of evaluating the blended model learning from CuValles. The main analyzed dimensions were the acceptance of model, and the acceptance or not acceptances motives and reasons. Sample included students and lecturers from CuValles, and a descriptive analysis was conducted. The result was that the main acceptance reasons are related to personal factors. Furthermore, several model weaknesses were found: deficit in implementation of nonface-to-face model side, mainly lack of lecturers training, and low level of students training. However, the main conclusion is blended learning is a very powerful learning-teaching system in order to increase the educational level in latin american, although moving from traditional education to this systems has risks
The idea was that those who were trained needed to teach others”: Critical reflections on the 2014 Zambian language of initial literacy policy change
Just before the opening of the school calendar in January 2014, the Zambian government announced a change in
language in education policy from English to using a designated official regional Zambian language as the medium
of instruction from nursery school to grade 4. Taking this language in education policy change in Zambia as a point
of departure, this chapter is a critical reflection on language policy pronouncements in Zambia and in Africa
generally.
We trace the history of contradictions and contestations surrounding language education policies in Northern
Rhodesia (now Zambia) through missionaries, the British South Africa Company, the British Colonial Office and
the emergent independent African government administrations. Thereafter, we use observation and interview data
from teacher training college lecturers, primary and secondary school teachers of Zambian languages, and Zambian
languages subject experts to evaluate the 2014 policy shift. The pedagogical implications of the language policy
change are analysed considering language zoning, the monolingual/monoglot ideologies, teacher preparedness,
material availability, and the apparent gap between the government-endorsed standard Zambian languages and
varieties of the same language and the ‘unofficial’ languages spoken by teachers and learners in multilingual
practices. We conclude that, although well-intentioned, the new policy is unlikely to yield the required results of
promoting early literacy because it has been implemented before teachers were trained, before material was put in
place and it ignored the multilingual dispensations in place
Sistema informático para automatizar la información académica, de investigación, vinculación y laboratorios de la Facultad de Ciencias de la Ingeniería y Aplicadas de la UTC empleando técnicas de data analytics
The objective of this project is the development and implementation of a web system for the departments of Research, Liaison, and Laboratories at the Technical University of Cotopaxi for the Faculty of Engineering and Applied Sciences CIYA, which leads to delivering a product that meets the expectations of the Dean of the Faculty, Mauro Albarracín. The project's development has been executed under the adaptation of the agile Kanban methodology, where the application of research techniques such as interviews and surveys has also been implemented using as the only instrument a questionnaire for the survey. The Technical University of Cotopaxi has different areas already mentioned, where it has information of great relevance for its students and teachers, so the software development is for the benefit of teachers and students of the CIYA Faculty, the improvement, and automation in the delivery and management of academic information, research, liaison, and laboratories. For the development of the software, we used free software such as the CodeIgniter development framework and Bootstrap, and the main programming language is PHP. However, the use of technologies such as JavaScript and Ajax was added. The database was worked in PostgreSQL, and for the deployment, an Amazon Web Services AWS server was used as the host. In addition, GitLab was used for version management, and Trello was used for the Kanban board.El presente proyecto tiene como objetivo la elaboración e implementación de un sistema web para los departamentos de Investigación, Vinculación y Laboratorios, en la Universidad Técnica de Cotopaxi para la facultad Ciencias de la Ingeniería y Aplicadas CIYA, lo que conlleva a entregar un producto que cumpla con las expectativas al Decano de dicha Facultad, Mag. Mauro Albarracín. El desarrollo del proyecto se ha ejecutado bajo la adaptación de la metodología ágil Kanban en donde se ha implementado también la aplicación de técnicas de investigación como la entrevista y encuesta utilizando como único instrumento un cuestionario para la encuesta. La Universidad Técnica de Cotopaxi cuentan con distintas áreas ya mencionadas, donde se tiene información de suma relevancia para sus estudiantes y docentes, por lo que el desarrollo de software es para el beneficio de docentes y estudiantes de la Facultad CIYA, para la mejora y la automatización en la entrega y gestión de la información académica, de investigación, vinculación y laboratorios. Para el desarrollo del software se empleó software libre como el Framework de desarrollo CodeIgniter, así como también Bootstrap, el lenguaje principal de programación es PHP, sin embargo, se añadió la utilización de tecnologías como JavaScript y Ajax. La base de datos fue trabajada en PostgreSQL y para el despliegue se utilizó como hosting un servidor de Amazon Web Services AWS. Además, para la gestión de versiones se utilizó GitLab, así como también para el tablero de Kanban se utilizó Trello
One-step synthesis of highly reduced graphene hydrogels for high power supercapacitor applications
Graphene hydrogels with high electrical conductivity were prepared by a one-step process using hydrazine hydrate as gel assembly agent (GH-HD). Conventional two-step process of gel formation and further reduction to prepare highly conducting gels was replaced by a single step involving equivalent amount of hydrazine. Optimized graphene oxide concentration was established to facilitate such monolith formation. Extensive characterization and control studies enabled understanding of the material properties and gel formation mechanism. The synthesized gel shows a high electrical conductivity of 1141 S/m. The supercapacitor based on GH-HD delivers a high specific capacitance of 190 F/g at a current density of 0.5 A/g and 123 F/g at very high current density of 100 A/g. Furthermore, excellent power capability and cyclic stability were also observed. 3D macroporous morphology of GH-HD makes it ideal for high rate supercapacitor applications
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