Academic literature on the topic 'BEMs rapides'

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Journal articles on the topic "BEMs rapides"

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McCracken, Alexander D., and Godfrey S. Nowlan. "Conodont paleontology and biostratigraphy of Ordovician carbonates and petroliferous carbonates on Southampton, Baffin, and Akpatok islands in the eastern Canadian Arctic." Canadian Journal of Earth Sciences 26, no. 10 (1989): 1880–903. http://dx.doi.org/10.1139/e89-160.

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Carbonate and petroliferous carbonate units ("oil shales") on Southampton, Baffin, and Akpatok islands have yielded a total of 2277 conodonts, the more biostratigraphically useful of which indicate not all units are correlative. The Boas River "shale", the lower of the two petroliferous units on Southampton Island, overlies the Bad Cache Rapids Group and contains a diverse fauna, including elements of Amorphognathus ordovicicus Branson and Mehl. Previous reports have indicated the presence of Culumbodina penna Sweet, a species whose range only barely overlaps that of A. ordovicicus in the midd
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Zhang, Chenchu, Hanchang Ye, Rui Cao, et al. "Rapid fabrication of microrings with complex cross section using annular vortex beams." Chinese Optics Letters 20, no. 2 (2022): 023801. http://dx.doi.org/10.3788/col202220.023801.

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Rodrigues Corrêa Ferreira, Carolina, Lauro Cesar Pinto Fagundes, and Bruna Gonçalves de Souza. "QUALIDADE LOGÍSTICA E SEUS EFEITOS NAS EXPORTAÇÕES MUNDIAIS DE BENS AGRÍCOLAS." Revista Gestão e Desenvolvimento 19, no. 1 (2022): 205–24. http://dx.doi.org/10.25112/rgd.v19i1.2696.

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A qualidade da rede logística é um importante aspecto das relações comerciais entre países, principalmente no caso dos bens agrícolas, pois a rapidez e cuidado na entrega são de extrema importância por sua maior perecibilidade. Assim, esse trabalho tem por objetivo avaliar o impacto da eficiência logística nas exportações de bens agrícolas, no período entre 2007 e 2018, para um grupo de 168 países. Para tanto, propõe a realização de uma análise descritiva de um indicador de eficiência logística e a estimação de uma regressão baseada no modelo gravitacional. A análise descritiva mostrou que os
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Patterson, Thomas E., Yoshitada Sakai, Mark D. Grabiner, et al. "Exposure of murine cells to pulsed electromagnetic fields rapidly activates the mTOR signaling pathway." Bioelectromagnetics 27, no. 7 (2006): 535–44. http://dx.doi.org/10.1002/bem.20244.

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Month, Mel. "Education in a rapidly advancing technology: Accelerators and beams." American Journal of Physics 68, no. 6 (2000): 556–70. http://dx.doi.org/10.1119/1.19484.

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Wu, Ke, Bruno D. Welfert, and Juan M. Lopez. "Librational forcing of a rapidly rotating fluid-filled cube." Journal of Fluid Mechanics 842 (March 13, 2018): 469–94. http://dx.doi.org/10.1017/jfm.2018.157.

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The flow response of a rapidly rotating fluid-filled cube to low-amplitude librational forcing is investigated numerically. Librational forcing is the harmonic modulation of the mean rotation rate. The rotating cube supports inertial waves which may be excited by libration frequencies less than twice the rotation frequency. The response is comprised of two main components: resonant excitation of the inviscid inertial eigenmodes of the cube, and internal shear layers whose orientation is governed by the inviscid dispersion relation. The internal shear layers are driven by the fluxes in the forc
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Trevisani, S., M. Cavalli, and L. Marchi. "Reading the bed morphology of a mountain stream: a geomorphometric study on high-resolution topographic data." Hydrology and Earth System Sciences Discussions 6, no. 6 (2009): 7287–319. http://dx.doi.org/10.5194/hessd-6-7287-2009.

