Готові списки джерел за темами / Multidomaines

Добірка наукової літератури з теми "Multidomaines"

Автор: Grafiati
Опубліковано: 1 жовтня 2022

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Зміст

  1. Статті в журналах
  2. Дисертації
  3. Книги
  4. Частини книг
  5. Тези доповідей конференцій
  6. Звіти організацій

Статті в журналах з теми "Multidomaines":

1

Maleki, Mohsen, and Eliot Fried. "Multidomain and ground state configurations of two-phase vesicles." Journal of The Royal Society Interface 10, no. 83 (June 6, 2013): 20130112. http://dx.doi.org/10.1098/rsif.2013.0112.

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A simple model is used to study the equilibrium of lipid domains on two-phase vesicles. Two classes of configurations are considered: multidomain and ground state configurations. For multidomain configurations, the vesicle has a finite number of identical lipid domains. For ground state configurations, the vesicle is fully phase separated into two coexisting domains. Whereas the volume enclosed by a vesicle with multidomains is fixed, the volume enclosed by a vesicle in a ground state is allowed to vary with the osmotic pressure. Guided by experimental observations, all domains are assumed to be spherical caps. In a multidomain configuration, the line tension is found to decrease with the number of domains present, with possible exceptions when the number of domains is very small. The importance of a critical osmotic pressure and a critical excess radius on ground state configurations is explored. Emphasis is placed on understanding the variations of these critical quantities with relevant parameters.
2

Ha, Minho, Cheolung Cheong, Hanshin Seol, Bu-Geun Paik, Min-Jae Kim, and Young-Rae Jung. "Development of Efficient and Accurate Parallel Computation Algorithm Using Moving Overset Grids on Background Multi-Domains for Complex Two-Phase Flows." Applied Sciences 8, no. 10 (October 16, 2018): 1937. http://dx.doi.org/10.3390/app8101937.

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The goal of this study involves developing an efficient and accurate parallel computation method for two-phase flow problems including complex moving foreign bodies. The proposed parallel computing techniques are based on the moving body-fitted grids’ overset on background multidomains with grid-overlapping at their interface. First, the cavitation flow over the hemispherical head form is investigated using the two-phase flow solver, which is validated by comparing the numerical and experimental results. Subsequently, the parallel computing technique based on the multidomain method that divides the computational domain into several smaller subdomains is proposed to facilitate more efficient numerical simulations. At the interface of the subdomains, the grid-overlapping method is proposed for more accurate simulations. The illustrative computations indicate that the accuracy of the parallel computation combined with the grid-overlapping method on multidomains is identical to that of the serial computation based on a single block, albeit with a significant reduction in the computation time. Finally, the moving overset grid technique is combined with the background multidomain method and applied to simulate the gust flow that is generated by the pitching motions of the twin hydrofoils. The overset grid technique includes the following three sequential steps: hole-cutting, finding donor cells, and bilinear interpolation. The prediction results for the inflow gust generated by oscillating hydrofoils closely follow the measured results.
3

Guo, Lian Shui, Jun Huang, Andres Tavor, and John E. Renaud. "Multidomain Topology Optimization for Crashworthiness Based on Hybrid Cellular Automata." Key Engineering Materials 486 (July 2011): 250–53. http://dx.doi.org/10.4028/www.scientific.net/kem.486.250.

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This research introduces a multidomain topology optimization algorithm for crashworthy structure undergoing large deformations. This technique makes use of the hybrid cellular automaton framework, which combines transient, non-linear finite-element analysis and local control rules acting on cells. The set of all cells defines the multidomains. Each subdomain has been defined by different material update rules according to specify constraint, and optimization iteration of each subdomain has been converged respectively during the optimal design process. The effectiveness of this technique is demonstrated through the design of a bumper-like structure. Result show that the new algorithm is suitable for practical applications. The case study presented demonstrates the potential significance of this work for a wide range of engineering design problems.
4

de Oliveira, Amanda C. P., Rafael M. Ferreira, Maria Inês T. Ferro, Jesus A. Ferro, Caio Zamuner, Henrique Ferreira, and Alessandro M. Varani. "XAC4296 Is a Multifunctional and Exclusive Xanthomonadaceae Gene Containing a Fusion of Lytic Transglycosylase and Epimerase Domains." Microorganisms 10, no. 5 (May 11, 2022): 1008. http://dx.doi.org/10.3390/microorganisms10051008.

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Microorganisms have a limited and highly adaptable repertoire of genes capable of encoding proteins containing single or variable multidomains. The phytopathogenic bacteria Xanthomonas citri subsp. citri (X. citri) (Xanthomonadaceae family), the etiological agent of Citrus Canker (CC), presents a collection of multidomain and multifunctional enzymes (MFEs) that remains to be explored. Recent studies have shown that multidomain enzymes that act on the metabolism of the peptidoglycan and bacterial cell wall, belonging to the Lytic Transglycosylases (LTs) superfamily, play an essential role in X. citri biology. One of these LTs, named XAC4296, apart from the Transglycosylase SLT_2 and Peptidoglycan binding-like domains, contains an unexpected aldose 1-epimerase domain linked to the central metabolism; therefore, resembling a canonical MFE. In this work, we experimentally characterized XAC4296 revealing its role as an MFE and demonstrating its probable gene fusion origin and evolutionary history. The XAC4296 is expressed during plant-pathogen interaction, and the Δ4296 mutant impacts CC progression. Moreover, Δ4296 exhibited chromosome segregation and cell division errors, and sensitivity to ampicillin, suggesting not only LT activity but also that the XAC4296 may also contribute to resistance to β-lactams. However, both Δ4296 phenotypes can be restored when the mutant is supplemented with sucrose or glutamic acid as a carbon and nitrogen source, respectively; therefore, supporting the epimerase domain’s functional relationship with the central carbon and cell wall metabolism. Taken together, these results elucidate the role of XAC4296 as an MFE in X. citri, also bringing new insights into the evolution of multidomain proteins and antimicrobial resistance in the Xanthomonadaceae family.
5

