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In this book the reader will find a collection of chapters written by different experts around the world, describing the current research trends in both short- and long-period fiber grating technology. This work is mainly addressed to researchers already working in this area, but it is also accessible to anyone with a scientific background who desires to have an updated overview of the recent progress in this domain. It will also be valuable to scientist and engineers who have become newly involved in this field. Each chapter is self-contained and can be read independently of the others. This book intends to provide highlights of the current research in this area, showing the recent advances in the field of fiber gratings.

Fiber optic cables. --- Fiber optics --- Telecommunication cables --- Applied optics

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Chaque année, l’Institut de recherche sur l’Asie du Sud-Est contemporaine (IRASEC), basé à Bangkok, mobilise une vingtaine de chercheurs et d’experts pour mieux comprendre l’actualité régionale de ce carrefour économique, culturel et religieux, au cœur de l’Indo-Pacifique. Cette collection permet de suivre au fil des ans l’évolution des grands enjeux contemporains de cette région continentale et archipélagique de plus de 680 millions d’habitants, et d’en comprendre les dynamiques d’intégration régionale et de connectivités avec le reste du monde. L’Asie du Sud-Est 2023 propose une analyse synthétique et détaillée des principaux événements politiques et diplomatiques, ainsi que des évolutions économiques, sociales et environnementales de l’année 2022 dans chacun des onze pays de la région. Ce décryptage est complété pour chaque pays par un focus sur deux personnalités de l’année et une actualité marquante en image. L’ouvrage propose également cinq dossiers thématiques qui abordent des sujets traités à l’échelle régionale sud-est asiatique : les ressorts institutionnels de l’approche de santé intégrée One Health, le vieillissement de la population et sa prise en compte par les politiques publiques, les câbles sous-marins au cœur de la connectivité sud-est asiatique, l’aménagement du bassin du Mékong et ses multiples acteurs, et les enjeux politiques et linguistiques des langues transnationales. Des outils pratiques sont également disponibles : une fiche et une chronologie par pays et un cahier des principaux indicateurs démographiques, sociaux, économiques et environnementaux.

Asian Studies --- Political Science --- ASEAN --- demographic dynamics --- demography of Southeast Asia --- One Health --- infectious diseases --- prevention --- submarine cables --- communications --- Mekong River --- dams --- hydropolitics --- language policies --- transnational languages --- coup d’État --- elections --- economic crisis --- climate change --- China --- democratic transition --- ANASE --- démographie de l'Asie du Sud-Est --- dynamique démographique --- maladies infectieuses --- prévention --- câbles sous-marins --- fleuve Mékong --- barrages --- hydropolitique --- politiques linguistiques --- langues transnationales --- coup d'État --- élections --- crise économique --- changement climatique --- Chine --- transition démocratique

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Telecommunication --- Telecommunication. --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- information organization --- information transfer --- communication networks --- Telecomunicació. --- Revistes electròniques. --- Revistes digitals --- Revistes en línia --- Revistes on line --- Revistes per Internet --- Publicacions electròniques --- Revistes --- Indústria de la telecomunicació --- Radiocomunicació --- Telecomunicacions --- Comunicacions --- Cables submarins --- Comunicació audiovisual --- Comunicacions digitals --- Comunicacions òptiques --- Convergència (Telecomunicació) --- Multiplexatge --- Ràdio --- Radiotelegrafia --- Telefax --- Telemàtica --- Teoria matemàtica de la comunicació --- Transmissió de les imatges --- Vídeo a la carta --- Telecomunicació --- Revistes electròniques

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This book comprises ten articles covering different aspects of power quality issues in microgrids and distributed generation (DG) systems, including 1) Detection and estimation of power quality; 2) Modeling; 3) Harmonic control for DG systems and microgrids; 4) Stability improvements for microgrids. Different power quality phenomena and solution were studied in the included papers, such as harmonics, resonance, frequency deviation, voltage sag, and fluctuation. From a network point of view, some papers studied the harmonic and stability issues in standalone microgrids which are more likely to cause power quality problems. Other papers discussed the power quality problems in microgrids which are weakly interconnected with the main distribution grid. In view of the published papers, there is a trend that increasingly advanced modeling, analysis, and control schemes were applied in the studies. Moreover, the latest works focus not only on single-unit problems but also multiple units or network issues. Although some of the hot topics are not included, this book covers multiple aspects of the current power quality research frontier, and represents a particularly useful reference book for frontier researchers in this field.