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Abstract. High-resolution topographic data expand the potential of quantitative analysis of the earth surface, improving the interpretation of geomorphic processes. In particular, the morphologies of the channel beds of mountain streams, which are characterised by strong spatial variability, can be analysed much more effectively with this type of data. In the present study, we analysed the aerial LiDAR topographic data of a headwater stream, the Rio Cordon (watershed area: 5 km2), located in the Dolomites (north-eastern Italy). The morphology of the channel bed of Rio Cordon is characterised b
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Trevisani, S., M. Cavalli, and L. Marchi. "Reading the bed morphology of a mountain stream: a geomorphometric study on high-resolution topographic data." Hydrology and Earth System Sciences 14, no. 2 (2010): 393–405. http://dx.doi.org/10.5194/hess-14-393-2010.

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Abstract. High-resolution topographic data expand the potential of quantitative analysis of the earth surface, improving the interpretation of geomorphic processes. In particular, the morphologies of the channel beds of mountain streams, which are characterised by strong spatial variability, can be analysed much more effectively with this type of data. In this study, we analysed the aerial LiDAR topographic data of a headwater stream, the Rio Cordon (watershed area: 5 km2), located in the Dolomites (north-eastern Italy). The morphology of the channel bed of Rio Cordon is characterised by alter
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Rivers, James W., and Matthew G. Betts. "Postharvest Bee Diversity is High but Declines Rapidly with Stand Age in Regenerating Douglas-Fir Forest." Forest Science 67, no. 3 (2021): 275–85. http://dx.doi.org/10.1093/forsci/fxab002.

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Abstract Concerns about long-term pollinator declines have made assessing bee communities a priority in nonagricultural ecosystems, including managed forests. We assessed wild bee communities in Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) stands one to 15 years after clearcut harvest in western Oregon, USA, testing the hypothesis that bee diversity would be high initially and then decline with time-dependent reductions in floral resources. We captured 2,009 individual bees that represented 67 distinct species/morphospecies in 20 genera and five families. Asymptotic estimators of bee div
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Pouderoux, Hugo F., Per K. Pedersen, and Adam B. Coderre. "Fluvial reservoirs stacked in thin deltaic successions of the Lower Cretaceous Grand Rapids Formation, east-central Alberta, Canada." Interpretation 3, no. 4 (2015): T207—T232. http://dx.doi.org/10.1190/int-2014-0100.1.

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The Manatokan Field in east-central Alberta offers a unique opportunity to characterize paralic sandstone reservoirs in 3D using a dense network of well data (approximately [Formula: see text]). Within the [Formula: see text] study area, the 100-m thick Lower Cretaceous Grand Rapids Formation is dominantly composed of sediment deposited in two depositional environments: river-dominated deltas and marine-influenced fluvial rivers. Up to 33 individual fluvial bodies, occurring at five stratigraphic levels and eroding into deltaic parasequences, are identified in the oil-charged upper part of the
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Dissertations / Theses on the topic "BEMs rapides"

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Bagur, Laura. "Modeling fluid injection effects in dynamic fault rupture using Fast Boundary Element Methods." Electronic Thesis or Diss., Institut polytechnique de Paris, 2024. http://www.theses.fr/2024IPPAE010.

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Les tremblements de terre d'origine naturelle ou anthropique provoquent d'importants dégâts humains et matériels. Dans les deux cas, la présence de fluides interstitiels influe sur le déclenchement des instabilités sismiques. Une nouvelle question d'actualité dans la communauté est de montrer que l'instabilité sismique peut être atténuée par un contrôle actif de la pression des fluides. Dans ce travail, nous étudions la capacité des méthodes d'éléments de frontière rapides (Fast BEMs) à fournir un solveur robuste multi-physique à grande échelle nécessaire à la modélisation des processus sismiq
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Kralj, Jasna. "Selection of honey bees with rapid development as a component of Varroa mite resistance." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ33242.pdf.

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Delaney, James Carroll. "Suppression of vapor explosions during rapid quenching of char beds in chemical recovery boilers." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/17780.

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Galvin, Janine E. "On the hydrodynamic description of binary mixtures of rapid granular flows and gas-fluidized beds." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3284494.

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Zara, Henri. "Système d'acquisition vidéo rapide : application à la mécanique des fluides." Saint-Etienne, 1997. http://www.theses.fr/1997STET4012.