Valk, Vincent, Wieger Eeuwema, Fean D. Sarian, Rachel M. van der Kaaij та Lubbert Dijkhuizen. "Degradation of Granular Starch by the Bacterium Microbacterium aurum Strain B8.A Involves a Modular α-Amylase Enzyme System with FNIII and CBM25 Domains". Applied and Environmental Microbiology 81, № 19 (17 липня 2015): 6610–20. http://dx.doi.org/10.1128/aem.01029-15.

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ABSTRACTThe bacteriumMicrobacterium aurumstrain B8.A, originally isolated from a potato plant wastewater facility, is able to degrade different types of starch granules. Here we report the characterization of an unusually large, multidomainM. aurumB8.A α-amylase enzyme (MaAmyA). MaAmyA is a 1,417-amino-acid (aa) protein with a predicted molecular mass of 148 kDa. Sequence analysis of MaAmyA showed that its catalytic core is a family GH13_32 α-amylase with the typical ABC domain structure, followed by a fibronectin (FNIII) domain, two carbohydrate binding modules (CBM25), and another three FNIII domains. Recombinant expression and purification yielded an enzyme with the ability to degrade wheat and potato starch granules by introducing pores. Characterization of various truncated mutants of MaAmyA revealed a direct relationship between the presence of CBM25 domains and the ability of MaAmyA to form pores in starch granules, while the FNIII domains most likely function as stable linkers. At the C terminus, MaAmyA carries a 300-aa domain which is uniquely associated with large multidomain amylases; its function remains to be elucidated. We concluded thatM. aurumB8.A employs a multidomain enzyme system to initiate degradation of starch granules via pore formation.
6

Zhou, Jianuan, Haibao Zhang, Jien Wu, Qiongguang Liu, Pinggen Xi, Jasmine Lee, Jinling Liao, Zide Jiang, and Lian-Hui Zhang. "A Novel Multidomain Polyketide Synthase Is Essential for Zeamine Production and the Virulence of Dickeya zeae." Molecular Plant-Microbe Interactions® 24, no. 10 (October 2011): 1156–64. http://dx.doi.org/10.1094/mpmi-04-11-0087.

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Dickeya zeae is the causal agent of the rice foot rot disease, but its mechanism of infection remains largely unknown. In this study, we identified and characterized a novel gene designated as zmsA. The gene encodes a large protein of 2,346 amino acids in length, which consists of multidomains arranged in the order of N-terminus, β-ketoacyl synthase, acyl transferase, acyl carrier protein, β-ketoacyl reductase, dehydratase. This multidomain structure and sequence alignment analysis suggest that ZmsA is a member of the polyketide synthase family. Mutation of zmsA abolished antimicrobial activity and attenuated the virulence of D. zeae. To determine the relationship between antimicrobial activity and virulence, active compounds were purified from D. zeae EC1 and were structurally characterized. This led to identification of two polyamino compounds, i.e., zeamine and zeamine II, that were phytotoxins and potent antibiotics. These results have established the essential role of ZmsA in zeamine biosynthesis and presented a new insight on the molecular mechanisms of D. zeae pathogenicity.
7

Vázquez-Gómez, José. "Multidomain security." Computers & Security 13, no. 2 (April 1994): 161–84. http://dx.doi.org/10.1016/0167-4048(94)90065-5.

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8

Hertig, Samuel, Thomas D. Goddard, Graham T. Johnson, and Thomas E. Ferrin. "Multidomain Assembler (MDA) Generates Models of Large Multidomain Proteins." Biophysical Journal 108, no. 9 (May 2015): 2097–102. http://dx.doi.org/10.1016/j.bpj.2015.03.051.

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9

Adjeroh, Donald, Yue Jiang, Bing-Hua Jiang, and Jie Lin. "Network Analysis of Circular Permutations in Multidomain Proteins Reveals Functional Linkages for Uncharacterized Proteins." Cancer Informatics 13s5 (January 2014): CIN.S14059. http://dx.doi.org/10.4137/cin.s14059.

