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Dissertations / Theses on the topic 'Extension Contacts'

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1

Brevier, Julien. "Symétrie brisée et renforcement de contacts cellulaires." Phd thesis, Université Joseph Fourier (Grenoble), 2006. http://tel.archives-ouvertes.fr/tel-00093284.

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Nous avons étudié la croissance de contacts cellulaires asymétriques: les jonctions adhérentes et les contacts focaux. Nous avons montré par des expériences d'imageries, de micromanipulation, et d'altération des assemblages cellulaires, que la brisure de symétrie des jonctions adhérentes entre des cellules apparemment identiques s'explique par des rôles différents du cytosquelette d'actine des deux cellules formant le contact. Une cellule «donneuse» polymérise de l'actine, ce qui amène les membranes cellulaires en contact. La cellule «receveuse» assemble des faisceaux contractiles d'acto-myosi
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2

Akula, Basava Raju. "Une extension de la méthode mortar pour application aux contacts et au couplage de maillages." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLEM003/document.

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Cette thèse a pour but de développer un ensemble de méthodes permettant de gérer les problèmes de contact et de couplage de maillages dans le cadre de la méthode des éléments finis classiques et étendus. Ces problèmes d'interfaces sont traités le long de surfaces réelles et virtuelles, dites “surfaces immergées”. Le premier objectif est d’élaborer une formulation de Mortar tridimensionnelle, efficace et parfaitement cohérente en utilisant la méthode du Lagrangien augmenté monolithique (ALM) pour traiter les problèmes de contact et de frottement. Cet objectif est réalisé dans le cadre de la mét
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3

Bohatier, Claude. "Etude des grandes déformations de solides viscoplastiques, contacts dissipatifs et évolutifs, extension au comportement élasto-viscoplastique." Nice, 1986. http://www.theses.fr/1986NICE4015.

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On propose une méthode récursive qui utilise un schéma d'intégration implicite qui conduit à la convergence, à la fois vers la solution du champ de vitesses et du domaine instantané. Simulation numérique par la méthode des éléments finis d'un écrasement de barre en viscoplasticité. Extension de la méthode permettant de traiter les cas avec des conditions de contact unilatéral. Modélisation du frottement en vitesses, associée a une dissipation surfacique. Algorithme pour l'étude de l'évolution de la surface libre. Extension au cas où la loi de comportement est solution d'une équation fonctionne
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4

Bohatier, Claude. "Etude des grandes déformations de solides viscoplastiques, contacts dissipatifs et évolutifs, extension au comportement élasto-viscoplastique." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375961196.

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5

Macomber, Kristine Claire. "An Extension of the Intergroup Contact Theory: The Effects of Black-White Contact and Interracial Friendships on Whites' Racial Attitudes." NCSU, 2004. http://www.lib.ncsu.edu/theses/available/etd-07152004-152658/.

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Using data from the 1998 General Social Survey, this thesis examines the effects of black-white contact and close interracial friendships on whites? attitudes towards blacks. Intergroup contact theory maintains that contact between people of different groups reduces prejudices and improves attitudes. The majority of previous contact studies have focused on casual black-white contact in neighborhoods and workplaces. Emerging in the current literature is a focus on more personal contact between blacks and whites, as in close friendships. I hypothesize that a positive relationship exists between
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6

Silva, Liliana Carvalho da. "Efeitos adversos associados ao uso extensivo de lentes de contacto de silicone hidrogel." Master's thesis, Universidade da Beira Interior, 2013. http://hdl.handle.net/10400.6/1497.

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Embora as lentes de contacto de silicone hidrogel para uso extensivo serem as mais utilizadas devido às suas vantagens, isto é, de permitir mais oxigénio mas com menor quantidade de água e de proporcionar uma correcção visual adequada e de forma a prescindir do manuseamento durante um período de tempo considerável, existem alguns efeitos adversos associados ao uso extensivo das lentes de contacto deste tipo de material. Devido à situação descrita anteriormente, é importante ter o conhecimento das causas que originam estas ocorrências como também dos sinais e sintomas para precaver e solu
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7

El, Madhoun Nour. "Towards more secure contact and NFC payment transactions : new security mechanisms and extension for small merchants." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS168.

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EMV est la norme implémentée pour sécuriser une transaction d'achat avec contact ou sans contact (NFC) entre un appareil de paiement d'un client et un PoS. Elle représente un ensemble de messages de sécurité échangés entre les acteurs de la transaction, garantissant plusieurs propriétés de sécurité importantes. En effet, plusieurs chercheurs ont analysé le fonctionnement de la norme EMV afin de vérifier sa fiabilité: ils ont identifié plusieurs vulnérabilités de sécurité qui représentent aujourd'hui des risques majeurs pour notre sécurité au quotidien. Par conséquent, nous sommes intéressés à
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8

El, Madhoun Nour. "Towards more secure contact and NFC payment transactions : new security mechanisms and extension for small merchants." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS168.

