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Letteratura scientifica selezionata sul tema "Coupled diagnostics"

Autore: Grafiati

Pubblicato: 29 marzo 2025

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Articoli di riviste sul tema "Coupled diagnostics"

1

Kovačić, Nada, Gerhard A. Meyer, Liu Ke-Ling e Ramon M. Barnes. "Diagnostics in an air inductively coupled plasma". Spectrochimica Acta Part B: Atomic Spectroscopy 40, n. 7 (gennaio 1985): 943–57. http://dx.doi.org/10.1016/0584-8547(85)80065-3.

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2

Tadokoro, M., A. Itoh, N. Nakano, Z. L. Petrovic e T. Makabe. "Diagnostics of an inductively coupled plasma in oxygen". IEEE Transactions on Plasma Science 26, n. 6 (1998): 1724–32. http://dx.doi.org/10.1109/27.747892.

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3

Abdullin, I. Sh, A. N. Bykanov, I. G. Gafarov, O. E. Ibragimov e R. F. Sharafeev. "Spectral diagnostics of inductively coupled RF discharge plasma". High Energy Chemistry 46, n. 4 (luglio 2012): 271–75. http://dx.doi.org/10.1134/s0018143912040029.

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4

Hioki, Kazuya, Hajime Hirata, Shosaku Matsumura, Zoran Lj Petrović e Toshiaki Makabe. "Diagnostics of an inductively coupled CF4/Ar plasma". Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 18, n. 3 (maggio 2000): 864–72. http://dx.doi.org/10.1116/1.582268.

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5

Ying, Hai, Jennifer Murphy, John W. Tromp, J. M. Mermet e Eric D. Salin. "Warning diagnostics for inductively coupled plasma-mass spectrometry". Spectrochimica Acta Part B: Atomic Spectroscopy 55, n. 4 (aprile 2000): 311–26. http://dx.doi.org/10.1016/s0584-8547(00)00144-0.

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6

Lippi, Giuseppe, e Mario Plebani. "Integrated diagnostics". Biochemia medica 30, n. 1 (15 febbraio 2020): 18–30. http://dx.doi.org/10.11613/bm.2020.010501.

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Abstract (sommario):

The current scenario of in vitro and in vivo diagnostics can be summarized using the “silo metaphor”, where laboratory medicine, pathology and radiology are three conceptually separated diagnostic disciplines, which will increasingly share many comparable features. The substantial progresses in our understanding of biochemical-biological interplays that characterize many human diseases, coupled with extraordinary technical advances, are now generating important multidisciplinary convergences, leading the way to a new frontier, called integrated diagnostics. This new discipline, which is currently defined as convergence of imaging, pathology and laboratory tests with advanced information technology, has an enormous potential for revolutionizing diagnosis and therapeutic management of human diseases, including those causing the largest number of worldwide deaths (i.e. cardiovascular disease, cancer and infectious diseases). However, some important drawbacks should be overcome, mostly represented by insufficient information technology infrastructures, costs and enormous volume of different information that will be integrated and delivered. To overcome these hurdles, some specific strategies should be defined and implemented, such as planning major integration of exiting information systems or developing innovative ones, combining bioinformatics and imaging informatics, using health technology assessment for assessing cost and benefits, providing interpretative comments in integrated reports, developing and using expert systems and neural networks, overcoming cultural and political boundaries for generating multidisciplinary teams and integrated diagnostic algorithms.

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7

Nakano, Toshiki, Seiichi Takaira, Takeshi Kitajima e Seiji Samukawa. "Optical Diagnostics of a Pulsed Inductively Coupled Nitrogen Plasma". IEEJ Transactions on Fundamentals and Materials 125, n. 1 (2005): 30–38. http://dx.doi.org/10.1541/ieejfms.125.30.

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8

Goree, J., Bin Liu e Yan Feng. "Diagnostics for transport phenomena in strongly coupled dusty plasmas". Plasma Physics and Controlled Fusion 55, n. 12 (28 novembre 2013): 124004. http://dx.doi.org/10.1088/0741-3335/55/12/124004.

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9

Downey, S. W., G. L. Keaton e N. S. Nogar. "Spatially resolved, intracavity absorption for inductively coupled plasma diagnostics". Spectrochimica Acta Part B: Atomic Spectroscopy 40, n. 7 (gennaio 1985): 927–32. http://dx.doi.org/10.1016/0584-8547(85)80063-x.

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10

Mayer, Michael, Leopold Haimberger, John M. Edwards e Patrick Hyder. "Toward Consistent Diagnostics of the Coupled Atmosphere and Ocean Energy Budgets". Journal of Climate 30, n. 22 (novembre 2017): 9225–46. http://dx.doi.org/10.1175/jcli-d-17-0137.1.

