976 resultados para DIAZ, JOSE JAVIER


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El objetivo de la presente investigación es analizar el proceso de implantación de la nueva gobernanza dirigido por diferentes actores, en contextos rurales de Chiapas, México, que permita generar aportes conceptuales y propuestas de acción pública para su gestión. En la presente investigación se desarrollaron tres estudios de caso con un enfoque comparativo. Cada caso tuvo un actor diferente que dinamizó el proceso, en el primero fue el privado empresarial, en el segundo la sociedad civil y en el tercero el gobierno local. Lo registrado en la presente investigación señala que la nueva gobernanza no se acota a lo definido por organismos externos al territorio y tampoco se arriba a través de una sola ruta, se estructura fundamentalmente por lo que los mismos actores locales trabajen mediante un proceso de aprendizaje social en su definición y proceso de cambio según sus elementos socio-culturales. La nueva gobernanza dirigida por la sociedad civil es quien tuvo los mejores resultados respecto a los casos guiados por la iniciativa privada y el gobierno local. Sin embargo, es este último actor quien tiene las mayores posibilidades de detonar los procesos de nueva gobernanza en la mayoría de los contextos territoriales para dar paso a la sociedad civil o la iniciativa privada que posibiliten la sostenibilidad de los procesos en el largo plazo. The purpose of the current research is to analyze the new governance implantation process directed by different actors, in the rural contexts of Chiapas, México which will permit to generate conceptual contributions and public action proposals for its management. In the current research three case studies were developed each one based on comparative focus. Each case had a different actor which put into effect such process. In the first case it was private business, in the second the civilian society and in the third the local government. The information that was registered in the current research points out that the new governance do not encloses to elements defined by those organisms which are external to the territory and neither arrives through a single pathway; it is fundamentally structured and for this reason the same local actors work through a social learning process in its definition and change process in accordance to the socio-cultural elements. The new governance which is directed by the civilian society is the one that had the best results regarding the cases that were guided by the private sector and the local government. Nevertheless, this last actor is the one who had the best chances to trigger the new governance processes in most of the territorial contexts yielding the civilian society or private business to enable the long term processes sustainability.

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Aunque existe consenso a nivel conceptual sobre la importancia del desarrollo local y sus elementos clave, como la potenciación de las capacidades locales y la participación; no lo hay respecto a cómo llevarlo a la práctica. Una de las propuestas más recientes es el desarrollo local en red, el cual fomenta la colaboración de las dependencias gubernamentales con los actores del territorio; su validez depende de identificar los factores determinantes para lograr el desarrollo local e incorporar las lecciones surgidas de las experiencias de sus aplicaciones. En el presente artículo se tuvo como objetivo identificar los factores determinantes para el desarrollo local en red, para lo cual se analizó un estudio de caso de desarrollo local en los Altos de Chiapas, donde se utilizaron como ejes de análisis los especificados por la iniciativa Europea LEADER. Los resultados muestran que los factores de éxito más importantes en el caso estudiado, son la creación de un grupo de acción local y la descentralización financiera, ya que ambos determinaron el alcance de otros factores secundarios. El eje enfoque integral y multisectorial de las acciones de desarrollo es una de las áreas de oportunidad más interesantes en el caso estudiado.

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The HiPER project, phase 4a, is evolving. In this study we present the progress made in the field of neutronics and radiological protection for an integrated design of the facility. In the current model, we take into account the optical systems inside the target bay, as well as the remote handling requirements and related infrastructure, together with different shields. The last reference irradiation scenario, consisting of 20 MJ of neutron yields, 5 yields per burst, one burst every week and 30 years of expected lifetime is considered for this study. We have performed a characterization of the dose rates behavior in the facility, both during operation and between bursts. The dose rates are computed for workers, regarding to maintenance and handling, and also for optical systems, regarding to damage. Furthermore, we have performed a waste management assessment of all the components inside the target bay. Results indicate that remote maintenance is mandatory in some areas. The small beam penetrations in the shields are responsible for some high doses in some specific locations. With regards to optics, the residual doses are as high as prompt doses. It is found that the whole target bay may be fully managed as a waste in 30 years by recycling and/or clearance, with no need for burial.

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A broadband primary standard for thermal noise measurements is presented and its thermal and electromagnetic behavior is analyzed by means of analytical and numerical simulation techniques. It consists of a broadband termination connected to a 3.5mm coaxial airline partially immersed in liquid Nitrogen. The main innovative part of the device is the thermal bead between inner and outer conductors, designed for obtaining a proper thermal contact and to keep low both its contribution to the total thermal noise and its reflectivity. A sensitivity analysis is realized in order to fix the manufacturing tolerances for a proper performance in the range 10MHz¿26.5GHz.

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The bacterial pathogen Pseudomonas syringae pv tomato DC3000 suppresses plant innate immunity with effector proteins injected by a type III secretion system (T3SS). The cysteine protease effector HopN1, which reduces the ability of DC3000 to elicit programmed cell death in non-host tobacco, was found to also suppress the production of defence-associated reactive oxygen species (ROS) and callose when delivered by Pseudomonas fluorescens heterologously expressing a P. syringae T3SS. Purified His 6 -tagged HopN1 was used to identify tomato PsbQ, a member of the oxygen evolving complex of photosystem II (PSII), as an interacting protein. HopN1 localized to chloroplasts and both degraded PsbQ and inhibited PSII activity in chloroplast preparations, whereas a HopN1 D299A non-catalytic mutant lost these abilities. Gene silencing of NtPsbQ in tobacco compromised ROS production and programmed cell death.

