Bibliographies thématiques / Coupling methodologies

Littérature scientifique sur le sujet « Coupling methodologies »

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Publié le 18 mai 2024

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Articles de revues sur le sujet "Coupling methodologies"

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Brandmeyer, Jo Ellen, et Hassan A. Karimi. « Coupling methodologies for environmental models ». Environmental Modelling & ; Software 15, no 5 (juillet 2000) : 479–88. http://dx.doi.org/10.1016/s1364-8152(00)00027-x.

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Tollit, Brendan, Alan Charles, William Poole, Andrew Cox, Glynn Hosking, Ben Lindley, Peter Smith, Andy Smethurst et Jean Lavarenne. « WHOLE CORE COUPLING METHODOLOGIES WITHIN WIMS ». EPJ Web of Conferences 247 (2021) : 06006. http://dx.doi.org/10.1051/epjconf/202124706006.

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The ANSWERS® WIMS reactor physics code is being developed for whole core multiphysics modelling. The established neutronics capability for lattice calculations has recently been extended to be suitable for whole core modelling of Small Modular Reactors (SMRs). A whole core transport, SP3 or diffusion flux solution is combined with fuel assembly resonance shielding and pin-by-pin differential depletion. An integrated thermal hydraulic solver permits differential temperature and density variations to feedback to the neutronics calculation. This paper presents new methodology developed in WIMS to couple the core neutronics to the integrated core thermal hydraulics solver. Two coupling routes are presented and compared using a challenging PWR SMR benchmark. The first route, called GEOM, dynamically calculates the resonance shielding and homogenisation with the whole core flux solution. The second coupling route, called CAMELOT, separates the resonance shielding and pincell homogenisation from the whole core solution via generating tabulated cross sections. Both routes can use the MERLIN homogenised pin-by-pin whole core flux solver and couple to the same integrated thermal hydraulic solver, called ARTHUR. Heterogeneous differences between the neutronics and thermal hydraulics are mapped via thermal identifiers for neutronics materials and thermal regions. The ability for the integrated thermal hydraulic solver to call an external code via a Fortran-C-Python (FCP) interface is also summarised. This flexible external coupling permits one way coupling to an external fuel performance code or two way coupling to an external thermal hydraulic code.
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Ribas, Xavi, et Imma Güell. « Cu(I)/Cu(III) catalytic cycle involved in Ullmann-type cross-coupling reactions ». Pure and Applied Chemistry 86, no 3 (20 mars 2014) : 345–60. http://dx.doi.org/10.1515/pac-2013-1104.

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Abstract Copper-catalyzed cross-coupling reactions for C–heteroatom bond formation have attracted numerous research groups in the past 15 years aiming at finding more efficient methodologies under milder conditions. The use of auxiliary ligands has tremendously improved Ullmann-type couplings although a general methodology for different heteroatom-nucleophiles is still lacking. Mechanistic insights are seen as a clue for designing new effective, broad-scope and general methodologies. In this review we describe the widely discussed mechanistic options for this reaction and the use of model compounds to unravel key mechanistic aspects for copper-catalyzed C–heteroatom transformations. Stable aryl-Cu(III) species in model systems are shown to be reliable active catalysts in the coupling of a broad nucleophile scope such as phenols, amides, sulfides, selenides, phosphites, halides and also activated methylene susbtrates for carbon–carbon couplings.
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Farhi, Jonathan, Ioannis N. Lykakis et George E. Kostakis. « Metal-Catalysed A3 Coupling Methodologies : Classification and Visualisation ». Catalysts 12, no 6 (15 juin 2022) : 660. http://dx.doi.org/10.3390/catal12060660.

