Viaje de estudios Ruta del R??o Iregua : aproximaci??n a su geograf??a : estudio global de la cuenca

Material did??ctico elaborado por el grupo de sociales de EVERI (Escuela de Verano de La Rioja) en el que se tratan aspectos generales de la geograf??a y su aplicaci??n pr??ctica en una comarca de la regi??n, orientado a alumnos de sexto y s??ptimo curso de EGB en el ??rea de ciencias sociales, y publicado por la Consejer??a de Educaci??n, Cultura y Deportes del Gobierno de La Rioja dentro de la colecci??n rutas. El libro consta de varias partes: 1. El documento de trabajo en el que se recoge: A. Un primer estudio del r??o Iregua desde el punto de vista f??sico, mediante mapas y gr??ficos que el alumno confecciona y que m??s tarde interpreta con ayuda de unas sencillas cuestiones que se le plantean. B. An??lisis del aprovechamiento que el hombre hace del r??o (consumo de agua, piscifactor??as, aprovechamiento hidroel??ctrico, tur??stico). Cada uno de los apartados de estos bloques se completa con una serie de actividades. C. Estudio a nivel de poblaci??n y econom??a de la zona de La Rioja que tiene como eje al r??o y que podr??amos denominar Rioja Media, as?? como una visi??n general de las sierras riojanas. D. Anexos que complementan el estudio y ofrecen ideas para modificar la ruta en inter??s de cada uno. 2. Cuadernillo de fichas de campo: material indispensable para realizar el viaje. Con esta ruta se propone como objetivo: el conocimiento del entorno pr??ximo mediante contacto directo con la realidad, conocer la regi??n, iniciar y desarrollar las actitudes obsevadoras, ampliar el esp??ritu cient??fico del alumno, visi??n de la realidad donde todo esta relacionado y que puede ser observada desde diversos puntos de vista y con t??cnicas distintas. Se debe utilizar una metodolog??a basada en los principios del activismo y la investigaci??n en la que el alumno se sit??e frente a una realidad que tiene que descubrir para comprenderla y transformarla. El proceso metodol??gico se organiza en: 1. Estudio previo de cada uno de los distintos centros de inter??s a trav??s de la observaci??n indirecta, con mapas, gr??ficos, textos, documentos. 2. Observaci??n directa mediante trabajos de campo proponiendo nuevas rutas a tramos de alg??n r??o pr??ximo. 3. Realizaci??n en el aula de un trabajo posterior en el que se recopila lo investigado.

Pol??tica global m??s all?? de lo nacional : reforma educativa (LOMCE) y el r??gimen de estandarizaci??n (OECD)

Resumen tomado de la publicaci??n.

Downscaling of global solar irradiation in R

A methodology for downscaling solar irradiation from satellite-derived databases is described using R software. Different packages such as raster, parallel, solaR, gstat, sp and rasterVis are considered in this study for improving solar resource estimation in areas with complex topography, in which downscaling is a very useful tool for reducing inherent deviations in satellite-derived irradiation databases, which lack of high global spatial resolution. A topographical analysis of horizon blocking and sky-view is developed with a digital elevation model to determine what fraction of hourly solar irradiation reaches the Earth's surface. Eventually, kriging with external drift is applied for a better estimation of solar irradiation throughout the region analyzed. This methodology has been implemented as an example within the region of La Rioja in northern Spain, and the mean absolute error found is a striking 25.5% lower than with the original database.

Analisi e riprogettazione dei processi aziendali in un’azienda di Global Service. Il caso A.C.R. S.p.A.

La tesi tratta dell'analisi e della riprogettazione dei processi in un'azienda di global service. Vengono pertanto illustrati le principali metodologie e teorie riguardanti il process management e gli strumenti di supporto più utilizzati per la modellazione dei processi. Viene inoltre presentato il caso riguardante l'azienda ACR SpA, in cui si è eseguita la riprogettazione dei processi critici al fine di migliorare sensibilmente i principali parametri di performance del sistema. Tale riprogettazione è stata finalizzata all'introduzione di un sistema di document management all'interno delle principali funzioni aziendali, grazie a cui si è potuto razionalizzare e automatizzare i processi ritenuti critici ottenendo una sensibile riduzione dei relativi lead time e costi di processo, quantificata attraverso KPI definiti ad hoc. In conclusione la tesi ha permesso di illustrare con un caso pratico l'applicazione degli strumenti di business process reengineering, evidenziandone i pregi e ribadendo l'importanza della continua ricerca di efficienza all'interno dei processi di business aziendali.