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Various studies have implicated different multidomain proteins in cancer. However, there has been little or no detailed study on the role of circular multidomain proteins in the general problem of cancer or on specific cancer types. This work represents an initial attempt at investigating the potential for predicting linkages between known cancer-associated proteins with uncharacterized or hypothetical multidomain proteins, based primarily on circular permutation (CP) relationships. First, we propose an efficient algorithm for rapid identification of both exact and approximate CPs in multidomain proteins. Using the circular relations identified, we construct networks between multidomain proteins, based on which we perform functional annotation of multidomain proteins. We then extend the method to construct subnetworks for selected cancer subtypes, and performed prediction of potential linkages between uncharacterized multidomain proteins and the selected cancer types. We include practical results showing the performance of the proposed methods.
10

Klymko, Victor, Andriy Nadtochiy, David Sedorook, and Igor Ostrovskii. "Multidomain ferroelectric actuator." Journal of the Acoustical Society of America 128, no. 4 (October 2010): 2339. http://dx.doi.org/10.1121/1.3508279.

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Дисертації з теми "Multidomaines":

1

Léger, Corentin. "Conception de protéines artificielles multidomaines." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS384.

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La création de nouvelles fonctions basées sur la reconnaissance protéique et sur l'assemblage de domaines est un enjeu majeur en biotechnologie et est un moyen de comprendre les relations structures/fonctions des protéines engagées dans des processus d'interactions. Aujourd’hui, des bibliothèques de protéines artificielles obtenues par ingénierie peuvent être sources de protéines aux propriétés de reconnaissance analogues à celles des dérivés d’anticorps.L’équipe Modélisation et Ingénierie des Protéines a ainsi construit une banque de protéines à motifs structuraux répétés appelées « alphaReps ». Les alphaReps présentent des propriétés remarquables en termes de production et de stabilité. Contrairement à la plupart des anticorps et dérivés d’anticorps, elles peuvent même s’exprimer sous forme fonctionnelle dans le cytoplasme de cellules eucaryotes. De tels objets peuvent donc maintenant être utilisés comme des briques élémentaires en vue d’une ingénierie modulaire. Ainsi la construction de nouvelles fonctions de reconnaissance optimisées tant au niveau de la spécificité que de l’affinité sera possible en réarrangeant et/ou dupliquant ces briques élémentaires.Un premier volet de ce projet de thèse a consisté à construire puis étudier les propriétés biophysiques de protéines bidomaines basées sur les alphaReps afin de mieux comprendre les comportements adoptés par de telles constructions. Outre l’aspect fondamental de cette question, cette étude donnera « les règles » pour moduler de façon contrôlée les interactions entre ces protéines. Les résultats montrent qu'il est possible de créer de nouvelles fonctions par simple ajout d'un linker entre deux alphaReps : avidité, coopérativité, changement de conformation.Dans un second temps, l’objectif a été de développer, à partir des protéines bidomaines précédemment étudiées, de nouveaux biosenseurs basés sur le FRET (Förster Resonance Energy Transfer) pouvant être utilisés in vivo et in vitro. Cette deuxième partie présente deux biosenseurs avec des limites de détection de l'ordre du nanomolaire. Les alphaReps utilisées dans ces constructions pouvant être changées en fonction de la cible souhaitée, il s'agit ici d'une preuve de concept pouvant être généralisée à n'importe quelle cible.Enfin la dernière partie de cette thèse s'est portée sur la conception et l'étude de nouveaux biosenseurs génétiquement codables. Ces biosenseurs présentent notamment l’avantage d’être utilisables immédiatement après production et ne nécessitent donc plus d’étape de couplage chimique. Les résultats obtenus montrent que la création de tels biosenseurs est possible mais qu’une optimisation reste encore nécessaire pour améliorer leur spécificité, leur stabilité et leur capacité de détection
The creation of new protein functions based on recognition and molecular assembly is not only a major goal in biotechnology but is also a means to understand the relation structure/function of proteins involved in interaction processes. Today, libraries of artificial proteins obtained by engineering can be a source of proteins with recognition properties similar to the properties of antibodies.The team Protein Engineering and Modeling has thus created a library of proteins with structural repeats called the “alphaReps”. The alphaReps present remarkable properties in terms of production and stability. Unlike most of the antibodies and their derivatives, they can even be expressed and functional in the cytoplasm of eukaryotic cells. Such objects can therefore be used as building bricks in modular engineering. The construction of new optimized recognition functions both in specificity and in affinity can then be possible by rearranging or duplicating these elementary bricks.The first part of this thesis project consisted in the construction and study of the biophysical properties of bidomain proteins based on alphaRep in order to have a better understanding of the behaviour of such constructions. Beside the fundamental aspect of this question, this study will give the “rules” to modulate the interactions between these proteins in a controlled way. The results show that it is possible to create new functions such as avidity, cooperativity, conformational change, simply by adding a linker between two alphaReps.In a second step, the goal was to develop, with the bidomain proteins previously studied, new biosensors based on the FRET (Förster Resonance Energy Transfer) which can be used in vivo and in vitro. This second part presents two biosensors with limits of detection in the nanomolar range. Since the alphaReps used in these constructions can be changed depending on the chosen target, it is a proof of concept which can be adapted to any desired target.Finally, the third part of this thesis focused on the development of genetically codable biosensors. These biosensors have the particular advantage of being usable directly after production and therefore no longer require a chemical coupling step. The results show that the development of such biosensors is worth considering but an optimization is still required in order to improve their specificity, their stability and their detection capacity
2

MARTIN, Vincent. "Simulations multidomaines des écoulements en milieu poreux." Phd thesis, Université Paris Dauphine - Paris IX, 2004. http://tel.archives-ouvertes.fr/tel-00007142.