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The multicomponent reaction of aldehydes, amines, and alkynes, known as A3 coupling, yields propargylamines, a valuable organic scaffold, and has received significant interest and attention in the last years. In order to fully realise the potential of the metal-based catalytic protocols that facilitate this transformation, we summarise substrates, in situ and well-characterised synthetic methods that provide this scaffold and attempt a monumental classification considering several variables (Metal, Coordinating atom(s), Ligand type and name, in-situ or well-characterised, co-catalyst, catalyst and ligand Loading (mol%), solvent, volume, atmosphere, temperature, microwave, time, yield, selectivity (e.e. d.r.), substrate name, functionality, loading (amines, aldehydes, alkynes), and use of molecular sieves). This pioneering work creates a valuable database that contains 2376 entries and allows us to produce graphs and better visualise their impact on the reaction.
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Hubbard, Amber M., Yixin Ren, Dominik Konkolewicz, Alireza Sarvestani, Catalin R. Picu, Gary S. Kedziora, Ajit Roy, Vikas Varshney et Dhriti Nepal. « Vitrimer Transition Temperature Identification : Coupling Various Thermomechanical Methodologies ». ACS Applied Polymer Materials 3, no 4 (4 mars 2021) : 1756–66. http://dx.doi.org/10.1021/acsapm.0c01290.

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Terra, Bruna S., et Fernando Macedo. « Progress in the intermolecular pinacol cross coupling methodologies ». Arkivoc 2012, no 1 (11 décembre 2011) : 134–51. http://dx.doi.org/10.3998/ark.5550190.0013.104.

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Hof, Fraser, Michael Schär, Denise M Scofield, Felix Fischer, François Diederich et Sergey Sergeyev. « Preparation ofTröger Base Derivatives by Cross-Coupling Methodologies ». Helvetica Chimica Acta 88, no 8 (août 2005) : 2333–44. http://dx.doi.org/10.1002/hlca.200590168.

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Terra, Bruna S., et Jr Macedo Fernando. « ChemInform Abstract : Progress in Intermolecular Pinacol Cross-Coupling Methodologies ». ChemInform 43, no 16 (22 mars 2012) : no. http://dx.doi.org/10.1002/chin.201216251.

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Miyake, Garret, Bin Liu et Chern-Hooi Lim. « Transition-Metal-Free, Visible-Light-Promoted C–S Cross-Coupling through Intermolecular Charge Transfer ». Synlett 29, no 19 (8 août 2018) : 2449–55. http://dx.doi.org/10.1055/s-0037-1610230.

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C–S cross-couplings are an important class of reactions ­applied across organic synthesis, materials science, and pharma­ceuticals. Several different methodologies have been developed to achieve this significant transformation. However, currently available synthetic procedures significantly rely on transition metals. This article describes historical developments in the field of transition-metal-catalyzed C–S cross-coupling reactions, the development of a visible-light-driven and catalyst-free approach to C–S bond formation, and future outlooks.
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Andrade, Marta A., et Luísa M. D. R. S. Martins. « New Trends in C–C Cross-Coupling Reactions : The Use of Unconventional Conditions ». Molecules 25, no 23 (24 novembre 2020) : 5506. http://dx.doi.org/10.3390/molecules25235506.

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The ever-growing interest in the cross-coupling reaction and its applications has increased exponentially in the last decade, owing to its efficiency and effectiveness. Transition metal-mediated cross-couplings reactions, such as Suzuki–Miyaura, Sonogashira, Heck, and others, are powerful tools for carbon–carbon bond formations and have become truly fundamental routes in catalysis, among other fields. Various greener strategies have emerged in recent years, given the widespread popularity of these important reactions. The present review comprises literature from 2015 onward covering the implementation of unconventional methodologies in carbon–carbon (C–C) cross-coupling reactions that embodies a variety of strategies, from the use of alternative energy sources to solvent- free and green media protocols.
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Thèses sur le sujet "Coupling methodologies"

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Oliveira, Hugo Miguel Rodrigues Cunha. « Automatic Methodologies for Environmentally Friendly Processing of Samples and Coupling to Liquid Chromatography ». Doctoral thesis, Faculdade de Farmácia da Universidade do Porto, 2009. http://hdl.handle.net/10216/63802.

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Oliveira, Hugo Miguel Rodrigues Cunha. « Automatic Methodologies for Environmentally Friendly Processing of Samples and Coupling to Liquid Chromatography ». Tese, Faculdade de Farmácia da Universidade do Porto, 2009. http://hdl.handle.net/10216/63802.

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Mondal, Biswajit. « Novel pd-catalyzed carbon-carbon and carbon-heteroatom cross coupling reactions towards the synthesis of diverse functional molecules ». Thesis, University of North Bengal, 2021. http://ir.nbu.ac.in/handle/123456789/4373.