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Abstract (sommario):

The widely used diagnostic vertically integrated total energy budget equations of atmosphere and ocean contain inconsistencies that should no longer be disregarded. The neglect of enthalpy fluxes associated with precipitation and evaporation leads to a spurious dependence on reference temperature. This seemingly small inconsistency is amplified because enthalpy of water vapor implicitly included in lateral atmospheric energy transports usually is computed on the Kelvin scale, leading to inconsistencies that, although zero when globally averaged, attain values on the order of 20 W m−2 in the tropics. A more consistent energy budget framework is presented, which is independent of reference temperature and which takes full account of enthalpy fluxes associated with mass transfer through the surface. The latter include effects of snowfall and additional nonlatent contributions, which have a net cooling effect on the earth’s surface (−1.3 W m−2). In addition to these diagnostic issues, comparatively small inconsistencies in the energetic formulations of current weather and climate models are highlighted. Using the energy budget formulation presented here, instead of that commonly used, yields enhanced self-consistency of diagnosed atmospheric energy budgets and substantially improved spatial agreement between fields of net surface energy flux inferred from the divergence of lateral atmospheric energy transports in conjunction with satellite-based radiative fluxes and independent surface flux products. Results imply that previous estimates of radiative plus turbulent surface fluxes over the ocean, balancing the observed ocean warming, are biased low by ~1.3 W m−2. Moreover, previous studies seriously underestimated cross-equatorial atmospheric and oceanic energy transports. Overall, the presented framework allows for unambiguous coupled energy budget diagnostics and yields more reliable benchmark values for validation purposes.

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Più fonti

Tesi sul tema "Coupled diagnostics"

1

Kadetov, Victor A. "Diagnostics and modeling of an inductively coupled radio frequency discharge in hydrogen". [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=972011854.

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2

Yang, Suidong. "Diagnostics and modelling of an inductively coupled RF low-pressure low-temperature plasma". Thesis, n.p, 1998. http://oro.open.ac.uk/19841/.

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3

Gomez, S. "Laser induced fluorescence measurements in inductivity coupled of processing plasmas". Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368755.

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4

Costa, i. Bricha Elm. "Computer simulation of a capacitively coupled GEC cell". Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368881.

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5

Gurfinkel, Mikhail. "Cancer diagnostics using dynamic near-infrared optical imaging and fluorescent contrast agents". Texas A&M University, 2005. http://hdl.handle.net/1969.1/3162.

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A new optical imaging modality has been developed for small animal in vivo imaging of near-infrared fluorescence resulting from fluorescent contrast agents specifically targeted to molecular markers of cancer. The imaging system is comprised of an intensified charge-coupled device (ICCD) for the detection of ultra-low levels of re-emitted fluorescence following the delivery of an expanded beam of excitation light. The design of the ICCD detection system allows for both continuous wave (CW) and frequency-domain modes of operation. Since the accurate acquisition of frequency-domain photon migration (FDPM) data is important for tomographic imaging, the imaging system was also validated using experimentally obtained FDPM measurements of homogenous turbid media and diffusion theory to obtain estimates of the optical properties characteristic of the media. The experiments demonstrated that the absorption and reduced scattering coefficients are determined least accurately when relative rel measurements of average light intensity IDC are employed either alone or in a rel combination with relative modulation amplitude data IAC and/or relative phase shift data rel . However, when FDPM measurements of are employed either alone or in rel combination with IAC data, the absorption and reduced scattering coefficients may be found accurate to within 15% and 11%, respectively, of the values obtained from standard single-pixel measurements; a result that suggests that FDPM data obtained from an ICCD detection system may in fact be useful in tomographic imaging. Furthermore, intensified-detection allows for sub-second exposure times, permitting the acquisition of dynamic fluorescence images immediately following administration of the contrast agent. Experimental results demonstrate that when coupled with a suitable pharmacokinetic model describing targeted dye distribution throughout the body, dynamic fluorescence imaging may be used to discriminate spontaneous canine adenocarcinoma from normal mammary tissue. A separate experiment demonstrates that pharmacokinetic analysis of dynamic fluorescence images enables one to estimate the rate constant governing Kaposi's sarcoma tumor uptake of an integrin-targeted dye and integrin receptor turnover rate. The rate constant for uptake was calculated to be 0.16-sec-1 while the turnover rate of the integrin receptor was estimated to occur within 24-hours.

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6

Greb, Arthur. "Dynamics of the plasma-surface interface in capacitively coupled radio-frequency oxygen plasmas : coupling numerical simulations with optical diagnostics". Thesis, University of York, 2013. http://etheses.whiterose.ac.uk/4980/.

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Plasma processing on industrial scale is becoming increasingly complex, demanding new strategies for process control and monitoring. Of particular interest is the energy transport in the interface region between the non-equilibrium low-pressure plasma and the surface. The individual plasma components have varying properties and exhibit different dynamics, which enable numerous chemical and physical modifications of surfaces simultaneously. Measurements of the in-situ surface condition and important chemically active radical species are extremely challenging. The most promising approach to overcome these challenges to achieve advanced process control is the active coupling of numerical simulations and experiments. In this regard, numerical simulations are a well-established technique to study fundamental plasma parameters and plasma dynamics for a variety of discharge sources. The utilised numerical simulation is an experimentally benchmarked 1D fluid model, with semi-kinetic treatment of electrons and an improved energy dependent ion mobility treatment. This model is applied for a geometrically symmetric and asymmetric capacitively coupled oxygen RF discharge. Within the investigated pressure range of 10 Pa - 100 Pa the simulations predict that changing surface conditions have a significant effect on dynamics of the plasma-surface interface. In particular, the surface loss probability and lifetime of metastable singlet delta oxygen as well as the secondary electron emission coefficient are identified to substantially influence the electronegativity and the plasma sheath dynamics on a nanosecond timescale. Phase resolved optical emission spectroscopy measurements, utilising different surface materials, confirm these predictions by comparing measured and simulated excitation features for three different optical emission lines. Through the synergistic coupling of numerical simulations and experiments, the surface work functions as well as other key surface parameters are assessed. Furthermore, the use of an advanced actinometry technique, demonstrated by coupling simple electron kinetic simulations and optical measurements, enables measurements of the spatial distribution of radical atomic oxygen densities and local electron energies over the total discharge volume.