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Les systèmes de vision sont aujourd'hui largement employés pour les études expérimentales en mécanique des fluides. Les techniques d'acquisition d'images se heurtent cependant à une limitation technologique concernant la cadence et la résolution des images. De nouveaux capteurs d'images électroniques rapides, mais également certaines méthodes d'exposition permettent d'apporter des solutions à ce problème. Nous présentons dans ce mémoire un système d'acquisition vidéo rapide élaboré autour d'une plate-forme expérimentale de mécanique des fluides. Ce système est constitué en particulier : d'une
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Nemitz, N. "Méthode multipôle rapide et sensibilité topologique pour l'identification approchée de défauts à partir de données de type acoustique." Phd thesis, Ecole Polytechnique X, 2006. http://tel.archives-ouvertes.fr/tel-00120202.

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Contexte.<!--SEC END --><br /> Le but de ce travail est de proposer une contribution au traitement numérique de la detection d'obstacles rigides dans des domaines acoustiques tridimensionnels bornés dont la taille est grande relativement à la longueur d'onde. Ce contexte peut être considéré comme un problème modèle, représentatif de situations physiquement plus complexes associées au contrôle non destructif, et relevant pour ses aspects théoriques de la diffraction inverse. Le contexte de la diffraction inverse présente de nombreuses difficultés sur le plan des méthodes numériques, et une gran
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Velpula, Praveen Kumar. "High aspect ratio sub-micron structuring of transparent materials using non-diffractive ultrafast laser beams : dynamics and interaction regimes." Thesis, Saint-Etienne, 2015. http://www.theses.fr/2015STET4005/document.

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Cette thèse se concentre sur la contrôlabilité de l'indice de réfraction au niveau sub-micronique par changements d'indice induits par laser sur de longues dimensions i.e., avec des hauts rapports d'aspect élevés et des sections à l'échelle nanométrique. À cette fin, nous explorons les faisceaux ultracourts de Bessel non-diffractifs d'ordre zéro et les facteurs qui contribuent au confinement de l'énergie au-delà de la limite de diffraction. Le traitement par laser de matériaux transparents à l'aide de faisceaux non diffractifs offre un avantage important pour les structures sub-microniques en
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Alarcón, Díez Víctor. "Development of charged particle detection systems for materials analysis with rapid ion beams : large solid angle detectors and numerical nuclear pulse processing." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066489/document.

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Cette thèse présente de nouveaux développements en détection de particules chargées et traitement tout-numérique d'impulsions pour application à l'analyse avec des faisceaux d'ions rapides (IBA). Un ensemble de 16 détecteurs gravés sur une puce de Si est mis en œuvre, ce qui fournit un angle solide de détection environ 100 fois plus grande que celle des détecteurs utilisés auparavant pour l'IBA. Seize chaines d'acquisition sont également mises en œuvre avec une approche 'tout-numérique' pour le traitement des signaux issus des détecteurs. Dans son ensemble, le système ainsi développé a une rés
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Alarcón, Díez Víctor. "Development of charged particle detection systems for materials analysis with rapid ion beams : large solid angle detectors and numerical nuclear pulse processing." Electronic Thesis or Diss., Paris 6, 2016. http://www.theses.fr/2016PA066489.

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Cette thèse présente de nouveaux développements en détection de particules chargées et traitement tout-numérique d'impulsions pour application à l'analyse avec des faisceaux d'ions rapides (IBA). Un ensemble de 16 détecteurs gravés sur une puce de Si est mis en œuvre, ce qui fournit un angle solide de détection environ 100 fois plus grande que celle des détecteurs utilisés auparavant pour l'IBA. Seize chaines d'acquisition sont également mises en œuvre avec une approche 'tout-numérique' pour le traitement des signaux issus des détecteurs. Dans son ensemble, le système ainsi développé a une rés
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Hernández, Cubero Óscar Rubén. "Méthodes optiques innovantes pour le contrôle rapide et tridimensionnel de l’activité neuronale." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB005.