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Saurí, i. Jiménez Josep. « Modern NMR methodologies for the measurement of homo- and heteronuclear coupling constants in small molecules ». Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/284051.

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La present tesis doctoral està basada en el desenvolupament de noves metodologies de RMN per la mesura de constants d’acoblament homo- i heteronuclears en molècules petites. La tesi es presenta com a compendi de publicacions d’articles de recerca que han estat publicats en diferents revistes científiques. El punt de partida està basat en l’experiència i coneixement previ del nostre grup de recerca en aquest camp. S’ha pres com a referència principal l’experiment selHSQMBC, al qual s’hi han implementat noves funcions per tal de dissenyar un conjunt de noves metodologies capaces de resoldre els principals problemes que afecten aquest tipus de mesures. En la majoria de casos s’ha utilitzat la metodologia IPAP per tal d’aconseguir una mesura més exacte. A la vegada, el patró E.COSY, així com el concepte de espectroscòpia J-resolt, s’han implementat conjuntament amb la metodologia IPAP per tal d’obtenir una mesura simultània de diferents constants d’acoblament en un sol experiment de RMN. Tanmateix, també es descriuen nous avenços en la mesura de constants d’acoblament protó-carboni a un enllaç, així com constants d’acoblament protó-protó a dos enllaços en grups metilens diastereotòpics. Cada nou experiment s’analitza des d’un punt de vista metodològic alhora que s’avalua la seva aplicabilitat. La tesi s’ha dividit en cinc apartats. En el primer d’ells es fa una introducció general per situar el lector. Al segon capítol es descriuen els objectius principals. El tercer capítol, i més rellevant, conté les diferents publicacions presentades com a resultats i discussió. El quart capítol conté dos apèndixs diferents que no s’han pogut incloure com a publicacions degut a que encara es troben en preparació. Finalment, l’últim capítol conté les conclusions generals del treball.
The present doctoral thesis is focused on the development of modern NMR methodologies for the measurement of homo- and heteronuclear coupling constants in small molecules. The thesis is presented as a compendium of publications that have been published in different scientific journals as original research papers. The starting point was the previous experience and knowledge of our research group. Taking as a reference the selHSQMBC experiment, several new features have been implemented in order to design a complete set of different methodologies that allow us to overcome some of the most typical drawbacks regarding such measurements. In most of the cases the IPAP methodology is used to achieve an accurate measurement. A spin-state selective technique like the E.COSY pattern, as well as the concept of J-resolved spectroscopy, are implemented in conjunction with the IPAP methodology to obtain simultaneous measurement of several coupling constants in a single-shot NMR experiment. Moreover, advances in the measurement of one-bond proton-carbon and germinal proton-proton coupling constants in diastereotopic methylene groups are also presented. Each new experiment is theoretically discussed from a methodological point of view and an assessment on its application is also performed. The thesis is divided in five chapters. In the first one a general introduction is presented in order to situate the reader. In the second chapter main objectives of the thesis are described. The third section is the main chapter which collects all the publications presented as results and discussion. The fourth chapter contains two different appendixes with the results that could not be included as original research papers because they are still in preparation. Finally, last chapter contains general conclusions of the work.
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Bell, Christan Elizabeth. « Synthesis and Reactivity of New Organoboron Reagents and Development of New Methodologies for the Generation of Novel Drug-Like Scaffolds ». Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/265557.