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7

Milea, Andrei-Silviu. "Experimental investigation of innovative Low NOx / low soot injection systems for spinning combustiοn technology using advanced laser diagnostics". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR43.

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Les effets anthropogéniques sur l’environnement posent un défi majeur pour l’industrie aéronautique. Des réglementations de plus en plus strictes et la nécessité de rendre le transport aérien durable orientent les recherches actuelles vers des systèmes propulsifs innovants. Dans ce contexte, Safran Helicopter Engines développe sa technologie brevetée de combustion giratoire (SCT), visant à améliorer les performances des moteurs d’hélicoptères. Déjà implémentée sur le moteur Arrano, cette technologie est davantage optimisée pour réduire significativement les émissions de NOx et de suies. Dans le cadre du programme européen LOOPS, deux nouveaux systèmes d’injection de carburant sont étudiés : l’un conçu pour un régime riche dans une chambre RQL, et l’autre pour une combustion pauvre. Cette thèse évalue expérimentalement ces systèmes à l’aide de diagnostics laser avancés, adaptés aux environnements réactifs à haute pression. Le banc HERON, développé au CORIA, permet d’analyser leurs performances de combustion et évaluer les émissions dans des conditions représentatives des moteurs d’hélicoptères : pressions de 8 à 14 bar, températures d’entrée d’air de 570 à 750 K, et richesses de 0,6 à 1,67. Des diagrammes de stabilité de flamme sont établis, suivis d’analyses des propriétés du spray liquide par PDPA (Phase Doppler Particle Anemometry). Les champs aérodynamiques sont mesurés en conditions réactive et non-réactive par PIV (Particle Imaging Velocimetry) ultra-rapide à 10 kHz. La structure des flammes est caractérisée par PLIF-OH, tandis que la PLIF-kérosène permet d’étudier l’évaporation du carburant en détectant les mono- et di- aromatiques. Les diagnostics couplés simultanément PLIF-NO, PLIF-OH et PLIF-kérosène corrèlent les structures des flammes, les distributions des phases liquide et vapeur, et les zones de formation de NO. De même manière, la PLII (Planar Laser-Induced Incandescence) couplé avec PLIF-OH, PLIF-kérosène permets d’analyser les mécanismes de formation et d’oxydation des suies. Des méthodes spécifiques déterminent des distributions 2D des concentrations de NO, OH et des fractions volumiques de suies. Les résultats montrent une flamme asymétrique pour l’injecteur riche, avec une efficacité de combustion élevé dans la partie supérieure grâce à une injection liquide augmenté localement. Malgré des richesses élevées, les niveaux de suies restent modérés, tandis que le NO se forme principalement près de la flamme, confirmant le mécanisme thermique de Zeldovich. L’injecteur en régime pauvre présente une structure de flamme typique des flammes swirlées stratifiées, malgré la légère asymétrique. Une meilleure évaporation du carburant y favorise une combustion plus efficace, réduisant la longueur de flamme et les NO, grâce à des températures de flamme plus basses. Cependant, des niveaux modérés de suies sont également observés malgré le régime pauvre. Les conditions opératoires influencent fortement les performances. À haute pression, l’atomisation du spray est accélérée, l’angle d’expansion du spray augmente, et les zones de recirculation interne sont renforcées, modifiant la structure des flammes. L’augmentation des émissions de suies par la haute pression est observée pour l’injecteur en régime riche, gardant une richesse constante sur l’ensemble des conditions testées, tandis que les niveaux de NO restent stables. Pour l’injecteur en régime pauvre, les conditions réactives avec une richesse minimale à haute pression atténuent les effets de la pression, stabilisant la production de suies tout en réduisant les concentrations de NO. Ces résultats mettent en évidence le potentiel des deux systèmes d’injection pour optimiser les performances tout en réduisant les émissions des futurs moteurs d’hélicoptères
Anthropogenic effects on the environment present a major challenge for the aeronautical industry. Increasingly stringent pollution regulations and the necessity for sustainable air transport are driving the nowadays research toward innovative propulsion systems. In this context, Safran Helicopter Engines is advancing its patented Spinning Combustion Technology (SCT), aimed at improving helicopter engine performance. Already implemented in the Arrano engine, SCT is now being refined to significantly reduce NOx and soot emissions. As part of the European LOOPS program, two novel fuel injection systems are under investigation: one operating in a rich combustion regime tailored for an RQL combustion chamber and the other designed for lean combustion. The scientific activity of this thesis focuses on the experimental characterization of these injection systems using state-of-the-art laser diagnostics optimized for high-pressure reactive environments. The HERON combustion facility at CORIA enables the analysis of combustion and pollutant performance under conditions representative of helicopter engines, with pressures from 8 to 14 bar, air inlet temperatures from 570 to 750 K, and equivalence ratios ranging from 0.6 to 1.67. Initial flame stability maps are established, followed by in-depth analyses of liquid spray properties using Phase Doppler Particle Anemometry (PDPA). High-speed Particle Imaging Velocimetry (PIV) captures aerodynamic fields under reactive and non-reactive conditions at 10 kHz. Flame structures are examined via OH-PLIF fluorescence imaging, while kerosene-PLIF evaluates liquid and vapor fuel distributions, particularly probing aromatic components in Jet A-1 kerosene. Furthermore, NO-PLIF imaging, combined with OH-PLIF and kerosene-PLIF, enables spatial correlations between flame structure, fuel distribution, and NO production zones. Soot formation and oxidation mechanisms are explored through Planar Laser-Induced Incandescence Imaging (PLII), integrated with OH-PLIF and kerosene-PLIF. Specific methods are developed to obtain 2D distributions of quantitative concentrations of NO, OH and soot volume fraction. Results reveal that the rich-burn injector produces an asymmetrical flame with enhanced upper-zone combustion efficiency due to locally intensified liquid fuel injection. Moderate soot levels are observed despite high equivalence ratios, while localized NO production, primarily near the flame, is attributed to the Zeldovich thermal mechanism. Conversely, the lean-burn injector forms a flame structure characteristic of stratified swirl flames, despite the minor asymmetry. Improved fuel evaporation leads to higher combustion efficiency, shorter flame lengths, and a reduction in NO formation, attributed to lower flame temperatures. In spite of the lean combustion conditions, moderate soot levels are measured for the second injector. Operating conditions strongly influence performance. Higher pressures accelerate spray atomization, increase spray expansion angles, and strengthen internal recirculation zones, reshaping flame structures. The increase in soot production at higher pressure is particularly demonstrated by the rich-burn injector due to constant equivalence ratios across all test conditions, while NO levels remain stable. For the lean-burn injector, leaner operation at elevated pressures moderates pressure effects, maintaining consistent soot levels and reducing NO concentrations. These findings highlight the potential of both injection systems for optimizing performance and reducing emissions in future helicopter engines