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EMV est la norme implémentée pour sécuriser une transaction d'achat avec contact ou sans contact (NFC) entre un appareil de paiement d'un client et un PoS. Elle représente un ensemble de messages de sécurité échangés entre les acteurs de la transaction, garantissant plusieurs propriétés de sécurité importantes. En effet, plusieurs chercheurs ont analysé le fonctionnement de la norme EMV afin de vérifier sa fiabilité: ils ont identifié plusieurs vulnérabilités de sécurité qui représentent aujourd'hui des risques majeurs pour notre sécurité au quotidien. Par conséquent, nous sommes intéressés à
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9

Jiang, Chu-Wei School of Photovoltaic Engineering UNSW. "Theoretical and experimental study of energy selective contacts for hot carrier solar cells and extensions to tandem cells." Awarded by:University of New South Wales. School of Photovoltaic Engineering, 2005. http://handle.unsw.edu.au/1959.4/23065.

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Photovoltaics is currently the fastest growing energy source in the world. Increasing the conversion efficiency towards the thermodynamic limits is the trend in research development. ???Third generation??? photovoltaics involves the investigation of ideas that may achieve this goal. Among the third generation concepts, the tandem cell structure has experimentally proven to have conversion efficiencies higher than a standard p-n junction solar cell. The alternative hot carrier solar cell design is one of the most elegant approaches. Energy selective contacts are crucial elements for the operati
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10

Fionda, Maria Ida. "Spanish in contact with French and English in Montreal lexical borrowings, semantic extensions, loan translations and morphosyntactic variation /." [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0022778.

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11

Di, Stasio Jean. "The CD-Lagrange scheme, a robust explicit time-integrator for impact dynamics : A new singular mass formulation, and an extension to deformable-deformable contact." Thesis, Lyon, 2021. http://www.theses.fr/2021LYSEI029.

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Les pneumatiques sont complexes à simuler car les matériaux y sont hétérogènes, incompressibles et non-linéaires. De plus la géométrie descend jusqu’à l’échelle millimétrique pour les sculptures de la bande de roulement, ce qui requiert un maillage fin. Le modèle éléments finis présente donc un grand nombre de degrés de liberté, reliés par des équations non-linéaires. En dynamique, la simulation est d’autant plus compliquée avec des chocs. Néanmoins elle est cruciale dans le processus de conception pneumatique, où elle apporte une meilleur compréhension de la physique ceci sans tests réels. Le
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12

Santos, Mario Cesar Borba. "O método da extensão virtual da trinca na fadiga por contato do tipo "spalling"." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2004. http://hdl.handle.net/10183/6766.

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O estudo dos mecanismos de fadiga por contato tem grande relevância para o estudo dos componentes mecânicos que estão sujeitos ao desgaste. O desgaste é um tipo de falha que ocorre na maioria dos componentes que trabalham em contato. Atualmente para prever o desgaste são utilizados métodos experimentais que permitem ajustar curvas semi-empíricas, ou seja, o resultado depende de vários testes que além de caros são demorados. Com o aumento da competitividade na indústria, o tempo se tornou artigo de luxo e com isso o aprimoramento dos modelos de cálculo e das simulações numéricas são muito bem j
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13

Cavalheiro, Nuno Miguel Batalha. "Análise dos instrumentos previsionais e de prestação de contas das autarquias locais: extensão e limitações." Master's thesis, Universidade de Évora, 2015. http://hdl.handle.net/10174/13224.

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Os processos de globalização, de transferência de competências para governos supranacionais, a reorganização administrativa do território nacional e redução de serviços públicos são uma realidade que tende a afastar os processos de decisão das pessoas. O papel dos governos subnacionais (municípios) e o modo como podem contribuir para promover o desenvolvimento local é um tema de particular interesse. O objetivo deste trabalho é analisar as atribuições e competências dos municípios e os instrumentos financeiros que dispõem, perceber até que ponto podem ser facilitadores de uma intervenção local
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14

Silva, Felipe Ennes. "Extensão da zona de contato e potencial hibridação entre Alouatta caraya e Alouatta guariba clamitans na região de São Francisco de Assis, RS." Pontifícia Universidade Católica do Rio Grande do Sul, 2010. http://hdl.handle.net/10923/5331.