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This research focused on the synthesis of novel ogranoboron reagents in efforts to perform a variety of synthetic transformations, and additionally, the development of new methodologies to generate drug-like scaffolds. Initially, three novel tripod ligands were synthesized, and two were effectively chelated to boron to provide the desired organoborates. Such organoborates were employed in nucleophilic additions where they were found to be ineffective, whereas some activity was observed in Suzuki-Miyaura cross-coupling reactions. An additional project on organoboron compounds was conducted and focused on the development of organoboron frustrated Lewis pairs (FLPs) to facilitate the storage and transfer of hydrogen, nucleophilic addition reactions, and Claisen rearrangements. A new method for synthesizing a pyrrolidine diol unit was accomplished, and this intermediate was utilized to synthesize two FLPs. The reactivity of the FLPs with small molecules was assessed, and the pyrrolidine diol unit was subsequently evaluated for its ability to undergo a multicomponent reaction (MCR) to yield compounds possessing beneficial biological activity. Further research in this area was conducted, and a 5-aminoimidazole scaffold was synthesized employing a new MCR which is more efficient than previously reported methodologies. 5-Aminoimidazoles are frequently found in compounds which possess desirable biological activity, and this novel method was employed to generate a library of eleven 5-aminoimidazoles. Additionally, two post condensation modification reactions were developed. During initial studies, a side product was observed which was identified as a dihydrotriazine, which is another biologically appealing chemotype. Therefore, an enhanced method of synthesizing this product was developed, and a library of eleven dihydrotriazines was produced. In summary, novel organoboron reagents were synthesized, and their activity was evaluated. The pyrrolidine diol utilized to synthesize FLPs was applied towards an MCR. Furthermore, a novel MCR was developed for the synthesis of 5-aminoimidazoles, and an enhanced protocol for the synthesis of dihydrotriazines was found.
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Smith, James Robin. « The synthesis and application of boronic esters : development of asymmetric hydroboration and transition metal free cross-coupling methodologies ». Thesis, University of Bristol, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.738275.

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Pigliapochi, Roberta. « Development of first principles paramagnetic NMR methodologies to probe the complex local structural properties of Li-ion battery materials ». Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/275130.

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NMR spectroscopy of paramagnetic solids provides detailed information about the local configuration and the chemical environment of the NMR observed center, as well as about the structural, magnetic and electronic properties of the coordianted paramagnetic centres. In the case of complex paramagnetic solids such as cathode materials for (rechargeable) batteries, NMR represents an invaluable tool to provide insight into the structural and electronic properties of the systems, which are at the base of the electrochemical performance of these materials. However, the paramagnetism makes the interpretation of the NMR data very challenging. This is primarily due to the interactions of the unpaired electrons with the NMR observed nucleus, and the interpretation of the NMR spectra often requires the aid of reliable theoretical and computational methods. Often the dominant interaction contributing to the measured isotropic shifts is the hyperfine interaction between the unpaired electrons and the observed nucleus, which results from the transfer of unpaired electrons from the paramagnetic centre(s) to the NMR observed site. In systems such as the ones studied here, in which the paramagnetic ions are a major constituent of the lattice, the multitide of different local environments results in a complex distribution of resonances. As in the case of the Li$_x$V$_6$O$_{13}$ cathode material, a methodical investigation of the configurational stability from first principles gives insight into the preferred site configurations. The combination of experimental $^7$Li NMR spectra and hyperfine shift DFT calculations of the so-found stable Li environments allows to unravel the complex lithiation mechanism of this material. In the other case of the LiTi$_x$Mn$_{2-x}$O$_4$ cathode materials, the $^7$Li hyperfine shifts calculated from first principles for a variety of Li environments are combined in a lattice model which allows to assign the isotropic regions of the experimental $^7$Li NMR spectra, helping to resolve the complex cation ordering as a function of Mn/Ti content in the series. For paramagnetic centres with an unquenched orbital component of the electron magnetic moment(s), the spin-orbit coupling effects also contribute to the paramagnetic NMR shift and shift anisotropy. A first principles model is derived, which describes how spin-orbit coupling and the single-ion $g$-tensor are defined and calculated in periodic paramagnetic solids, and how they can be coupled with the hyperfine interaction to model their effects on the NMR spectrum. The method is applied to a series of olivine-type LiTMPO$_4$ cathode materials (with TM = Mn, Fe, Co, and Ni) and the respective $^7$Li and $^{31}$P NMR spectra are simulated and compared with the experiments. The other paramagnetic effect considered in this thesis involves the bulk magnetic susceptibility (BMS), which is particularly important for paramagnetic single crystals and solids of complex shape. The BMS effect results from the discontinuity of the bulk susceptibility at the surface of the crystal, inducing a demagnetizing field throughout the sample which changes the measured NMR shift and shift anisotropy. A method to analytically calculate the demagnetising field and the BMS shift in crystals of different shapes is derived, and it is applied to a series of LiFePO$_4$ single crystals for which the $^7$Li NMR spectra are also measured experimentally. The study confirms that, particularly for $^7$Li NMR, the macroscopic shape-dependent BMS shift can indeed be a significant contribution to the measured resonances, determining the large variation in shift measured for the crystals of different shapes.
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Palimkar, S. S. « Novel synthetic methodologies : ionic liquid promoted friedlander heteroannulation and palladium-catalyzed copper/ligand/solvent free carbon-carbon coupling with heterocyclization reactions ». Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2007. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2604.