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8

Whitby, James Andrew. "Diagnostic measurements on a low-pressure inductively coupled Hg-Kr discharge". Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387792.

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9

Boucher, Arnaud. "Recalage et analyse d’un couple d’images : application aux mammographies". Thesis, Paris 5, 2013. http://www.theses.fr/2013PA05S001/document.

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Dans le monde de la recherche, l’analyse du signal et plus particulièrement d’image, est un domaine très actif, de par la variété des applications existantes, avec des problématiques telles que la compression de données, la vidéo-surveillance ou encore l’analyse d’images médicales pour ne prendre que quelques exemples. Le mémoire s’inscrit dans ce dernier domaine particulièrement actif. Le nombre d’appareils d’acquisition existant ainsi que le nombre de clichés réalisés, entraînent la production d’une masse importante d’informations à traiter par les praticiens. Ces derniers peuvent aujourd’hui être assistés par l’outil informatique. Dans cette thèse, l’objectif est l’élaboration d’un système d’aide au diagnostic, fondé sur l’analyse conjointe, et donc la comparaison d’images médicales. Notre approche permet de détecter des évolutions, ou des tissus aberrants dans un ensemble donné, plutôt que de tenter de caractériser, avec un très fort a priori, le type de tissu cherché.Cette problématique permet d’appréhender un aspect de l’analyse du dossier médical d’un patient effectuée par les experts qui est l’étude d’un dossier à travers le suivi des évolutions. Cette tâche n’est pas aisée à automatiser. L’œil humain effectue quasi-automatiquement des traitements qu’il faut reproduire. Avant de comparer des régions présentes sur deux images, il faut déterminer où se situent ces zones dans les clichés. Toute comparaison automatisée de signaux nécessite une phase de recalage, un alignement des composantes présentes sur les clichés afin qu’elles occupent la même position sur les deux images. Cette opération ne permet pas, dans le cadre d’images médicales, d’obtenir un alignement parfait des tissus en tous points, elle ne peut que minimiser les écarts entre tissus. La projection d’une réalité 3D sur une image 2D entraîne des différences liées à l’orientation de la prise de vue, et ne permet pas d’analyser une paire de clichés par une simple différence entre images. Différentes structurations des clichés ainsi que différents champs de déformation sont ici élaborés afin de recaler les images de manière efficace.Après avoir minimisé les différences entre les positions sur les clichés, l’analyse de l’évolution des tissus n’est pas menée au niveau des pixels, mais à celui des tissus eux-mêmes, comme le ferait un praticien. Afin de traiter les clichés en suivant cette logique, les images numériques sont réinterprétées, non plus en pixels de différentes luminosités, mais en motifs représentatifs de l’ensemble de l’image, permettant une nouvelle décomposition des clichés, une décomposition parcimonieuse. L’atout d’une telle représentation est qu’elle permet de mettre en lumière un autre aspect du signal, et d’analyser sous un angle nouveau, les informations nécessaires à l’aide au diagnostic.Cette thèse a été effectuée au sein du laboratoire LIPADE de l’Université Paris Descartes (équipe SIP, spécialisée en analyse d’images) en collaboration avec la Société Fenics (concepteur de stations d’aide au diagnostic pour l’analyse de mammographies) dans le cadre d’un contrat Cifre
In the scientific world, signal analysis and especially image analysis is a very active area, due to the variety of existing applications, with issues such as file compression, video surveillance or medical image analysis. This last area is particularly active. The number of existing devices and the number of pictures taken, cause the production of a large amount of information to be processed by practitioners. They can now be assisted by computers.In this thesis, the problem addressed is the development of a computer diagnostic aided system based on conjoint analysis, and therefore on the comparison of medical images. This approach allows to look for evolutions or aberrant tissues in a given set, rather than attempting to characterize, with a strong a priori, the type of fabric sought.This problem allows to apprehend an aspect of the analysis of medical file performed by experts which is the study of a case through the comparison of evolutions.This task is not easy to automate. The human eye performs quasi-automatically treatments that we need to replicate.Before comparing some region on the two images, we need to determine where this area is located on both pictures. Any automated comparison of signals requires a registration phase, an alignment of components present on the pictures, so that they occupy the same space on the two images. Although the characteristics of the processed images allow the development of a smart registration, the projection of a 3D reality onto a 2D image causes differences due to the orientation of the tissues observed, and will not allow to analyze a pair of shots with a simple difference between images. Different structuring of the pictures and different deformation fields are developed here to efficiently address the registration problem.After having minimized the differences on the pictures, the analysis of tissues evolution is not performed at pixels level, but the tissues themselves, as will an expert. To process the images in this logic, they will be reinterpreted, not as pixels of different brightness, but as patterns representative of the entire image, enabling a new decomposition of the pictures. The advantage of such a representation is that it allows to highlight another aspect of the signal, and analyze under a new perspective the information necessary to the diagnosis aid.This thesis has been carried out in the LIPADE laboratory of University Paris Descartes (SIP team, specialized in image analysis) and in collaboration with the Society Fenics (designer of diagnosis aid stations in the analysis of mammograms) under a Cifre convention. The convergence of the research fields of those teams led to the development of this document