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La révolution en cours des outils optogénétiques - des protéines photosensibles génétiquement induites qui peuvent activer, inhiber et enregistrer l'activité neuronale - a permis d'ouvrir une nouvelle voie pour relier l'activité neuronale et la cognition. Néanmoins, pour profiter au mieux de ces outils nous avons besoin de méthodes optiques qui peuvent projeter des schémas d'illumination complexes dans le cerveau. Pendant mon doctorat, j'ai travaillé sur deux nouveaux systèmes complémentaires pour la stimulation de l'activité neuronale. Le premier système combine des déflecteurs acousto-optiqu
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Books on the topic "BEMs rapides"

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Sexton, Cornelius L. Rapid alloy scanning by laser cladding. Shaker, 1995.

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G, Hieber David, Washington (State). Dept. of Transportation., United States. Federal Highway Administration., United States. National Technical Information Service., Washington State Transportation Center, and Washington State Transportation Commission, eds. State-of-the-art report on precast concrete systems for rapid construction of bridges. Washington State Dept. of Transportation, 2005.

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G, Hieber David, Washington (State). Dept. of Transportation., Washington State Transportation Center, and Washington State Transportation Commission, eds. State-of-the-art report on precast concrete systems for rapid construction of bridges. Washington State Dept. of Transportation, 2005.

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Albrecht, Eduardo. Political Automation. Oxford University Press, 2025. https://doi.org/10.1093/9780197696989.001.0001.

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Abstract Governments, once staffed exclusively with human bureaucrats, now routinely use AI-based software to gather information about citizens and make decisions that impact their lives. In many nations, AI determines the level of privacy a person can enjoy, how far they can travel, what public benefits they may receive, and what they can and cannot say publicly. This amounts to a phenomenon of political automation rapidly materializing globally and begs the question: What input do citizens have in how these machines think? The book explores this question in various domains—including policing
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The effects of rapid heating of soot: Implications when using laser-induced incandescence for soot diagnostics. National Aeronautics and Space Administration, 1995.

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The effects of rapid heating of soot: Implications when using laser-induced incandescence for soot diagnostics. National Aeronautics and Space Administration, 1995.

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McPhee, Daryl. Environmental History and Ecology of Moreton Bay. CSIRO Publishing, 2017. http://dx.doi.org/10.1071/9781486307227.

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The south-east Queensland region is currently experiencing the most rapid urbanisation in Australia. This growth in human population, industry and infrastructure puts pressure on the unique and diverse natural environment of Moreton Bay. Much loved by locals and holiday-goers, Moreton Bay is also an important biogeographic region because its coral reefs, seagrass beds, mangroves and saltmarshes provide a suitable environment for both tropical and temperate species. The bay supports a large number of species of global conservation significance, including marine turtles, dugongs, dolphins, whale
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Lardas, Mark. US Navy Pacific Fleet 1941. Bloomsbury Publishing Plc, 2024. http://dx.doi.org/10.5040/9781472859495.

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The first book to examine the battleship-led 1941 Pacific Fleet as it was intended to fight. Packed with illustrations, this study explains how the US Navy saw the approaching war unfolding. When the Japanese attacked Pearl Harbor, the Pacific Fleet was the most powerful in the US Navy. It was still dominated by battleships, but since the late 1930s had been developing naval aviation and integrating them with its battleship-led doctrine. This book is the first to examine the Pacific Fleet as it was intended to fight, and how it had been training and preparing in the months leading up to Decemb
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Golper, Thomas A., Andrew A. Udy, and Jeffrey Lipman. Drug dosing in acute kidney injury. Edited by William G. Bennett. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0364.

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Drug dosing in acute kidney injury (AKI) is one of the broadest topics in human medicine. It requires an understanding of markedly altered and constantly changing physiology under many disease situations, the use of the drugs to treat those variety of diseases, and the concept of drug removal during blood cleansing therapies. Early in AKI kidney function may be supraphysiologic, while later in the course there may be no kidney function. As function deteriorates other metabolic pathways are altered in unpredictable ways. Furthermore, the underlying disorders that lead to AKI alter metabolic pat
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Burns, Tom, and John Foot, eds. Basaglia's International Legacy: From Asylum to Community. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198841012.001.0001.