Global Results for Solution to the Mass-Critical Schrödinger Equation with Convolution Nonlinearity in R^n

Георги Венков, Христо Генев - Разглеждаме един клас от L^2 - критични нелинейни уравнения на Шрьодингер в R^(1+n) с конволюционна нелинейност от тип Хартри. Целта ни е да установим локалното и глобално съществуване на решенията, както и коректност на задачата на Коши в достатъчно малка околност на нулата в пространството L^2 (R^n). Като естествено следствие на глобалните резултати ние доказваме съществуване на оператор на разсейване за малки начални условия.

David R. Cole (Hrsg.): Surviving Economic Crises through Education. Global Studies in Education, Vol. 11. New York u.a.: Peter Lang 2011 (267 S.) [Rezension]

Rezension von: David R. Cole (Hrsg.): Surviving Economic Crises through Education. Global Studies in Education, Vol. 11. New York u.a.: Peter Lang 2011 (267 S.; ISBN 978-1433114786)

Convergence Of Soil Nitrogen Isotopes Across Global Climate Gradients.

Quantifying global patterns of terrestrial nitrogen (N) cycling is central to predicting future patterns of primary productivity, carbon sequestration, nutrient fluxes to aquatic systems, and climate forcing. With limited direct measures of soil N cycling at the global scale, syntheses of the (15)N:(14)N ratio of soil organic matter across climate gradients provide key insights into understanding global patterns of N cycling. In synthesizing data from over 6000 soil samples, we show strong global relationships among soil N isotopes, mean annual temperature (MAT), mean annual precipitation (MAP), and the concentrations of organic carbon and clay in soil. In both hot ecosystems and dry ecosystems, soil organic matter was more enriched in (15)N than in corresponding cold ecosystems or wet ecosystems. Below a MAT of 9.8°C, soil δ(15)N was invariant with MAT. At the global scale, soil organic C concentrations also declined with increasing MAT and decreasing MAP. After standardizing for variation among mineral soils in soil C and clay concentrations, soil δ(15)N showed no consistent trends across global climate and latitudinal gradients. Our analyses could place new constraints on interpretations of patterns of ecosystem N cycling and global budgets of gaseous N loss.

Caminhada de pessoas com deficiencia visual em areas naturais : um estudo com auxilio do GPS (Sistema de Posicionamento Global)

Universidade Estadual de Campinas . Faculdade de Educação Física

Global gene expression profile in myelodysplastic syndromes using SAGE

The molecular pathogenesis of myelodysplastic syndromes (MDS) is poorly understood. In order to expand our knowledge of genetic defects in MDS, we determined the overall profile of genes expressed in bone marrow from patients with refractory anemia with excess blasts ( RAEB) by serial analysis of gene expression ( SAGE). The present report describes a partial transcriptome of RAEB bone marrow derived from 56,694 sequenced tags that provides information about expressed gene products. This is the first attempt to determine an overall profile of gene expression specifically in RAEB at diagnosis using SAGE, which should be useful in the understanding of the physiopathology of MDS and in identifying the genes involved.

Cyclic variability of the circumstellar disk of the Be star zeta Tauri II. Testing the 2D global disk oscillation model

Context. About 2/3 of the Be stars present the so-called V/R variations, a phenomenon characterized by the quasi-cyclic variation in the ratio between the violet and red emission peaks of the HI emission lines. These variations are generally explained by global oscillations in the circumstellar disk forming a one-armed spiral density pattern that precesses around the star with a period of a few years. Aims. This paper presents self-consistent models of polarimetric, photometric, spectrophotometric, and interferometric observations of the classical Be star zeta Tauri. The primary goal is to conduct a critical quantitative test of the global oscillation scenario. Methods. Detailed three-dimensional, NLTE radiative transfer calculations were carried out using the radiative transfer code HDUST. The most up-to-date research on Be stars was used as input for the code in order to include a physically realistic description for the central star and the circumstellar disk. The model adopts a rotationally deformed, gravity darkened central star, surrounded by a disk whose unperturbed state is given by a steady-state viscous decretion disk model. It is further assumed that this disk is in vertical hydrostatic equilibrium. Results. By adopting a viscous decretion disk model for zeta Tauri and a rigorous solution of the radiative transfer, a very good fit of the time-average properties of the disk was obtained. This provides strong theoretical evidence that the viscous decretion disk model is the mechanism responsible for disk formation. The global oscillation model successfully fitted spatially resolved VLTI/AMBER observations and the temporal V/R variations in the H alpha and Br gamma lines. This result convincingly demonstrates that the oscillation pattern in the disk is a one-armed spiral. Possible model shortcomings, as well as suggestions for future improvements, are also discussed.