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10

Boucher, Arnaud. "Recalage et analyse d’un couple d’images : application aux mammographies". Electronic Thesis or Diss., Paris 5, 2013. http://www.theses.fr/2013PA05S001.

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Abstract (sommario):

Dans le monde de la recherche, l’analyse du signal et plus particulièrement d’image, est un domaine très actif, de par la variété des applications existantes, avec des problématiques telles que la compression de données, la vidéo-surveillance ou encore l’analyse d’images médicales pour ne prendre que quelques exemples. Le mémoire s’inscrit dans ce dernier domaine particulièrement actif. Le nombre d’appareils d’acquisition existant ainsi que le nombre de clichés réalisés, entraînent la production d’une masse importante d’informations à traiter par les praticiens. Ces derniers peuvent aujourd’hui être assistés par l’outil informatique. Dans cette thèse, l’objectif est l’élaboration d’un système d’aide au diagnostic, fondé sur l’analyse conjointe, et donc la comparaison d’images médicales. Notre approche permet de détecter des évolutions, ou des tissus aberrants dans un ensemble donné, plutôt que de tenter de caractériser, avec un très fort a priori, le type de tissu cherché.Cette problématique permet d’appréhender un aspect de l’analyse du dossier médical d’un patient effectuée par les experts qui est l’étude d’un dossier à travers le suivi des évolutions. Cette tâche n’est pas aisée à automatiser. L’œil humain effectue quasi-automatiquement des traitements qu’il faut reproduire. Avant de comparer des régions présentes sur deux images, il faut déterminer où se situent ces zones dans les clichés. Toute comparaison automatisée de signaux nécessite une phase de recalage, un alignement des composantes présentes sur les clichés afin qu’elles occupent la même position sur les deux images. Cette opération ne permet pas, dans le cadre d’images médicales, d’obtenir un alignement parfait des tissus en tous points, elle ne peut que minimiser les écarts entre tissus. La projection d’une réalité 3D sur une image 2D entraîne des différences liées à l’orientation de la prise de vue, et ne permet pas d’analyser une paire de clichés par une simple différence entre images. Différentes structurations des clichés ainsi que différents champs de déformation sont ici élaborés afin de recaler les images de manière efficace.Après avoir minimisé les différences entre les positions sur les clichés, l’analyse de l’évolution des tissus n’est pas menée au niveau des pixels, mais à celui des tissus eux-mêmes, comme le ferait un praticien. Afin de traiter les clichés en suivant cette logique, les images numériques sont réinterprétées, non plus en pixels de différentes luminosités, mais en motifs représentatifs de l’ensemble de l’image, permettant une nouvelle décomposition des clichés, une décomposition parcimonieuse. L’atout d’une telle représentation est qu’elle permet de mettre en lumière un autre aspect du signal, et d’analyser sous un angle nouveau, les informations nécessaires à l’aide au diagnostic.Cette thèse a été effectuée au sein du laboratoire LIPADE de l’Université Paris Descartes (équipe SIP, spécialisée en analyse d’images) en collaboration avec la Société Fenics (concepteur de stations d’aide au diagnostic pour l’analyse de mammographies) dans le cadre d’un contrat Cifre
In the scientific world, signal analysis and especially image analysis is a very active area, due to the variety of existing applications, with issues such as file compression, video surveillance or medical image analysis. This last area is particularly active. The number of existing devices and the number of pictures taken, cause the production of a large amount of information to be processed by practitioners. They can now be assisted by computers.In this thesis, the problem addressed is the development of a computer diagnostic aided system based on conjoint analysis, and therefore on the comparison of medical images. This approach allows to look for evolutions or aberrant tissues in a given set, rather than attempting to characterize, with a strong a priori, the type of fabric sought.This problem allows to apprehend an aspect of the analysis of medical file performed by experts which is the study of a case through the comparison of evolutions.This task is not easy to automate. The human eye performs quasi-automatically treatments that we need to replicate.Before comparing some region on the two images, we need to determine where this area is located on both pictures. Any automated comparison of signals requires a registration phase, an alignment of components present on the pictures, so that they occupy the same space on the two images. Although the characteristics of the processed images allow the development of a smart registration, the projection of a 3D reality onto a 2D image causes differences due to the orientation of the tissues observed, and will not allow to analyze a pair of shots with a simple difference between images. Different structuring of the pictures and different deformation fields are developed here to efficiently address the registration problem.After having minimized the differences on the pictures, the analysis of tissues evolution is not performed at pixels level, but the tissues themselves, as will an expert. To process the images in this logic, they will be reinterpreted, not as pixels of different brightness, but as patterns representative of the entire image, enabling a new decomposition of the pictures. The advantage of such a representation is that it allows to highlight another aspect of the signal, and analyze under a new perspective the information necessary to the diagnosis aid.This thesis has been carried out in the LIPADE laboratory of University Paris Descartes (SIP team, specialized in image analysis) and in collaboration with the Society Fenics (designer of diagnosis aid stations in the analysis of mammograms) under a Cifre convention. The convergence of the research fields of those teams led to the development of this document