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Italian Law 180 of 1978 is probably the most radical Mental Health Act ever passed. It forbade the admission of any new patients to mental hospitals forthwith and called for the rapid closure of such institutions. The Law crowned the work of the charismatic Italian psychiatrist Franco Basaglia and his ‘Democratic Psychiatry’ movement. The Italian reforms resulted in arguably the lowest number of psychiatric beds in any developed country, and have been widely debated and emulated. They have been adopted enthusiastically by several Mediterranean and South American countries. However, the impleme
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Book chapters on the topic "BEMs rapides"

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Kleppner, Daniel. "Our Enduring Legacy from Otto Stern." In Molecular Beams in Physics and Chemistry. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63963-1_7.

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Faubel, Manfred. "Liquid Micro Jet Studies of the Vacuum Surface of Water and of Chemical Solutions by Molecular Beams and by Soft X-Ray Photoelectron Spectroscopy." In Molecular Beams in Physics and Chemistry. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63963-1_26.

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AbstractLiquid water, with a vapor pressure of 6.1 mbar at freezing point, is rapidly evaporating in high vacuum, rapidly cooling off by the evaporative cooling, and is freezing to ice almost instantly. Nevertheless, liquid water free vacuum surfaces can be prepared for short instances when injecting very small, fast flowing, liquid jets into high vacuum. They provide perfectly suited targets for molecular beams analysis of molecular evaporation of monomers and dimers from liquids. Also, the microjet technology allows ultrahigh vacuum studies of atomic scale liquid surface composition and electronic structures, as will be demonstrated by using highly focused Synchrotron radiation for EUV/XUV-photoelectron spectrocopy on a wide range of chemical solutions.
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Krassowska, Julita, and Marta Kosior-Kazberuk. "Serviceability Limit State of Fiber Reinforced Concrete Beams with BFPB Bars and Stirrups." In Springer Proceedings in Materials. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-72955-3_44.

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AbstractThe work analyzes the serviceability ultimate limit state of 4.5 m long fiber-reinforced concrete beams with basalt bars and stirrups (BFRP). On the basis of previous tests, deformations in beams with composite reinforcement are above acceptable values. Beams were made of concrete with basalt fibers to improve deformability, cracks resistance and deflection. The tests showed that the load capacity of beams reinforced with BFRP bars was lower than that of beams with steel reinforcement, resulting from different failure mechanisms of both beams. The failure of beams with BFRP reinforcement was rapid. Deformations in the concrete were reduced by using basalt fibers in the concrete. Increasing the stiffness of the structure with reinforcement with BFRP bars and stirrups using concrete with basalt fibers can meet the SLS requirements for limiting the deflection and cracking of concrete elements reinforced with them.
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Mencek, H., and R. Soylu. "Systematic and Rapid Construction of Test Beds for Planar Mechanism." In New Trends in Mechanism and Machine Science. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09411-3_30.

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Yuan, Chao, Feng Li, Min Wang, and Fei Tian. "Research on Key Technology of Rapid Integrated Construction of Fully Prefabricated Rigid Frame Bridge." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_19.

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AbstractBased on the reconstruction and expansion project of an expressway, a set of rapid construction technology for integrated erection of fully prefabricated rigid frame bridges is proposed, which solves the problems of unmatched work efficiency of each working face in the conventional integrated bridge erectors and long construction period of traditional suspension assembly technology. This method realizes the rapid construction of this type of bridges in highly urbanized areas. In this method, a new bridge girder integrated erection machine is used to synchronously install precast segmental beams, pier top blocks and precast pier column. At the same time, precast segmental beams near the middle pier are assembled by conventional cantilever assembly method, and the installation method of the precast segmental beams near the transition pier is optimized from the half span suspension assembly method to the cantilever assembly method by temporarily fixing the pier top block and arranging temporary prestressed tendons. This new integrated construction method improves the construction efficiency from 39.5d/unit to 32d/unit, and reduces the interference to traffic and environment.
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Ehsani, M. "Rapid repair of bridge beams and decks with prefabricated FRP panels." In Bridge Maintenance, Safety, Management, Digitalization and Sustainability. CRC Press, 2024. http://dx.doi.org/10.1201/9781003483755-474.