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This article presents research focused on tracking manual tasks that are applied in cognitive rehabilitation so as to analyze the movements of patients who suffer from Apraxia and Action Disorganization Syndrome (AADS). This kind of patients find executing Activities of Daily Living (ADL) too difficult due to the loss of memory and capacity to carry out sequential tasks or the impossibility of associating different objects with their functions. This contribution is developed from the work of Universidad Politécnica de Madrid and Technical University of Munich in collaboration with The University of Birmingham. The KinectTM for Windows© device is used for this purpose. The data collected is compared to an ultrasonic motion capture system. The results indicate a moderate to strong correlation between signals. They also verify that KinectTM is very suitable and inexpensive. Moreover, it turns out to be a motion-capture system quite easy to implement for kinematics analysis in ADL.

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A broadband primary standard for thermal noise measurements is presented and its thermal and electromagnetic behaviour is analysed by means of a novel hybrid analytical?numerical simulation methodology. The standard consists of a broadband termination connected to a 3.5mm coaxial airline partially immersed in liquid nitrogen and is designed in order to obtain a low reflectivity and a low uncertainty in the noise temperature. A detailed sensitivity analysis is made in order to highlight the critical characteristics that mostly affect the uncertainty in the noise temperature, and also to determine the manufacturing and operation tolerances for a proper performance in the range 10MHz to 26.5 GHz. Aspects such as the thermal bead design, the level of liquid nitrogen or the uncertainties associated with the temperatures, the physical properties of the materials in the standard and the simulation techniques are discussed.

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Cross-reactivity of plant foods is an important phenomenon in allergy, with geographical variations with respect to the number and prevalence of the allergens involved in this process, whose complexity requires detailed studies. We have addressed the role of thaumatin-like proteins (TLPs) in cross-reactivity between fruit and pollen allergies. A representative panel of 16 purified TLPs was printed onto an allergen microarray. The proteins selected belonged to the sources most frequently associated with peach allergy in representative regions of Spain. Sera from two groups of well characterized patients, one with allergy to Rosaceae fruit (FAG) and another against pollens but tolerant to food-plant allergens (PAG), were obtained from seven geographical areas with different environmental pollen profiles. Cross-reactivity between members of this family was demonstrated by inhibition assays. Only 6 out of 16 purified TLPs showed noticeable allergenic activity in the studied populations. Pru p 2.0201, the peach TLP (41%), chestnut TLP (24%) and plane pollen TLP (22%) proved to be allergens of probable relevance to fruit allergy, being mainly associated with pollen sensitization, and strongly linked to specific geographical areas such as Barcelona, Bilbao, the Canary Islands and Madrid. The patients exhibited mayor que50% positive response to Pru p 2.0201 and to chestnut TLP in these specific areas. Therefore, their recognition patterns were associated with the geographical area, suggesting a role for pollen in the sensitization of these allergens. Finally, the co-sensitizations of patients considering pairs of TLP allergens were analyzed by using the co-sensitization graph associated with an allergen microarray immunoassay. Our data indicate that TLPs are significant allergens in plant food allergy and should be considered when diagnosing and treating pollen-food allergy.

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Digitalización Vitoria-Gasteiz Archivos y Bibliotecas Julio 1994 18-64

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Digitalización Vitoria-Gasteiz Fundación Sancho el Sabio 2012

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The lack of useful information has become a major obstacle that hinders the participation of the members of the community in the development process because they can not accurately perceive how their individual and/or collective action can influence their environment, and because of the lack of elements that support the decision-making processes. This article addresses these issues from the work carried out by the Association Instituto de Desarrollo Comunitario de Cuenca (IDC Cuenca) in the rural areas of this province of Spain for 25 years. The results show how the application of methodologies for the transmission of information tailored to each group of recipients in some aspects, enhances the participation of individuals.

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The need for the use of another surveillance system when radar cannot be used is the reason for the development of the Multilateration (MLT) Systems. However, there are many systems that operate in the L-Band (960-1215MHz) that could produce interference between systems. At airports, some interference has been detected between transmissions of MLT systems (1030MHz and 1090MHz) and Distance Measuring Equipment (DME) (960-1215MHz).

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El cáncer de mama (CM) es el más común entre las mujeres occidentales, con un alto porcentaje de supervivencia, la cual no está exenta de numerosos efectos secundarios tanto por los tratamientos como por la enfermedad, afectando a la calidad de vida de estas mujeres. El objetivo de este proyecto es conocer el efecto de un programa de ejercicio físico conducido en la calidad de vida de mujeres afectadas por cáncer de mama. Método. El programa de ejercicio físico consistió en 24 sesiones (doce semanas) y se desarrolló íntegramente en la Facultad de Ciencias de la Actividad Física y del Deporte-INEF (UPM), donde se estudió a 31 mujeres afectadas. Resultados. Se muestra una mejora en la calidad de vida (p= 0,034), así como en diferentes aspectos de autoestima y depresión (p = 0,029 y p = 0,003 para el primero y p = 0,018 y p = 0,015 para el segundo). También se observó una mejora en el índice de fuerza general (p = 0,009) y en la capacidad funcional (p = 0,005). Conclusiones. Estos resultados permiten asociar un programa de ejercicio físico regular con posibles mejoras en la calidad de vida de las mujeres afectadas por cáncer de mama.