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Libri sul tema "Coupled diagnostics"

1

1946-, Montaser Akbar, e Golightly D. W, a cura di. Inductively coupled plasmas in analytical atomic spectrometry. New York, NY: VCH Publishers, 1987.

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C, Herring G., Barros Toya e Langley Research Center, a cura di. Demonstration of imaging flow diagnostics using Rayleigh scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1999.

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C, Herring G., Barros Toya e Langley Research Center, a cura di. Demonstration of imaging flow diagnostics using Rayleigh scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1999.

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C, Herring G., Barros Toya e Langley Research Center, a cura di. Demonstration of imaging flow diagnostics using Rayleigh scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1999.

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1957-, Sabourin Stéphane, a cura di. L' Intervention auprès du couple: Diagnostic et traitement. St-Damase, Qué: Editions Consult-Action, 1985.

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Conference on Photonic Systems for Ecological Monitoring (3rd 1996 Prague, Czech Republic). Third Conference on Photonic Systems for Ecological Monitoring: 8-12 December 1996, Prague, Czech Republic. A cura di Klima Milosh, Kuznet︠s︡ov I︠U︡ A, Shilin V. A, Society of Photo-optical Instrumentation Engineers., Society of Photo-optical Instrumentation Engineers. Russian Chapter. e Nauchno-tekhnicheskoe obshchestvo radiotekhniki i ėlektrosvi︠a︡zi im. A.S. Popova. Bellingham, Wash., USA: SPIE, 1997.

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Gao, Guangning. Modelling and diagnostics of atmospheric argon radio frequency inductively coupled plasma. 2004.

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Spencer, Billy Mac. A cylindrical helium capacitively coupled microwave plasma: Diagnostics and determination of silicon. 1993.

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9

Goldstein, Steven R., e Carol B. Benson. Imaging in the Infertile Couple. Taylor & Francis, 2001.

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10

Lin, C. W., N. F. Chiu e C. C. Chang. Modulation design of plasmonics for diagnostic and drug screening. A cura di A. V. Narlikar e Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.013.18.

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This article discusses the modulation design of plasmonics for diagnosis and drug screening applications. It begins with an overview of the advances made in terms of theoretical insights, focusing on the origins of surface plasmon wave and manipulation, admittance loci design method, and surface plasmon grating coupled emission. It then considers how prism coupler, Ge-doped silica waveguide, nanograting and active plasmonics can trigger the excitation of surface plasmon resonance (SPR). It also examines the metallic effect of long-range surface plasmon resonance and conducting metal oxide as adhesive layer before describing three SPR waveguide biosensors that were developed for the realization of a hand-held SPR system. In particular, it presents a lateral-flow microfluidic channel based on a nitrocellulose membrane and integrated with a SPR waveguide biosensor to achieve dynamic detection. Finally, the article evaluates the biomolecular layer effect, with emphasis on kinetics analysis of antibody binding.

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Capitoli di libri sul tema "Coupled diagnostics"

1

Edmonds, P. H., R. Barnsley, N. Hawkes, A. Kislyakov, G. Vayakis, C. Walker, L. de Kock et al. "Integration of Vacuum Coupled Diagnostics". In Diagnostics for Experimental Thermonuclear Fusion Reactors 2, 79–82. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5353-3_6.

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Rasooly, Avraham, Yordan Kostov e Hugh A. Bruck. "Charged-Coupled Device (CCD) Detectors for Lab-on-a Chip (LOC) Optical Analysis". In Microfluidic Diagnostics, 365–85. Totowa, NJ: Humana Press, 2012. http://dx.doi.org/10.1007/978-1-62703-134-9_23.

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Popovic, Marko M., e Svetozar S. Popovic. "Strongly-Coupled Plasma Diagnostics and Experimental Determination of DC Electrical Conductivity". In Strongly Coupled Plasma Physics, 99–108. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1891-0_10.