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Cette thèse traite des simulations multidomaines des écoulements en milieu poreux. Trois aspects sont abordés. Une étude est d'abord menée concernant une méthode de décomposition de domaines avec des maillages non-raccordés, utilisant des conditions d'interface de type Robin, pour les éléments finis mixtes. D'autre part, la méthode est implémentée en parallèle à l'aide du système parallèle OcamlP3l, écrit par des informaticiens dans le langage Ocaml. En OcamlP3l, l'utilisateur programme et débogue en séquentiel, puis obtient le code parallèle par une simple recompilation. Enfin, nous présentons un nouveau modèle d'écoulement dans un mileu poreux contenant de grandes fractures, avec des perméabilités très grandes et/ou très faibles. Dans ce modèle, les fractures sont traitées comme des interfaces entre sous-domaines. Une analyse théorique prouve l'existence et l'unicité de la solution, fournit une estimation d'erreur, qui est confirmée par des tests numériques.
3

Martin, Vincent. "Simulations multidomaines des écoulements en milieu poreux." Paris 9, 2004. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2004PA090006.

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Cette thèse traite des simulations multidomaines des écoulements en milieu poreux. Trois aspects sont abordés. Une étude est d'abord menée concernant une méthode de décomposition de domaines avec des maillages non-raccordés, utilisant des conditions d'interface de type Robin, pour les éléments finis mixtes. D'autre part, la méthode est implémentée en parallèle à l'aide du système parallèle OcamlP3l, écrit par des informaticiens dans le langage Ocaml. En OcamlP3l, l'utilisateur programme et débogue en séquentiel, puis obtient le code parallèle par une simple recompilation. Enfin, nous présentons un nouveau modèle d'écoulement dans un mileu poreux contenant de grandes fractures, avec des perméabilités très grandes et/ou très faibles. Dans ce modèle, les fractures sont traitées comme des interfaces entre sous-domaines. Une analyse théorique prouve l'existence et l'unicité de la solution, fournit une estimation d'erreur, qui est confirmée par des tests numériques
This thesis is mainly concerned with the multidomain simulations of flow in porous media. Three different themes are considered. First, we study a domain decomposition method with non-matching meshes using Robin type interface conditions, for the mixed finite elements. Second, this method is implemented in parallel using the parallel system OcamlP3l, written in Ocaml by computer scientists. In OcamlP3l, the user develops and debugs sequentially, and obtains the parallel code with a mere recompilation. A realistic 3D simulation is given to validate the procedure. Finally, we present a new model for flow in a porous medium containing large fractures that may have very large and/or very small permeabilities. In this model, the fractures are treated as interfaces between subdomains. Existence and uniqueness of the solution is proved and an error estimate is obtained. Some numerical experiments show the quality of the results
4

Batkam, Hemo Serge. "Thermique multidomaines en simulation numérique du remplissage 3D." Paris, ENMP, 2002. http://www.theses.fr/2002ENMP0001.

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Du fait des caractéristiques spécifiques des polymères fondus (forte dissipation d’énergie mécanique, faible conductivité thermique, thermodépendance de la viscosité, chocs thermiques aux parois du moule), la modélisation et la résolution du problème thermique constituent un enjeu majeur dans la simulation numérique du procédé d’injection. Pour s’affranchir des problèmes d’instabilités engendrés par les approches de Galerkin standard, nous avons proposé dans ce travail une méthode originale basée sur une technique d’éléments finis espace-temps discontinus. L’interpolation spatiale consiste en l’utilisation d’éléments mixtes de bas ordre P0/P0+ en température/flux de chaleur. En temps, la température et le flux sont interpolés par des polynômes de degré n. La formulation spatio-temporelle résultante est locale et facile à implémenter. Elle a révélé de bonnes propriétés de stabilité, de robustesse, et est apparue efficace pour traiter simultanément des problèmes à convection dominante et des problèmes à diffusion dominante. Rapide, elle a permis de réduire considérablement les temps de calcul par rapport aux approches explicites. Une difficulté supplémentaire pour prédire correctement les transferts thermiques dans le polymère est la détermination de conditions aux limites réalistes à la paroi de la cavité. D’où l’intérêt de les repousser plus loin, à l’extérieur des outillages ou dans les canaux de régulation. Nous avons proposé un schéma numérique qui permet de prendre en compte la thermique des domaines environnants la cavité (approche multidomaines). Ce schéma ne nécessite pas la coïncidence des maillages à l’interface entre les différents domaines. Un traitement spécial aux interfaces permet de gérer naturellement les échanges thermiques entre deux domaines en contact, sans qu’il soit nécessaire de spécifier un coefficient de transfert à l’interface. L’ensemble des méthodes numériques développées ont été validées sur des solutions analytiques, puis implémentées dans le solveur thermique du logiciel REM3D®. Plusieurs exemples de remplissage 3D complexes, incluant un couplage thermomécanique dans la cavité, et éventuellement une thermique du moule et des inserts dans la cavité (injection/surmoulage) sont proposés
Solving the thermal problem is a key point for the numerical simulation of injection molding. The main causes of the numerical difficulties encountered by classical Galerkin techniques are the specific characters of molten polymers: high energy dissipation, low thermal conductivity, thermal shocks at the mold wall, thermal dependence of rheology. In this contribution, we have developed a space-time finite element method to solve the heat equation. A discontinuous Galerkin technique using P0/P0+ elements is proposed for the steady problem. The transient problem is treated with a discontinuous high order finite element in time method. The so-built scheme is local and easy to implement. It reveals good properties of stability, robustness and speed. Its appears to be efficient both for convection dominant and diffusion dominant equations, and is therefore suitable for injection molding process. Another difficulty when modelling the thermal exchanges in the polymer is to define accurate boundary conditions at the cavity frontier. We have investigated a numerical scheme which allows to couple the computations in the polymer with thermal computations in domains surrounding the cavity (multidomain approach). This scheme does not require coincident meshes between the domains. A specific processing at the interfaces guarantees natural thermal exchanges between two domains in contact, with no regard of any particular heat exchange coefficient specified at the interface. All the proposed methods have been validated through analytic examples, then integrated to the thermal solver of REM3D® software. Several examples of complex 3D mold filling, including thermomechanical coupling in the cavity, and possibly thermal coupling in the mold or in inserts (overmolding injection process) are given
5