power quality improvement --- differential feedforward --- weak grid --- data testing --- distributed generations --- voltage-source converter --- dynamic frequency support --- coordinated control --- grid-connection/island switching process --- virtual damping --- PV generation --- virtual inertia --- autonomous microgrid --- optimal virtual resistor --- multi-inverter system --- standalone microgrid --- unscented Kalman filter --- HVDC --- voltage fluctuation --- solar photovoltaic system --- nonlinear dynamic system --- state estimation --- voltage stability --- diesel generator --- voltage control --- multi-time scale --- sliding mode control --- power system simulation --- stability analysis --- grid impedance --- modeling method --- shunt inverter --- voltage compensation --- 2nd-order lowpass filter --- virtual synchronous generator --- microgrid --- output impedance --- hybrid energy storage --- grid-connected inverter --- parameter identification --- wind farm --- frequency stability --- harmonic suppression --- current source mode (CSM) --- voltage source mode (VSM) --- stand-alone microgrid --- frequency control --- vector control --- power quality control --- grid-tied inverter --- submarine cables --- line commutated converter --- reference current compensation --- power quality --- series inverter --- impedance enhancement

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The modern understanding of metal plasticity and fracturing began about 100 years ago, with pioneering work; first, on crack-induced fracturing by Griffith and, second, with the invention of dislocation-enhanced crystal plasticity by Taylor, Orowan and Polanyi. The modern counterparts are fracture mechanics, as invented by Irwin, and dislocation mechanics, as initiated in pioneering work by Cottrell. No less important was the breakthrough development of optical characterization of sectioned polycrystalline metal microstructures started by Sorby in the late 19th century and leading eventually to modern optical, x-ray and electron microscopy methods for assessments of crystal fracture surfaces, via fractography, and particularly of x-ray and electron microscopy techniques applied to quantitative characterizations of internal dislocation behaviors. A major current effort is to match computational simulations of metal deformation/fracturing behaviors with experimental measurements made over extended ranges of microstructures and over varying external conditions of stress-state, temperature and loading rate. The relation of such simulations to the development of constitutive equations for a hoped-for predictive description of material deformation/fracturing behaviors is an active topic of research. The present collection of articles provides a broad sampling of research accomplishments on the two subjects.

dislocation mechanics --- yield strength --- grain size --- thermal activation --- strain rate --- impact tests --- brittleness transition --- fracturing --- crack size --- fracture mechanics --- Hall-Petch equation --- Griffith equation --- size effect --- mechanical strength --- pearlitic steels --- suspension bridge cables --- dislocation microstructure --- fractal analysis --- plasticity --- representative volume element --- dislocation structure --- dislocation correlations --- dislocation avalanches --- nanotwin --- nanograin --- Au–Cu alloy --- micro-compression --- Cu-Zr --- ECAP --- deformation --- quasi-stationary --- subgrains --- grains --- coarsening --- Cu–Zr --- ultrafine-grained material --- dynamic recovery --- transient --- load change tests --- Charpy impact test --- GMAW --- additive manufacturing --- secondary cracks --- anisotropy --- linear flow splitting --- crystal plasticity --- DAMASK --- texture --- EBSD --- crack tip dislocations --- TEM --- grain rotation --- fatigue --- dislocation configurations --- residual stress --- indentation --- serration --- temperature --- dislocation --- artificial aging --- solid solution --- loading curvature --- aluminum alloy --- holistic approach --- dislocation group dynamics --- dynamic factor --- dislocation pile-up --- yield stress --- dislocation creep --- fatigue crack growth rate