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Benveniste, A., B. Delyon e M. Basseville. "Diagnostics and Monitoring as tightly coupled to Identification". In Perspectives in Control, 217–36. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1276-1_16.

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Zhang, Zhi-wei, Yi-ming Zhou, Yan Zhang, Yong Guo, Sheng-ce Tao, Ze Li, Qiong Zhang e Jing Cheng. "Sensitive Detection of SARS Coronavirus RNA by a Novel Asymmetric Multiplex Nested RT-PCR Amplification Coupled With Oligonucleotide Microarray Hybridization". In Microarrays in Clinical Diagnostics, 59–78. Totowa, NJ: Humana Press, 2005. http://dx.doi.org/10.1385/1-59259-923-0:59.

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Matsui, H., e A. Tezaki. "The Vibrational Relaxation of N2 Coupled with H2-O2 Combustion Reactions Behind Shock Waves". In Laser Diagnostics and Modeling of Combustion, 217–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-45635-0_28.

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Montagnani, Giovanni Ludovico. "Development of a 3” LaBr3 SiPM-Based Detection Module for High Resolution Gamma Ray Spectroscopy and Imaging". In Special Topics in Information Technology, 77–82. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-62476-7_7.

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AbstractGamma radiation detection finds many applications in different fields, including astrophysics, nuclear physics and medical diagnostics. Nowadays large Lanthanum Bromide crystals coupled to Photomultiplier Tubes (PMTs) represent the state of the art for gamma detection modules, in particular for spectroscopic measurements. Nevertheless, there is an interest in substituting photomultiplier tubes with solid state photodetectors like Silicon Photomultipliers (SiPMs), owing to the latter’s significant advantages. These include insensitivity to magnetic fields, low bias voltage, compactness, fast response and mechanical robustness. The aim of this thesis work, which was carried out within the context of the GAMMA project supported by IstitutoNazionale di FisicaNucleare (INFN), is the design, development and experimental characterization of a -ray spectrometer based on large Lanthanum Bromide scintillator crystals coupled with Silicon Photomultipliers. This detector specifications are compliant with nuclear physics experiments with energies ranging from 100 keV to 20 MeV, characterized by state-of-the-art energy resolution and imaging capability, in a compact, modular and robust structure. In order to perform the readout of large scintillator crystals, a matrix of 144 Silicon Photomultipliers was designed using NUV-HD SiPMs from Fondazione Bruno Kessler (FBK). These were chosen due to their high Photon Detection Efficiency in correspondence with the peak emission wavelength of the crystal, the high cell density and low Dark Count Rate.

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Turkgeldi, Engin, Sule Yildiz e Baris Ata. "Diagnostic evaluation of the couple with recurrent implantation failure". In Recurrent Implantation Failure, 93–106. Boca Raton : CRC Press, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9781315165707-10.

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Simpson, Joe Leigh, Svetlana Rechitsky e Anver Kuliev. "The Genetic Risk of a Couple Aiming to Conceive". In Handbook of Genetic Diagnostic Technologies in Reproductive Medicine, 24–35. 2^a ed. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003024941-3.

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Geuens, Sam, e Ana Polona Mivšek. "How Sex Works (and When it’s not Working)". In Midwifery and Sexuality, 29–40. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18432-1_3.

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AbstractTo have a sexual experience, one does not need to know ‘how sex works’. Besides, the more you think about it at that moment, the greater the risk that it might not ‘work’. However, such knowledge is relevant and essential in the daily practice of the heathcare professional (HCP).This chapter describes the stages of sexual response, from desire, via arousal, to orgasm, and then resolution (and the range of variety). It will indicate some of the changes occurring during pregnancy.The chapter then explores the types and reasons for sexual problems or dysfunctions. The chapter highlights the common problems with sexual desire, sexual arousal and sexual pain problems. Such problems are highly relevant to midwifery practice. They can negatively impact the couple’s or the woman’s general wellbeing and even be a reason for impaired fertility. The ‘3-conditions framework for satisfying sexual experiences’, a simple diagnostic tool to help midwives and other non-sexologist-HCPs structure their clinical reasoning about their client’s sexual problems, is described and applied to sexual problems commonly encountered by midwives. Using this framework to better understand how things can go wrong can help HCPs provide care for women and couples struggling with sexual problems.This chapter is part of ‘Midwifery and Sexuality’, a Springer Nature open-access textbook for midwives and related healthcare professionals.

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Atti di convegni sul tema "Coupled diagnostics"

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Bottler, Sebastian, Erik Beitinger, Max Stammberger e Christian Weindl. "Fundamental Introduction of a Holistic Modeling Approach Enabling the Depiction of Sector-Coupled Energy Systems". In 2024 International Conference on Diagnostics in Electrical Engineering (Diagnostika), 1–4. IEEE, 2024. http://dx.doi.org/10.1109/diagnostika61830.2024.10693886.

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Thakur, Satish Kumar, Soumya Anand e Anamika Singh. "Vertical Grating Coupler Based Biosensor for Cancer Diagnostics". In 2024 20th International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT), 615–19. IEEE, 2024. http://dx.doi.org/10.1109/dcoss-iot61029.2024.00096.

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Komsky, Igor N. "Polymer subtrates for dry-coupled ultrasonic transducers". In NDE for Health Monitoring and Diagnostics, a cura di Tribikram Kundu. SPIE, 2003. http://dx.doi.org/10.1117/12.484006.