Laduguie, Sylvain. "Etude et réalisation d'un système de programmation logique par contraintes abstraites multidomaines." Besançon, 1993. http://www.theses.fr/1993BESA2045.

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Nous proposons dans cette thèse une nouvelle approche des systèmes de programmation logique avec contraintes. Son principe est de fournir à l'utilisateur des traits de langage de haut niveau d'abstraction, afin de lui permettre d'exprimer ses problèmes de manière simple et naturelle, dans un environnement proche de son univers de discours. A partir d'éléments de base (entiers, booléens, réels,. . . ), il est possible de définir de nouvelles classes d'objets, de plus en plus complexes, et les relations entre ces objets. Ces classes sont regroupées en librairies dont l'utilisateur peut disposer pour modéliser son problème. Une fois définie, la modélisation abstraite d'un problème est ensuite soumise à des transformations, dont le but est de déterminer un ensemble équivalent de contraintes de base exploitables par les méthodes classiques de résolution. Cette approche a été validée par le développement d'un système travaillant sur les entiers et les booléens.
6

CHAN, HUAH YONG. "Gestion auto-adaptative et administration de l'allocation des ressources dans les systemes repartis a objets multidomaines." Besançon, 1999. http://www.theses.fr/1999BESA2052.

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Le contexte du travail presente dans cette these se situe aux frontieres des domaines : systemes repartis a objets, gestion de ressources, equilibrage de charges, mobilite des objets, federation multidomaine, et auto-adaptation. Notre etude s'etend de la modelisation d'administration de ressources pour un sro large notamment dans un environnement corba, a la concretisation avec notre systeme. La mobilite des objets basee sur la decision par l'analyse multicritere et le modele relationnel est utilisee afin d'optimiser l'allocation de ressources. Notre systeme est compose de deux niveaux : le go-site, responsable de l'allocation de ressources dans un domaine local, et le go-domaine, qui gere la cooperation entre differents domaines ainsi que le placement inter-domaine. Les resultats obtenus montrent que le surcout de notre proposition est faible par rapport aux avantages procures. Notre systeme est capable de fournir une meilleure qos du point de vue des performances et des autres proprietes de ressources dans un contexte logiciel et materiel comme la securite, la bande passante et la coallocation. Nous utilisons le concept de reflexion et une technique de proxy pour permettre la transparence d'allocation de ressources et d'adaptation a l'environnement. Notre contribution principale dans ce champ de recherche se situe dans l'utilisation d'une combinaison des theories, des modeles et des plateformes existantes pour avoir une solution implantee et testee, et pouvant etre verifiee et utilisee par les autres. Nous concluons notre travail avec cette phrase : apprendre avec les experiences, comprendre avec les modelisations, adapter avec les reflexions.
7

Vukadinovic, Nicolas. "Dynamique de spin dans les films minces de grenat ferrimagnétique mono et multidomaines résonance de parois magnétiques /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37619119f.

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8

Vukadinovic, Nicolas. "Dynamique de spin dans les films minces de grenat ferrimagnetique mono et multidomaines : resonance de parois magnetiques." Paris 6, 1988. http://www.theses.fr/1988PA066597.

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Les resonances de parois magnetiques ont ete etudiees dans des films minces de grenat ferrimagnetique de plan de croissance (111) et (110). L'influence des parametres intrinseques du materiau (aimantation, anisotropies, epaisseur) ainsi que celle d'un champ planaire d'intensite et d'orientation variables sur la frequence de resonance ont ete etudiees. Les resultats obtenus sont discutes a partir du modele de l'oscillateur harmonique. La forte sensibilite de la technique experimentale utilisee a permis l'observation d'un mode de vibration de parois d'ordre superieur ainsi que celle de resonances elastiques liees aux oscillations de parois magnetiques par couplage magnetoelastique. Une mesure directe ainsi qu'une analyse des coefficients d'amortissement de resonance de parois magnetiques ont permis de montrer que ce parametre est superieur a celui de resonance ferromagnetique dans les films de faible relaxation
9

Sonke, Tabuguia Luc. "Étude numérique des équations de Navier-Stokes en milieux multiplement connexes, en formulation vitesse-tourbillon, par une approche multidomaines." Paris 11, 1989. http://www.theses.fr/1989PA112280.