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Prasai, Anish. « Methodologies for Design-Oriented Electromagnetic Modeling of Planar Passive Power Processors ». Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/34164.

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The advent and proliferation of planar technologies for power converters are driven in part by the overall trends in analog and digital electronics. These trends coupled with the demands for increasingly higher power quality and tighter regulations raise various design challenges. Because inductors and transformers constitute a rather large part of the overall converter volume, size and performance improvement of these structures can subsequently enhance the capability of power converters to meet these application-driven demands. Increasing the switching frequency has been the traditional approach in reducing converter size and improving performance. However, the increase in switching frequency leads to increased power loss density in windings and core, with subsequent increase in device temperature, parasitics and electromagnetic radiation. An accurate set of reduced-order modeling methodologies is presented in this work in order to predict the high-frequency behavior of inductors and transformers. Analytical frequency-dependent expressions to predict losses in planar, foil windings and cores are given. The losses in the core and windings raise the temperature of the structure. In order to ensure temperature limitation of the structure is not exceeded, 1-D thermal modeling is undertaken. Based on the losses and temperature limitation, a methodology to optimize performance of magnetics is outlined. Both numerical and analytical means are employed in the extraction of transformer parasitics and cross-coupling. The results are compared against experimental measurements and are found to be in good accord. A simple near-field electromagnetic shield design is presented in order to mitigate the amount of radiation. Due to inadequacy of existing winding technology in forming suitable planar windings for PCB application, an alternate winding scheme is proposed which relies on depositing windings directly onto the core.
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Peréz, Mañes Jorge [Verfasser], et R. [Akademischer Betreuer] Stieglitz. « Development of CFD Thermal Hydraulics and Neutron Kinetics Coupling Methodologies for the Prediction of Local Safety Parameters for Light Water Reactors / Jorge Peréz Mañes. Betreuer : R. Stieglitz ». Karlsruhe : KIT-Bibliothek, 2013. http://d-nb.info/1045663654/34.

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Livres sur le sujet "Coupling methodologies"

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Pfurtscheller, Gert, et Fernando Lopes da Silva. EEG Event-Related Desynchronization and Event-Related Synchronization. Sous la direction de Donald L. Schomer et Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0040.

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Event-related desynchronization (ERD) reflects a decrease of oscillatory activity related to internally or externally paced events. The increase of rhythmic activity is called event-related synchronization (ERS). They represent dynamical states of thalamocortical networks associated with cortical information-processing changes. This chapter discusses differences between ERD/ERS and evoked response potentials and methodologies for quantifying ERD/ERS and selecting frequency bands. It covers the interpretation of ERD/ERS in the alpha and beta bands and theta ERS and alpha ERD in behavioral tasks. ERD/ERS in scalp and subdural recordings, in various frequency bands, is discussed. Also presented is the modulation of alpha and beta rhythms by 0.1-Hz oscillations in the resting state and phase-coupling of the latter with slow changes of prefrontal hemodynamic signals (HbO2), blood pressure oscillations, and heart rate interval variations in the resting state and in relation to behavioral motor tasks. Potential uses of ERD-based strategies in stroke patients are discussed.
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Chapitres de livres sur le sujet "Coupling methodologies"

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Veitl, A., T. Gordon, A. Van De Sand, M. Howell, M. Valasek, O. Vaculin et P. Steinbauer. « Methodologies for Coupling Simulation Models and Codes in Mechatronic System Analysis and Design ». Dans The Dynamics of Vehicles on Roads and on Tracks, 231–43. London : CRC Press, 2021. http://dx.doi.org/10.1201/9781003210924-19.