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Tittmann, Bernhard R., Jikai Du e Ian Lucas. "Air-coupled ultrasonic NDE of automotive tires". In Nondestructive Evaulation for Health Monitoring and Diagnostics, a cura di Norbert Meyendorf, George Y. Baaklini e Bernd Michel. SPIE, 2005. http://dx.doi.org/10.1117/12.598803.

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Komsky, Igor N. "Rolling dry-coupled transducers for ultrasonic inspections of aging aircraft structures". In NDE for Health Monitoring and Diagnostics, a cura di Tribikram Kundu. SPIE, 2004. http://dx.doi.org/10.1117/12.541659.

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Abdul-Aziz, Ali, George Y. Baaklini e Ramakrishna Bhatt. "Nondestructive evaluation of ceramic matrix composites coupled with finite element analyses". In NDE For Health Monitoring and Diagnostics, a cura di Andrew L. Gyekenyesi, Steven M. Shepard, Dryver R. Huston, A. Emin Aktan e Peter J. Shull. SPIE, 2002. http://dx.doi.org/10.1117/12.470733.

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Ostrikov, K. N. "Diagnostics and Simulation of Low-Frequency Inductively Coupled Plasmas". In PLASMA PHYSICS: 11th International Congress on Plasma Physics: ICPP2002. AIP, 2003. http://dx.doi.org/10.1063/1.1593868.

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Komsky, Igor N. "Ultrasonic imaging of hidden defects using dry-coupled ultrasonic probes". In Nondestructive Evaulation for Health Monitoring and Diagnostics, a cura di Tribikram Kundu. SPIE, 2006. http://dx.doi.org/10.1117/12.658873.

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Wang, Sherman S. "Knowledge-Based Diagnostics and Design Systems". In ASME 1991 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/cie1991-0003.

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Abstract Substantial literature using knowledge-based system techniques has been accumulated over the past few years in the fields of diagnostics, modeling and design. Many of these techniques have been successfully used by a wide variety of industrial companies. The purpose of this paper is to present a summary of these new techniques, and an examination of their advantages and limitations for industrial applications. These techniques will help to insure the integrity of future concurrent design and manufacturing development. The purpose of our survey study is to show that the design and modeling of product functions and their associated diagnostic processes should be tightly coupled. The design and diagnostic tasks should be supported by integrated and intelligent software. Many examples of knowledge-based systems for disk drive diagnostics and design will also be included.

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Komsky, Igor N. "Modular dry-coupled ultrasonic probes for field inspections of multilayered aircraft structures". In Nondestructive Evaulation for Health Monitoring and Diagnostics, a cura di Tribikram Kundu. SPIE, 2005. http://dx.doi.org/10.1117/12.600129.

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Rapporti di organizzazioni sul tema "Coupled diagnostics"

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Garner, James M., Bernard J. Guidos, Robert A. Phillabaum, Peter C. Muller e Eric Scheper. A Soft Recovery System Coupled With Advanced Diagnostics. Fort Belvoir, VA: Defense Technical Information Center, ottobre 2006. http://dx.doi.org/10.21236/ada456551.

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Prabhakar, S. New Diagnostics and Cures for Coupled-Bunch Instabilities. Office of Scientific and Technical Information (OSTI), giugno 2018. http://dx.doi.org/10.2172/1454227.

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Prabhakar, S. New Diagnostics and Cures for Coupled-Bunch Instabilities. Office of Scientific and Technical Information (OSTI), giugno 2018. http://dx.doi.org/10.2172/1454228.

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Teytelman, Dmitry. NEW DIAGNOSTICS AND CURES FOR COUPLED-BUNCH INSTABILITIES. Office of Scientific and Technical Information (OSTI), agosto 2002. http://dx.doi.org/10.2172/799991.

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Prabhakar, S. New diagnostics and cures for coupled-bunch instabilities. Office of Scientific and Technical Information (OSTI), febbraio 2000. http://dx.doi.org/10.2172/753308.

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Teytelman, Dmitry. Architectures and Algorithms for Control and Diagnostics of Coupled-Bunch Instabilities in Circular Accelerators. Office of Scientific and Technical Information (OSTI), luglio 2003. http://dx.doi.org/10.2172/815292.

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Fleming, K. J. Portable, solid state, fiber optic coupled Doppler interferometer system for detonation and shock diagnostics. Office of Scientific and Technical Information (OSTI), agosto 1994. http://dx.doi.org/10.2172/10172045.

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Griem, H. R., R. C. Elton e B. L. Welch. Spectroscopic diagnostics on high-density, strongly-coupled ICF plasmas. Final report, February 1, 1995--November 30, 1995. Office of Scientific and Technical Information (OSTI), febbraio 1996. http://dx.doi.org/10.2172/203408.

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Xiao, Xingcheng. In situ Diagnostics of Coupled Electrochemical-Mechanical Properties of Solid Electrolyte Interphases on Lithium Metal Rechargeable Batteries. Office of Scientific and Technical Information (OSTI), agosto 2020. http://dx.doi.org/10.2172/1653427.

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Griem, H. R., R. C. Elton e B. L. Welch. Spectroscopic diagnostics on high-density, strongly-coupled ICF plasmas. Semi-annual report, February 1, 1995--July 31, 1995. Office of Scientific and Technical Information (OSTI), febbraio 1996. http://dx.doi.org/10.2172/230198.

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