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Ries, Christoph, Virginia Wasem, Dorothea Karrer, Corinne John, and Regine Eibl. "A New Approach for Rapid Development of Spodoptera frugiperda/BEVS-Based Processes." In Proceedings of the 21st Annual Meeting of the European Society for Animal Cell Technology (ESACT), Dublin, Ireland, June 7-10, 2009. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0884-6_111.

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Ries, Christoph, Corinne John, and Regine Eibl. "A New Scale-Down Approach for the Rapid Development ofSf21/BEVS-Based Processes-A Case Study." In Single-Use Technology in Biopharmaceutical Manufacture. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470909997.ch17.

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Huntley, David, Drew Rotheram-Clarke, Kelvin Sattler, and David Elwood. "Surficial Geology and Geomorphology of the North Slide, Thompson River Valley, British Columbia, Canada: Application of Fundamental Geoscience Information to Interpretations of Geospatial Monitoring Results." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44296-4_10.

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AbstractOur study focuses on a slow-moving landslide in the Thompson River valley, south-central British Columbia, Canada, that has posed a hazard to the national railway transportation corridor since 1880. Real-time kinematic global navigation satellite systems, unoccupied aerial vehicles, and satellite synthetic aperture radar interferometry time-series show significant displacement encroaching on railway infrastructure. In this paper, geospatial relationships between landslide distribution and specific terrain features, and the environmental conditions triggering instability are determined from field-based geological observations. We describe how earth material stratigraphy, textures, and penetrative planar structures are important controls on sub-surface drainage, and how these factors influence the style, timing, and rate of slope displacement. West of the railway tracks, slide scarps extend across the toe slope, corresponding to narrow zones of high displacement, presence of perennial springs and seepage, and cutbank erosion along the river channel. Fluvial incision exposes weak, failure-prone units at the base of the fill sequence, and with ongoing channel migration promotes instability by altering landslide toe geometry. Currently, the zone of potential displacement does not extend upslope into the inactive (1880) main slide body, east of the tracks. Seasonal variations in hydrogeological conditions influence the spatial and temporal patterns of surface water and groundwater flow, in turn controlling the distribution of translational-rotational displacement of slide blocks, and rates of movement on reactivated shear surfaces that extend under Thompson River. Slope failure occurs along weak, sub-horizontal shear zones within poorly drained glaciolacustrine clay and silt units, overlain by rapidly drained glaciofluvial outwash gravel, and imperfectly drained till diamicton. River levels exert a complex control on landslide stability, influencing hydraulic gradients within the basal glaciolacustrine unit, particularly along rupture surfaces within it. Ground displacement occurs while river levels are at their lowest between February and March, before peak flows in June, or after July until December while storm-fed river levels progressively lower to the next winter minimum. Groundwater levels remain elevated in the slide body throughout the year, contained in porous gravel and sand beds, and along brittle fractures and sub-horizonal shear zones in silt-clay varve beds. Geospatial and temporal change-detection monitoring of active landslides and at-risk infrastructure, when benchmarked with terrain and hydrogeological observations, is a cost-effective hazard management practice that provides important geoscience information to help develop appropriate early warning, mitigation, adaptation, and risk reduction measures.
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Franke, Jörg, Peter Wasserscheid, Thorsten Ihne, Peter Lamp, Jürgen Guldner, and Oliver Zipse. "The Power of Technological Innovation." In Road to Net Zero. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42224-9_8.

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AbstractAchieving the urgent need for rapid decarbonization to meet the 1.5 °C target requires disruptive technological change. In the automotive industry, technological progress is closely linked to improved sustainability, and sustainability goals drive the need for technological innovation. However, new technologies in the mobility sector are fraught with uncertainties that challenge both original equipment manufacturers (OEMs) and their stakeholders, such as suppliers, customers, and policy-makers. Therefore, this chapter focuses on the technical, economic, and environmental evaluation of alternative powertrain concepts and the management of uncertainties associated with emerging technological innovation as part of the broader transition to net zero.Electric mobility plays a central role in the sustainability transition and is characterized by a high degree of variance. Battery electric vehicles (BEVs) are expected to dominate private transport in the future due to their greenhouse gas and pollutant-free operation and high efficiency. In addition to charging infrastructure, the technical challenges currently lie primarily in cell chemistry and power electronics. Advances in battery technology and infrastructure electrification will help eliminate the range problem in the future. Another important future fuel is hydrogen. One application is the fuel cell vehicle, which combines the advantages of a chemical energy carrier with high gravimetric energy density with those of an electrical energy converter. Hydrogen also plays an important role as an energy carrier for specific energy supply processes in manufacturing processes and simplifies the transport of regeneratively generated energy. In addition, hybrid vehicles are a transitional technology, and alternative fuel internal combustion engines can contribute to the decarbonization of the existing fleet and to specific applications.This chapter assesses the performance of alternative powertrains; highlights the interrelationship between powertrain systems, energy ecosystems, and sustainability goals; and identifies future research directions for electric and hydrogen mobility.
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Conference papers on the topic "BEMs rapides"