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Lust, Daniel, Marcus Brennenstuhl, Robert Otto, Tobias Erhart, Dietrich Schneider et Dirk Pietruschka. « Case Study of a Hydrogen-Based District Heating in a Rural Area : Modeling and Evaluation of Prediction and Optimization Methodologies ». Dans iCity. Transformative Research for the Livable, Intelligent, and Sustainable City, 145–81. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92096-8_10.

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AbstractBuildings are accountable for about one third of the greenhouse gas emissions in Germany. An important step toward the reduction of greenhouse gases is to decarbonize the power productions and heating systems. However, in an energy system with a high share of renewable energy sources, large shares of energy have to be stored in summer for the winter season. Chemical energy storages, in this case hydrogen, can provide these qualities and offer diverse opportunities for coupling different sectors.In this work, a simulation model is introduced which combines a PEM electrolyzer, a hydrogen compression, a high-pressure storage, and a PEM fuel cell for power and heat production. Applied on a building cluster in a rural area with existing PV modules, this system is optimized for operation as a district heating system based on measured and forecasted data. Evolutionary algorithms were used to determine the optimized system parameters.The investigated system achieves an overall heat demand coverage of 63%. However, the local hydrogen production is not sufficient to meet the fuel cell demand. Several refills of the storage tanks with delivered hydrogen would be necessary within the year studied.
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Akterskaia, M., E. Jansen, S. R. Hallet, P. M. Weaver et R. Rolfes. « Post-buckling Progressive Failure Analysis of Composite Panels Using a Two-Way Global-Local Coupling Approach Including Intralaminar Failure and Debonding ». Dans Advances in Predictive Models and Methodologies for Numerically Efficient Linear and Nonlinear Analysis of Composites, 83–102. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-11969-0_6.

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« 2.9 Iron-Catalyzed Cross Coupling of Aryl and Vinyl Electrophiles ». Dans Base-Metal Catalysis 2. Stuttgart : Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/sos-sd-239-00001.

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AbstractThis review focuses on cross-coupling methodologies that utilize aryl and vinyl electrophiles relying on iron-based catalysts. We have outlined the most relevant and better-established methodologies; leading to the discussion of significant cases based on hard nucleophiles, with the number of examples dropping with their increasing softness. In addition, we describe several useful transformations based on reactive unsaturated nucleophiles, such as acetylenes and alkenes.
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« Coupling Liposome-Encapsulated Nucleic Acids with the Polymerase Chain Reaction : A Generic Assay Platform for High-Sensitivity Analyte Detection ». Dans Liposomes in Analytical Methodologies, 285–322. Jenny Stanford Publishing, 2016. http://dx.doi.org/10.1201/b19912-9.

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Lin, Z., R. Tao et Y. Zhao. « 47.1.5.6 Synthesis of Functionalized Alkenes by Metal-Catalyzed Coupling of Carbonyls with Alkynes/Allenes ». Dans Knowledge Updates 2023/1. Stuttgart : Georg Thieme Verlag KG, 2023. http://dx.doi.org/10.1055/sos-sd-147-00202.

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AbstractIn this review, different coupling methodologies between carbonyls and alkynes or allenes affording highly functionalized alkenes are summarized. Two main strategies are discussed in detail: In the first one, electrophilic carbonyl species are utilized in metal-catalyzed reductive coupling reactions assisted by various reductants such as boranes, silanes, and hydrogen gas. In the second one, nucleophilic carbonyl species are employed in coupling reactions with electrophilic π-allyl intermediates generated in situ, resulting in a formal α-allylation of carbonyls. Various representative examples serve to demonstrate the high versatility of these two general strategies, including applications in the total synthesis of complex natural products. High regio- and stereocontrol can be achieved with excellent yields for most of the selected examples. Reports of decarboxylative coupling and metal-free coupling are also included.
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D’Mello, Sidney K., et Emily Jensen. « Emotional Learning Analytics ». Dans The Handbook of Learning Analytics, 120–29. 2e éd. SOLAR, 2022. http://dx.doi.org/10.18608/hla22.012.

