El Circuito de Educación Precaria en México: una imagen del 2010

ResumenSe presentan los resultados encontrados a partir de una propuesta de sistematización de diversos indicadores que permiten hacer visibles las condiciones en las que operan las Instituciones de Educación Superior (IES) en México, lo cual nos permite dibujar un panorama nacional. Enmarcamos este panorama de la educación superior bajo el concepto de Circuito de Educación Precaria.Intentamos hacer evidente la doble lógica del crecimiento en la oferta de educación superior sin calidad: por un lado, el sector público ofrece educación como parte de una lógica de intercambio político demagógico, y por el otro, el privado ha incrementado su oferta educativa como negocio.AbstractThrough the systematization of various indicators, we reveal the conditions under which higher education institutions in Mexico operate, while creating an overall picture of the quality of these institutions on a national scale. In framing the country's higher education landscape, we employ the concept of Circuit of Precarious Education.We seek to reveal the double logic behind the current model of higher education growth without quality: on the one hand, the public sector provides education as part of a logic of demagogic political exchange; on the other, the private sector has increased its educational offerings in search of new sources of business revenue

The mOxy-CaL Process: Integration of Membrane Separation, Partial Oxy-combustion and Calcium Looping for CO2 Capture

CO2 capture and storage (CCS) is considered as a key strategy in the short to medium term to mitigate global warming. The Calcium-Looping process, based on the reversible carbonation/calcination of CaO particles, is a promising technology for post-combustion CO2 capture because of the low cost and non-toxicity of natural CaO precursors and the minor energy penalty on the power plant in comparison with amines capture based technologies (4-9 % compared to 8-12 %). Another interesting process to reduce CO2 emissions in power plants is oxy-combustion, which is based on replacing the air used for combustion by a highly concentrated (~95 % v/v) O2 stream. This work proposes a novel process (mOxy-CaL) for post-combustion CO2 capture based on the integration of membrane separation, partial oxy-combustion and the Calcium-Looping process. An oxygenenriched air stream, which is obtained from air separation by using highly permeable polymeric membranes, is used to carry out partial oxy-combustion. The flue gas exiting partial oxy-combustion shows a CO2 concentration of ~30 % v/v (higher than 15 % v/v typical in coal power plants). After that, the flue gas is passed to the CaL process where the CO2 reacts with CaO solids according to the carbonation reaction. Thermogravimetric analysis show that the multicycle CaO conversion is enhanced as the CO2 concentration in the flue gas stream is increased. Process simulations show that the mOxy-CaL process has a high CO2 capture efficiency (~95%) with lower energy consumption per kg of CO2 avoided than previously proposed post-combustion CO2 capture technologies. Moreover, the overall system size is significantly lower that state-of-the-art CaL systems, which allows for an important reduction in the capital cost of the technology

Hacia una mejor comprensión del proceso de integración de los recursos bioinformáticos

Normal 0 21 false false false ES X-NONE X-NONE MicrosoftInternetExplorer4 El proceso de integración de los recursos bioinformáticos ha estado ocurriendo aceleradamente durante ya varias décadas, casi desde el comienzo mismo de la creación de los primeros repositorios y herramientas de análisis bioinformáticos. El propio canon fundamental de la biología molecular, es decir, uno o varios genes (nucleótidos, secuencia/estructura) → proteínas (aminoácidos, secuencia/estructura) → función biológica (reacción, proceso y componente), en el cual datos de diferente naturaleza se integran a través de relaciones de diversa índole, exigía este proceso de integración, la compresión del todo a través de sus partes relacionadas. <!--[endif] --

The effect of managing different types of work on open innovation: A micro-organizational perspective

[EN] Purpose The purpose of this paper is to analyze the different types of work and to examine how they are related with open innovation, either by carrying out relationships with companies or external agents, or through the outsourcing of qualified and creative work. Design/methodology/approach After the theoretical analysis of the different types of work, the empirical study uses qualitative comparative analysis (QCA) to analyze the different variables and their relations which favor open innovation. Findings The combination of the variables in the QCA makes it possible to obtain three paths among the characteristics of the qualified work and open innovation, with a positive empirical result. The general conclusion is that the motivation level of the qualified work is relevant for open innovation. 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Die Institutionalisierung von Arbeitsbeziehungen inmitten der Gewalt: der paradoxe Fall der kolumbianischen Bananenarbeitergewerkschaft Sintrainagro