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Kozawa, Yuichi. "Rapid volumetric imaging utilizing structured light beams." In Holography, Diffractive Optics, and Applications XIV, edited by Changhe Zhou, Liangcai Cao, Ting-Chung Poon, and Hiroshi Yoshikawa. SPIE, 2024. http://dx.doi.org/10.1117/12.3035429.

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Ye, Jiachi, Haoyan Kang, Belal Jahannia, et al. "Using Hybrid Optical-Electronic Neural Network for Demultiplexing Multiplexed Orbital Angular Momentum Beams." In 2024 IEEE Research and Applications of Photonics in Defense Conference (RAPID). IEEE, 2024. http://dx.doi.org/10.1109/rapid60772.2024.10646945.

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Reding, J. T., C. J. Mudd, G. L. Mussinelli, and M. Tettamanti. "Computer Aided Design of Impressed Current Cathodic Protection Ground Beds." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89406.

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Abstract The goal of impressed current ground bed design is to choose the dimensions of the coke backfill column and the type, number, and spacing of anodes within the coke column to provide a desired current at a desired voltage for an extended time period. This paper discusses the factors that must be considered in ground bed design and demonstrates personal computer software that rapidly designs ground beds. The software can be used for deep, shallow horizontal, and shallow vertical ground bed designs. The designs can use LIDA* tubular mixed metal oxide activated titanium, graphite, or high
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Yunlong, Xu, Zhou Junlong, Cao Haiqing, and Li Jiaquan. "Rebar corrosion and concrete cracking of corrugated steel web beams in chloride environment." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0651.

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&lt;p&gt;This article establishes numerical models, analyzes corrosion damage mechanisms, and predicts the structural service life for the corrugated steel web bridge engineering in the chlorine salt environment. The aim is to comprehensively evaluate its corrosion resistance and safety, and formulate corresponding maintenance measures accordingly. The results indicate that rapid diffusion of chloride ions occurs during the initial stage of simulation, and after 50 years, there is little change in the distribution of chloride ion content within the corrugated steel web beam. The corrosion dept
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Tayyab, Muhammad A., Eduard Muljadi, and Zerui Dong. "Harnessing the Rapid Response of Grid-Forming Bess in Tandem with Substantial Storage Capacity of Conventional Pumped Storage Hydropower." In 2024 IEEE Industry Applications Society Annual Meeting (IAS). IEEE, 2024. https://doi.org/10.1109/ias55788.2024.11023671.

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Ellor, James A. "Electrostatic Modeling of Cathodic Protection Systems." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06108.

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Abstract The following paper provides a method to estimate current distribution of cathodic protection systems using a simple electrostatic model in a common spreadsheet. The model is intended to allow for a rapid analysis of current distribution, polarization, and circuit resistance without having to resort to more complex BEM-type tools. The model is based on the representation of anodes and cathodes by simple charges.
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Hooi, Chin. "Design, Rapid Prototyping and Testing of a Ducted Fan Micro-Quadcopter." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9429.