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Ce travail peut se diviser en trois parties. Dans la première partie (chapitres 1 et 2), nous étudions les équations de Navier­ Stokes en formulation vitesse-tourbillon, sur le problème modèle de la cavité en­ traînée. Une technique de symétrisation est développée au chapitre 2, pour une approche algorithmique de certains problèmes linéaires non symétriques. Elle est appliquée à une forme linéarisée de l'équation du tourbillon. La seconde partie traite des méthodes de décomposition de domaines pour les problèmes symétriques (chapitre 3) et non symétriques (chapitre 4). Dans le cas continu, l'analyse mathématique du problème de coordination utilise l'opérateur de Steklov-Poincaré. Une solution algorithmique est donnée dans le cas symétrique. La technique de symétrisation introduite au chapitre 2 permet une approche algorithmique dans le cas non symétrique. Dans le cas discret, le problème est essentiellement ramené à l'étude de la matrice de complément de Schur. Dans la troisième partie (chapitre 5), nous appliquons les méthodes développées dans les chapitres précédents à l'étude des équations de Navier-Stokes en milieux multiplement connexes. Ce travail s'achève par la parallèlisation des algorithmes développés (chapitre 6), en vue de leur utilisation optimale sur les supercalculateurs multiprocesseurs
This work can be divided into three parts. In the first part (chapters 1 and 2), we study the driven cavity problem with the Navier-Stokes equations in velocity-vorticity formulation. A symmetrization technique for algorithmic solution of non-symmetric linear problems is introduced in chapter 2. This technique is applied to the calculation of solution of a linearized form of vorticity equation. In the second part, we develop domain decomposition methods for symmetric problems (chapter 3) and non-symmetric problems (chapter 4). An algorithmic approach is developed in both cases. We use Steklov-Poincaré operator for the mathematical analysis of coordination problem. The discrete version of the coordination problem is studied through the Schur complement matrix. In the third part (chapter 5), we apply techniques and methods developed in previous chapters to the study of fluid motion in multiply connected regions. We conclude this work in chapter 6, by a study of parallel extensions of our algorithms, with a view to their utilization on multiprocessors computers
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Fonseca, Mauro Sergio Pereira. "Architectures basées sur les politiques et SLAs pour la gestion et le contrôle des services et réseaux multidomaines émergents." Paris 6, 2003. http://www.theses.fr/2003PA066254.

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Книги з теми "Multidomaines":

1

Landriani, G. Sacchi. A multidomain spectral collocation method for the Stokes problem. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1989.

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2

Landriani, G. Sacchi. A multidomain spectral collocation method for the Stokes problem. Hampton, Va: Institute for Computer Applications in Science and Engineering, 1989.

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3

Landriani, G. Sacchi. A multidomain spectral collocation method for the Stokes problem. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1989.

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4

Kopriva, David A. A conservative staggered-grid Chebyshev multidomain method for compressible flows. Hampton, Va: Langley Research Center, 1995.

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5

Kopriva, David A. Spectral solution of the viscous blunt body problem. II: Multidomain approximation. Hampton, Va: Langley Research Center, 1994.

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6

Kopriva, David A. A conservative staggered-grid Chebyshev multidomain method for compressible flows. II: A semi-structured method. Hampton, Va: Institute for Computer Applications in Science and Engineering, 1996.

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7

Unesco Workshop on Structure and Function of Proteins (1984 Budapest, Hungary). Multidomain proteins: Proceedings of the Unesco Workshop on Structure and Function of Proteins, Budapest, September 13-15, 1984. Budapest: Akadémiai Kiadó, 1986.

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8

G, Hardie D., and Coggins J. R, eds. Multidomain proteins: Structure andevolution. Oxford: Elsevier, 1986.

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9

G, Hardie D., and Coggins J. R, eds. Multidomain proteins: Structure and evolution. Amsterdam: Elsevier, 1986.

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10

Aligning Roles and Missions for Future Multidomain Warfare. RAND Corporation, 2021. http://dx.doi.org/10.7249/rr-a160-1.

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Частини книг з теми "Multidomaines":

1

Weik, Martin H. "multidomain network." In Computer Science and Communications Dictionary, 1052. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_11875.

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2

Coupez, Thierry, Hugues Digonnet, Elie Hachem, Patrice Laure, Luisa Silva, and Rudy Valette. "Multidomain Finite Element Computations." In Arbitrary Lagrangian-Eulerian and Fluid-Structure Interaction, 221–90. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118557884.ch5.

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3

Frattolillo, Franco, and Salvatore D’Onofrio. "Exploiting Multidomain Non Routable Networks." In Parallel and Distributed Processing and Applications, 696–709. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11946441_64.

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4

Hawkins, Alastair R., and Heather K. Lamb. "The molecular biology of multidomain proteins." In EJB Reviews, 245–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-85252-7_17.

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5

Hwang, Peter, Dawid Kurzyniec, and Vaidy Sunderam. "Heterogeneous Parallel Computing Across Multidomain Clusters." In Recent Advances in Parallel Virtual Machine and Message Passing Interface, 337–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-30218-6_47.