Im Verlaufe des Bewaffneten Konflikts sind in Kolumbien seit den 1980er Jahren Gewerkschaften und ihre Mitglieder wie in kaum einem anderen Land von physischer Gewalt heimgesucht worden. Der Artikel untersucht den paradoxen Fall der Bananenarbeitergewerkschaft Sintrainagro im Urabá, die wohl am stärksten von Gewalt betroffen war, sich aber zugleich zu einer mächtigen, repräsentativen Organisation entwickelt hat, die - einzigartig in Kolumbien - Kollektivvereinbarungen für fast die gesamte Branche in der Region aushandelt, dies in Arbeitsbeziehungen, die, ursprünglich stark antagonistisch, mikrokorporatistische Züge angenommen haben. Der Artikel zeigt die zentrale Bedeutung von legalen und illegalen bewaffneten Akteuren in der Region - staatlichen Sicherheitskräften, Guerillas und Paramilitärs - und ihren Strategien für die Entwicklung der Gewerkschaft wie der Arbeitsbeziehungen auf und zieht Schlussfolgerungen für die begrenzte Reichweite der Konzepte der industrial-relations-Forschung in einem Land mit "ungleicher Präsenz des Staats".Since the 1980s, unions and union members in Colombia have been the victims of physical violence to an extent hardly found in any other country. This article analyses the paradoxical case of Sintrainagro, the banana workers union: While one of the unions most affected by the violence, Sintrainagro has become a powerful representative organisation which - unique in Colombia - negotiates collective agreements covering almost the whole banana zone of Urabá. Through its efforts, industrial relations within the banana industry have changed from an antagonistic to a cooperative style. The article shows the fundamental role that legal and illegal armed actors - public security forces, guerrillas, and paramilitary groups - and their strategies have played in the evolution of the union and in industrial relations. The case of Sintrainagro highlights the limited applicability of concepts from industrial relations research in a context like Colombia, a country marked by a differential territorial and regulatory state presence

Crystallization and preliminary X-ray diffraction analysis of levansucrase (LsdA) from Gluconacetobacter diazotrophicus SRT4

The endophytic bacterium Gluconacetobacter diazotrophicus SRT4 secretes a constitutively expressed levansucrase (LsdA; EC 2.4.1.10), which converts sucrose to fructo-oligosaccharides and levan. Fully active LsdA was purified to high homogeneity by non-denaturing reversed-phase HPLC and was crystallized at room temperature by the hanging-drop vapour-diffusion method using ammonium sulfate and ethanol as precipitants. The crystals are extremely sensitive, but native data have been collected to 2.5 A under cryogenic conditions using synchrotron radiation. LsdA crystals belong to the orthorhombic space group P22(1)2(1) or P2(1)2(1)2, with unit-cell parameters a = 53.80, b = 119.39, c = 215.10 A

Estudio del nivel de autoestima y su relación con la capacidad de liderazgo en el área de PFRH en los estudiantes de 5to año de secundaria. I.E José Olaya Balandra – Piura, 2018

El presente trabajo de Investigación está referido al Estudio del nivel de autoestima y su relación con la capacidad de liderazgo en el área de PFRH en los estudiantes de 5to año de secundaria. I.E José Olaya Balandra – Piura, 2018, el mismo que hace referencia a cerca de aquellas habilidades sociales personales como son: la autoestima y el liderazgo, como factores importantes que nos van a permitir tener un adecuado nivel de aceptación personal y social y que nos permite adaptación en los niveles intrapersonal e interpersonal. Vienen a ser un resultado de conductas a nivel interpersonales complejos que van a poner en regla de juego con la adecuada integración e interacción con nuestros semejantes. Las Habilidades personales – sociales como la autoestima y el liderazgo se van a adquirir por medio el proceso del aprendizaje de conductas y comportamientos nuevos. La presente investigación tiene una relación a nivel educativo y social, debido a la preocupación y a la realidad que genera en todos los escenarios de la sociedad; ante ello, es importante realizarla para conocer la autoestima, en cómo se dan las relaciones, ver el desarrollo, y si son estables o no; mediante la presente investigación se pretende conocer y establecer relaciones existentes entre la autoestima y el liderazgo como aspectos que permiten tener un desarrollo maduración positivo de los estudiantes del quinto año del nivel secundario de la Institución Educativa Nacional José Olaya Balandra. Otra razón de su importancia, radica en que los resultados de la investigación nos brindarán pautas necesarias para establecer acciones preventivas - promocionales y de orientación psicológica que contribuyan en el mejoramiento de conducta de los y las estudiantes y sus familiares y de esta forma mejorar su calidad y estilo de vida. Además, se pretende que, una vez concluida la investigación de acuerdo a los resultados obtenidos, se brinde las recomendaciones a la autoridad educativa correspondiente para que con apoyo especializado pueda tomar las acciones profesionales correspondientes, en beneficio de los estudiantes; y por ende disminuir también la problemática existente