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This paper discusses recent results toward the design, rapid prototyping and testing of a ducted microquadcopter. Mobility and convenience objectives of this work dictate that the quadcopter must fit into a pocket, be capable of shooting high-definition videos and pictures, be controllable through a smartphone application, have a rotor diameter of 7cm and weigh approximately 300 g. Previous designs have rotor dimensions of 25 cm or more as well as airframe width and length of 75 cm and above. Aerodynamically, the ducted fan design is analyzed through Momentum Theory and Blade Element Momentum
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Free, J., K. Morgan, J. K. Miller, Kunjian Dai, R. J. Watkins, and E. G. Johnson. "Rapidly Reconfigurable Pulsed Higher Order Bessel Beams." In Frontiers in Optics. OSA, 2020. http://dx.doi.org/10.1364/fio.2020.fw1a.5.

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Sivasubramanian, Balaji, and Daewon Kim. "Effects of Rapid Change in Temperature on Ultrasonic Guided Lamb Wave Propagation." In ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3173.

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The usage of ultrasonic guided Lamb wave approach in structural health monitoring has been prevalent and proven to be an effective method. During flight, aircraft or spacecraft structures sometimes experience rapid temperature changes. The propagation of guided Lamb waves can be affected by these abrupt changes. In this paper, the effects of rapid temperature variation, due to which a sharp temperature gradient is achieved, on the propagation of guided Lamb waves through aluminum and composite beams are compared. The heating and cooling cycles for gradual temperature changes are firstly obtain
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Gregory, Stephen. "Monolayer Film Properties Measurements Using High Q Graphite Fibers." In Microphysics of Surfaces, Beams, and Adsorbates. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/msba.1987.wb2.

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Although the field of surface analysis continues to grow rapidly, it remains true that mechanical properties of films are not easily studied. Indeed, when the films are one to a few monolayers thick, the very definitions of mechanical properties are in question.
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Reports on the topic "BEMs rapides"

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Hefetz, Abraham, and Justin O. Schmidt. Use of Bee-Borne Attractants for Pollination of Nonrewarding Flowers: Model System of Male-Sterile Tomato Flowers. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586462.bard.

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The use of bee natural product for enhancing pollination is especially valuable in problematic crops that are generally avoided by bees. In the present research we attempted to enhance bee visitation to Male Sterile (M-S) tomato flowers generally used in the production of hybrid seeds. These flowers that lack both pollen and nectar are unattractive to bees that learn rapidly to avoid them. The specific objects were to elucidate the chemical composition of the exocrine products of two bumble bee species the North American Bombus impatiens and the Israeli B. terrestris. Of these, to isolate and
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Bank, Lawrence C., Anthony J. Lamanna, James C. Ray, and Gerardo I. Velazquez. Rapid Strengthening of Reinforced Concrete Beams with Mechanically Fastened, Fiber-Reinforced Polymeric Composite Materials. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada400415.

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Renk, Timothy, Bob Turman, Donna Senft, et al. Rapid Melt and Resolidification of Surface Layers Using Intense, Pulsed Ion Beams Final Report. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/703.

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Bloch, G., and H. S. Woodard. regulation of size related division of labor in a key pollinator and its impact on crop pollination efficacy. United States-Israel Binational Agricultural Research and Development Fund, 2021. http://dx.doi.org/10.32747/2021.8134168.bard.

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Despite the rapid increase in reliance on bumble bees for food production and security, there are many critical knowledge gaps in our understanding of bumble bee biology that limit their colony production, commercial management, and pollination services. Our project focuses on the social, endocrine, and molecular processes regulating body size in the two bumble bee species most important to agriculture: Bombus terrestris in Israel, and B. impatiens in the USA. Variation in body size underline both caste (queen/worker) differentiation and division of labor among workers (foragers are typically
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Bhatt, Mihir R., Shilpi Srivastava, Megan Schmidt-Sane, and Lyla Mehta. Key Considerations: India's Deadly Second COVID-19 Wave: Addressing Impacts and Building Preparedness Against Future Waves. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/sshap.2021.031.

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Since February 2021, countless lives have been lost in India, which has compounded the social and economic devastation caused by the second wave of COVID-19. The sharp surge in cases across the country overwhelmed the health infrastructure, with people left scrambling for hospital beds, critical drugs, and oxygen. As of May 2021, infections began to come down in urban areas. However, the effects of the second wave continued to be felt in rural areas. This is the worst humanitarian and public health crisis the country has witnessed since independence; while the continued spread of COVID-19 vari
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