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6

Xue, Jing, David S. Burz, and Alexander Shekhtman. "Segmental Labeling to Study Multidomain Proteins." In Advances in Experimental Medicine and Biology, 17–33. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4954-2_2.

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7

Frattolillo, Franco. "Running PVM Applications on Multidomain Clusters." In Recent Advances in Parallel Virtual Machine and Message Passing Interface, 166–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11846802_28.

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8

Pathak, Samridhi, Ricka Gauba, Sarath Chandra Dantu, Dhriti Sheth, and Avinash Kale. "Formin: The Multidomain Elongator of Actin Polymer." In Actin Polymerization in Apicomplexan, 29–38. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-7450-0_3.

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9

Gastaldi, Fabio. "A Multidomain Decomposition for the Transport Equation." In Variational and Free Boundary Problems, 87–109. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4613-8357-4_7.

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10

Petrone, Mario, and Roberto Zarrelli. "Utilizing PVM in a Multidomain Clusters Environment." In Recent Advances in Parallel Virtual Machine and Message Passing Interface, 241–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11557265_33.

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Тези доповідей конференцій з теми "Multidomaines":

1

Vázquez-Gómez, José de J. "Modelling multidomain security." In Proceedings on the 1992-1993 workshop. New York, New York, USA: ACM Press, 1993. http://dx.doi.org/10.1145/283751.283842.

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2

Guo, Jianxin, Sheng Li Wu, Zhenjun Ma, and Xinmin Huang. "Multidomain STN LCDs." In Liquid Crystals, edited by Jolanta Rutkowska, Stanislaw J. Klosowicz, Jerzy Zielinski, and Jozef Zmija. SPIE, 1998. http://dx.doi.org/10.1117/12.300036.

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3

Pollehn, Herbert K., and Jack S. Ahearn. "Multidomain smart sensors." In AeroSense '99, edited by Bjorn F. Andresen and Marija Strojnik. SPIE, 1999. http://dx.doi.org/10.1117/12.354544.

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4

Li, Bingcheng. "Network dynamics based multidomain sensor data processing and fusion for multidomain operations." In Artificial Intelligence and Machine Learning for Multi-Domain Operations Applications II, edited by Tien Pham, Latasha Solomon, and Katie Rainey. SPIE, 2020. http://dx.doi.org/10.1117/12.2559990.

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5

Kochan, Matthew J., and Timothy A. Farrell. "Multidomain operations science and technology." In Defense and Security, edited by Dawn A. Trevisani and Alex F. Sisti. SPIE, 2004. http://dx.doi.org/10.1117/12.548264.

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6

Pickavet, Mario, Pieter Audenaert, Jeroen Vanhaverbeke, Dimitri Staessens, Didier Colle, and Piet Demeester. "Optimizing Reliable Multidomain Optical Routing." In Proceedings of 2006 8th International Conference on Transparent Optical Networks. IEEE, 2006. http://dx.doi.org/10.1109/icton.2006.248385.

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7

Sorokin, A. A., I. M. Smurov, and D. P. Kirianov. "TAGGING AND PARSING OF MULTIDOMAIN COLLECTIONS." In International Conference on Computational Linguistics and Intellectual Technologies "Dialogue". Russian State University for the Humanities, 2020. http://dx.doi.org/10.28995/2075-7182-2020-19-670-683.

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In this paper we describe our submission to GramEval2020 competition on morphological tagging, lemmatization and dependency parsing. Our model uses biaffine attention over the BERT representations. The main feature of our work is the extensive usage of language model, tagger and parser fine-tuning on several distinct genres and the implementation of genre classifier. To deal with dataset idiosyncrasies we also extensively apply handwritten rules. Our model took second place in the overall model performance scoring 90.8 aggregate measure over all 4 tasks
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Kadambari, Sai Kiran, and Sundeep Prabhakar Chepuri. "Learning Product Graphs from Multidomain Signals." In ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2020. http://dx.doi.org/10.1109/icassp40776.2020.9054679.

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9

Garberoglio, Leonardo, Patricio Moreno, Ignacio Mas, and Juan I. Giribet. "Autonomous Vehicles for Outdoor Multidomain Mapping." In 2018 IEEE Biennial Congress of Argentina (ARGENCON). IEEE, 2018. http://dx.doi.org/10.1109/argencon.2018.8646054.

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10

Kobayashi, Shunsuke, and Yasufumi Iimura. "Multidomain TN-LCD fabricated by photoalignment." In Electronic Imaging '97, edited by Ranganathan Shashidhar. SPIE, 1997. http://dx.doi.org/10.1117/12.271401.

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Звіти організацій з теми "Multidomaines":

1

Saalman, Lora. Multidomain Deterrence and Strategic Stability in China. Stockholm International Peace Research Institute, January 2022. http://dx.doi.org/10.55163/fyxq3853.