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Made available in DSpace on 2013-08-07T19:12:15Z (GMT). No. of bitstreams: 1 000426433-Texto+Completo-0.pdf: 8008637 bytes, checksum: 3bef41f6527942b391494e5d3fa788a6 (MD5) Previous issue date: 2010<br>The occurrence of contact zones of the distribution of Alouatta species and their likely hybridization were recently described for A. palliata and A. pigra in Mexico and A. caraya and A. guariba clamitans in south Brazil and northeast Argentina. The present study focused on determining the extension of one of these contact zones and potential hybridization (Cerro dos Negros) in São Francisco d
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15

Robinson, Erin Kathleen. "Differences in Maximal Speed Running Between Baseball Players and Sprinters." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd751.pdf.

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16

Molin, João Paulo Dal. "O papel do código estereoquímico e das flutuações térmicas locais no processo de folding de proteínas." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/60/60136/tde-16032011-143419/.

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O problema do folding de proteínas tem sido investigado intensamente há mais de sessenta anos. Entretanto ainda não é encontrado na literatura um modelo que seja capaz de explicar plenamente qual é o mecanismo responsável pelo processo de folding. Neste contexto, a presente tese de doutorado é uma proposta minimalista para investigar o papel de um código estereoquímico, que é centrado no efeito hidrofóbico e nos vínculos estéricos dos aminoácidos (o modelo estereoquímico), no processo em pauta. Esse modelo quando combinado com um método para incluir a flutuação térmica local no sistema cadeia
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17

Berényiová, Christiána. "Mateřská škola." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392057.

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The subject of this diploma thesis is design and project documentation of a kindergarten in Velké Pavlovice. It is a separately standing structure with two floors and partial basement located in slightly sloping terrain. The building is constructed of sand-lime blocks with contact thermal insulation, supported by strip foundations. Ceiling construction is made of prestressed hollow-core slabs. This object is roofed by a simple, flat, extensive roof. This kindergarten is designed for 40 children divided into two sections which are located right in the 1st floor together with food delivery. The
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18

Křenek, Vojtěch. "Mateřská škola." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372005.

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The aim of my diploma thesis is to elaborate project documentation for the execution of a new building of kindergarten. The intention is to construct a new kindergarten which access preschool-age children has visual contact with nature and space of outside. This is purpose why all main windows face south. In the second floor is situated schoolroom for minor activity. The building is designed as brick, using clay blocks which are put on concrete foundation strips. Basement walls are from formwork brick fill concrete and steel armature. Thermal insulation is from contact thermal insulation syste
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19

Terziev, Christo. "Podnikatelský záměr na tenisové centrum a jeho rozšíření formou franchisingu." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2016. http://www.nusl.cz/ntk/nusl-255784.

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20

Kong, Deqing. "Dynamics of cell contacts during cell intercalation in epithelial tissue elongation of Drosophila embryos." Doctoral thesis, 2017. http://hdl.handle.net/11858/00-1735-0000-0023-3F72-5.

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21

"Estar Extension in Arizona: A Language Contact Study." Master's thesis, 2012. http://hdl.handle.net/2286/R.I.15209.

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abstract: Past research has isolated an extension of the copular verb estar into the domain previously sanctioned for its counterpart, ser. This extension has been found in areas of contact between American English and Spanish speaking Mexican immigrants. A similar situation of contact is in occurrence in Arizona, and this study endeavored to evaluate if this same extension was present, and to what degree. This study also explores the framework of linguistic hegemony in order to relate language attitudes in Arizona to language change in Arizona. The findings revealed minimal extension. This ma
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22

Macomber, Kristine C. "An extension of the intergroup contact theory the effects of black-white contact and interracial friendships on whites' racial attitudes /." 2004. http://www.lib.ncsu.edu/theses/available/etd-07152004-152658/unrestricted/etd.pdf.

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23

Kurtdere, Ayşe [Verfasser]. "Kählerian extensions of contact manifolds and their reductions / vorgelegt von Ayşe Kurtdere." 2009. http://d-nb.info/99653976X/34.

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24

Dominguez, Brandon James. "Characterization of livestock herds in extensive agricultural settings in southwest Texas." 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1302.

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Because of an ever-increasing threat of foreign animal disease outbreaks in the United States, there is a desire to develop strategies to prevent the occurrence of a foreign animal disease and control an outbreak if it does occur. Infectious disease models have been developed and are being used to determine reasonable mitigation strategies. However, little information is available concerning premises characteristics and movement of animals in extensively managed livestock areas. Hence adaptation of these models to areas where there is low livestock density is not easy. We collected empirical d
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