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This chapter discusses the ubiquity and importance of emotion to learning. It argues substantial progress can be made by coupling discovery-oriented, data-driven, analytic methods of learning analytics and educational data mining with theoretical advances and methodologies from the affective and learning sciences. Core, emerging, and future themes of research at the intersection of these areas are discussed.
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Linardis, Panagiotis. « Social Modeller ». Dans E-Learning Methodologies and Computer Applications in Archaeology, 199–210. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-759-1.ch011.

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Computer applications and especially artificial intelligence (AI) in archaeology is a scientific field that emerged in the late 1970s. This fact came in response to several simultaneous needs, opportunities and interests that result from the systematic development of methodologies relative to excavating, recording and restoration of findings, and also the increasing amount of information gathered in excavation areas. One of the first uses of artificial intelligence on a practical level was the coupling of expert archaeological knowledge with computerbased applications such as expert systems (ES), in order to simulate archaeologist’s reasoning for a specific problem. Nowadays, the evolvement of the Internet provides a novel platform convenient for the development of new intelligent software and for offering valuable services in archaeology (Gardin, 1988; Huggett & Ross, 2004; Huggett & Ryan, 1994; & Wilcock, 1985, 1990).
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Zhang, Ling, Yuru Feng, Jun Fan et Er-Ping Li. « High-Frequency Electromagnetic Interference Diagnostics ». Dans Electromagnetic Wave Propagation for Industry and Biomedical Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97613.

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Electromagnetic interference (EMI) is becoming more troublesome in modern electronic systems due to the continuous increase of communication data rates. This chapter reviews some new methodologies for high-frequency EMI diagnostics in recent researches. Optical modules, as a typical type of gigahertz radiator, are studied in this chapter. First, the dominant radiation modules and EMI coupling paths in an explicit optical module are analyzed using simulation and measurement techniques. Correspondingly, practical mitigation approaches are proposed to suppress the radiation in real product applications. Moreover, an emission source microscopy (ESM) method, which can rapidly localize far-field radiators, is applied to diagnose multiple optical modules and identify the dominant sources. Finally, when numerous optical modules work simultaneously in a large network router, a formula based on statistical analysis can estimate the maximum far-field emission and the probability of passing electromagnetic compatibility (EMC) regulations. This chapter reviews a systematic procedure for EMI diagnostics at high frequencies, including EMI coupling path analysis and mitigation, emission source localization, and radiation estimation using statistical analysis.
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« Combining Catalyst Formulation and Microkinetic Methodologies in the Detailed Understanding and Optimization of Methane Oxidative Coupling ». Dans Small-Scale Gas to Liquid Fuel Synthesis, 245–80. CRC Press, 2015. http://dx.doi.org/10.1201/b18075-13.

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Actes de conférences sur le sujet "Coupling methodologies"

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Godard, Benjamin, Edouard De Jaeghere, Nabil Ben Nasr, Julien Marty, Raphael Barrier et Nicolas Gourdain. « A Review of Inlet-Fan Coupling Methodologies ». Dans ASME Turbo Expo 2017 : Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63577.

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With the rise of ultra high bypass ratio turbofan and shorter and slimmer inlet geometries compared to classical architectures, designers face new challenges as nacelle and fan design cannot anymore be addressed independently. This paper reviews CFD methods developed to simulate inlet-fan interactions and suitable for industrial design cycles. In addition to the reference isolated fan and nacelle models, the methodologies evaluated in this study consist of two fan modeling approaches, an actuator disc and body-force source terms. The configuration is a modern turbofan with a high bypass ratio under cross-wind. Results are compared to experimental data. As to be predicted, the body-force modeling approach enables early inlet reattachment. In addition, it provides a representative flow deviation across the fan zone which enables performance and stability assessments.
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Ören, Tuncer, et Levent Yilmaz. « Awareness-based Couplings of Intelligent Agents and Other Advanced Coupling Concepts for M&S ». Dans 5th International Conference on Simulation and Modeling Methodologies, Technologies and Applications. SCITEPRESS - Science and and Technology Publications, 2015. http://dx.doi.org/10.5220/0005473700030012.