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Over the past few years, China has displayed a wide range of advances in military capabilities and infrastructure, including its test of a hypersonic glide vehicle coupled with a fractional orbital bombardment system and evidence of new intercontinental ballistic missile silos. While China and the United States remain at political odds, there are indications that China’s strategies in space, cyberspace and nuclear domains are increasingly converging with those of the USA, as well as Russia. A key question is whether this strategic convergence is a stabilizing or destabilizing phenomenon. To answer the question, this paper explores the current state of Chinese discussions on multidomain deterrence and strategic stability, with a focus on active defence and proactive defence. It then examines how these concepts are manifesting themselves in China’s postural and technological indicators, including pre-mating of nuclear warheads to delivery platforms, expanded nuclear arsenal size, possible shifts towards launch on warning, integration of dual-capable systems, and advances in machine learning and autonomy. It concludes with a discussion of what these trends mean for future strategic stability talks.
2

Nielsen, Steen A., and Jan S. Hesthaven. A Multidomain Pseudospectral Formulation for the Simulation of Elastic Wave Scattering. Fort Belvoir, VA: Defense Technical Information Center, March 2001. http://dx.doi.org/10.21236/ada462237.

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3

Greene, Geoffrey. Multidomain Assembly of Nuclear Estrogen Receptors: Structural Insights into ER-Positive Breast Cancer Therapeutics. Fort Belvoir, VA: Defense Technical Information Center, April 2012. http://dx.doi.org/10.21236/ada562255.

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4

Perdigão, Rui A. P. Earth System Dynamic Intelligence - ESDI. Meteoceanics, April 2021. http://dx.doi.org/10.46337/esdi.210414.

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Earth System Dynamic Intelligence (ESDI) entails developing and making innovative use of emerging concepts and pathways in mathematical geophysics, Earth System Dynamics, and information technologies to sense, monitor, harness, analyze, model and fundamentally unveil dynamic understanding across the natural, social and technical geosciences, including the associated manifold multiscale multidomain processes, interactions and complexity, along with the associated predictability and uncertainty dynamics. The ESDI Flagship initiative ignites the development, discussion and cross-fertilization of novel theoretical insights, methodological developments and geophysical applications across interdisciplinary mathematical, geophysical and information technological approaches towards a cross-cutting, mathematically sound, physically consistent, socially conscious and operationally effective Earth System Dynamic Intelligence. Going beyond the well established stochastic-dynamic, information-theoretic, artificial intelligence, mechanistic and hybrid techniques, ESDI paves the way to exploratory and disruptive developments along emerging information physical intelligence pathways, and bridges fundamental and operational complex problem solving across frontier natural, social and technical geosciences. Overall, the ESDI Flagship breeds a nascent field and community where methodological ingenuity and natural process understanding come together to shed light onto fundamental theoretical aspects to build innovative methodologies, products and services to tackle real-world challenges facing our planet.
5

Barash, Itamar, and Robert Rhoads. Translational Mechanisms Governing Milk Protein Levels and Composition. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7696526.bard.

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Original objectives: The long-term goal of the research is to achieve higher protein content in the milk of ruminants by modulating the translational apparatus of the mammary gland genetically, nutritionally, or pharmacologically. The short-term objectives are to obtain a better understanding of 1) the role of amino acids (AA) as regulators of translation in bovine and mouse mammary epithelial cells and 2) the mechanism responsible for the synergistic enhancement of milk-protein mRNA polyadenylation by insulin and prolactin. Background of the topic: In many cell types and tissues, individual AA affect a signaling pathway which parallels the insulin pathway to modulate rates and levels of protein synthesis. Diverse nutritional and hormonal conditions are funneled to mTOR, a multidomain serine/threonine kinase that regulates a number of components in the initiation and elongation stages of translation. The mechanism by which AA signal mTOR is largely unknown. During the current grant period, we have studied the effect of essential AA on mechanisms involved in protein synthesis in differentiated mammary epithelial cells cultured under lactogenic conditions. We also studied lactogenic hormone regulation of milk protein synthesis in differentiated mammary epithelial cells. In the first BARD grant (2000-03), we discovered a novel mechanism for mRNA-specific hormone-regulated translation, namely, that the combination of insulin plus prolactin causes cytoplasmic polyadenylation of milk protein mRNAs, which leads to their efficient translation. In the current BARD grant, we have pursued the signaling pathways of this novel hormone action. Major conclusions/solutions/achievements: The positive and negative signaling from AA to the mTOR pathway, combined with modulation of insulin sensitization, mediates the synthesis rates of total and specific milk proteins in mammary epithelial cells. The current in vitro study revealed cryptic negative effects of Lys, His, and Thr on cellular mechanisms regulating translation initiation and protein synthesis in mammary epithelial cells that could not be detected by conventional in vivo analyses. We also showed that a signaling pathway involving Jak2 and Stat5, previously shown to lead from the prolactin receptor to transcription of milk protein genes, is also used for cytoplasmic polyadenylation of milk protein mRNAs, thereby stabilizing these mRNAs and activating them for translation. Implications: In vivo, plasma AA levels are affected by nutritional and hormonal effects as well as by conditions of exercise and stress. The amplitude in plasma AA levels resembles that applied in the current in vitro study. Thus, by changing plasma AA levels in the epithelial cell microenvironment or by sensitizing the mTOR pathway to their presence, it should be possible to modulate the rate of milk protein synthesis. Furthermore, knowledge that phosphorylation of Stat5 is required for enhanced milk protein synthesis in response to lactogenic opens the possibility for pharmacologic approaches to increase the phosphorylation of Stat5 and, thereby, milk protein production.

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