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Ai, Chun'an, Zhaolin Han, Jian Li, Xiaofeng Cai et Qiao Wang. « FEM numerical simulation on dry coupling problem ». Dans International Conference on Simulation and Modeling Methodologies, Technologies and Applications. Southampton, UK : WIT Press, 2014. http://dx.doi.org/10.2495/smta140601.

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Leskelä, Lasse. « Flow coupling and stochastic ordering of throughputs in linear networks ». Dans 8th International Conference on Performance Evaluation Methodologies and Tools. ICST, 2015. http://dx.doi.org/10.4108/icst.valuetools.2014.258210.

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Acosta, L., E. Guerrero, C. Caballero, J. Verdu et P. de Paco. « Synthesis of Acoustic Wave Multiport Functions by using Coupling Matrix Methodologies ». Dans 2022 IEEE MTT-S International Conference on Microwave Acoustics and Mechanics (IC-MAM). IEEE, 2022. http://dx.doi.org/10.1109/ic-mam55200.2022.9855304.

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Ndiaye, Khadim, Flavien Balbo, Jean-Paul Jamont et Michel Occello. « Simulation Coupling Limitations with Respect to Shared Entities Constraints ». Dans 8th International Conference on Simulation and Modeling Methodologies, Technologies and Applications. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0006859603380346.

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von Hohendorff Filho, João Carlos, et Denis José Schiozer. « Evaluation on Explicit Coupling Between Reservoir Simulators and Production System ». Dans ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-84228.

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Various methodologies to model the coupling of reservoirs and production systems have been applied in the oil industry in recent years due to the need to model properly the integrated solution of models that represent the flow of fluids through the reservoir to the surface. These methodologies are used to solve the production forecast of multiple reservoirs, sharing production platforms with limited production e injection capacities ruled by complex production systems. They can be grouped into two basic types: implicit and explicit coupling methodologies. Explicit methodology can be an efficient choice to integrate simulations because allows coupling adequate simulators to model the whole system and also to grant flexibility in study of well management alternatives. However, it is necessary to test this type of procedure to check the quality of the results. Therefore, a validation study of explicit coupling methodology is presented in this work where the production system is tested on common operating conditions during production and injection of fluids, verifying benefits and limitations of explicit methodology. Some methods for improving the explicit response are proposed and evaluated. An example of application verifies the gain of flexibility in well prioritization by the group management obtained by use of an external methodology for reservoir simulator. The explicit coupling, as implemented, has shown a satisfactory result for the integration between the simulators, honoring all operating constraints set in evaluation cases. Some correction methodologies are necessaries to obtain stabilized results.
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Nasreddine, J., J. Perez-Romero, O. Sallent, R. Agusti et X. Lagrange. « A Proposal on Frequency Management Methodologies for WCDMA Systems Using Cell Coupling Matrices ». Dans IEEE Vehicular Technology Conference. IEEE, 2006. http://dx.doi.org/10.1109/vtcf.2006.271.

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Rasheed, Adil, Jakob Kristoffer Süld et Mandar Tabib. « Effect of Uni- and Bi-Directional Coupling of Ocean-Met Interaction on Significant Wave Height and Local Wind ». Dans ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61681.

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Accurate prediction of near surface wind and wave height are important for many offshore activities like fishing, boating, surfing, installation and maintenance of marine structures. The current work investigates the use of different methodologies to make accurate predictions of significant wave height and local wind. The methodology consists of coupling an atmospheric code HARMONIE and a wave model WAM. Two different kinds of coupling methodologies: unidirectional and bidirectional coupling are tested. While in Unidirectional coupling only the effects of atmosphere on ocean surface are taken into account, in bidirectional coupling the effects of ocean surface on the atmosphere are also accounted for. The predicted values of wave height and local wind at 10m above the ocean surface using both the methodologies are compared against observation data. The results show that during windy conditions, a bidirectional coupling methodology has better prediction capability.
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Samain, Sebastian, et Ana Bušić. « Exact Computation and Bounds for the Coupling Time in Queueing Systems ». Dans VALUETOOLS 2017 : 11th EAI International Conference on Performance Evaluation Methodologies and Tools. New York, NY, USA : ACM, 2017. http://dx.doi.org/10.1145/3150928.3150965.

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