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Letteratura scientifica selezionata sul tema "TransLucid"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 1 febbraio 2022

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Articoli di riviste sul tema "TransLucid"

Coltro, José. "A New Persicula (Gastropoda: Cysticidae) from Central Brazil". Festivus 52, n. 3 (1 agosto 2020): 253–55. http://dx.doi.org/10.54173/f523253.

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Fernando Mauricio Villalta Mendoza, Jhonny Leonel Gonzalez Ortega e Yulissa Raquel Abad Salinas. "Photopolymerization devises light intensity relation with physical translucid barriers use". World Journal of Advanced Research and Reviews 8, n. 1 (30 ottobre 2020): 180–87. http://dx.doi.org/10.30574/wjarr.2020.8.1.0382.

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Nowadays, the use of halogen or light emission diode (LED) devices in dental attention is constant for almost any oral treatment. The need of providing an adequate light intensity for a correct photopolymerization of the resinous materials is critical. Likewise, it is important to consider the biosecurity norms for avoiding cross-contamination by residues likely to be accumulated at the top of the light guide in contact with oral cavity fluids. Therefore, the use of translucid barriers at the top of the light guide is imperative to protect the health of the patient while providing a correct polymerization of the resinous materials. The present study analyzes the effect of using four translucid barriers in the light intensity of three dental lamps commercially available. The tested barriers are two of commercial availability, and two conventional plastic wraps. Results indicate a significant reduction of light intensity without affecting the requirements for a correct photopolymerization with any barrier. Differences among barriers points out a conventional plastic wrap as more suitable than commercially available barriers, considering only light intensity provided.

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Plaice, John, Blanca Mancilla e Gabriel Ditu. "From Lucid to TransLucid: Iteration, Dataflow, Intensional and Cartesian Programming". Mathematics in Computer Science 2, n. 1 (novembre 2008): 37–61. http://dx.doi.org/10.1007/s11786-008-0043-9.

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Vitorino, Patrícia Goulart, José Donizeti Alves, Paulo César Magalhães, Marcelo Murad Magalhães, Luíz Carlos Oliveira Lima e Luiz Edson Mota de Oliveira. "Flooding tolerance and cell wall alterations in maize mesocotyl during hypoxia". Pesquisa Agropecuária Brasileira 36, n. 8 (agosto 2001): 1027–35. http://dx.doi.org/10.1590/s0100-204x2001000800004.

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This research aimed to characterize the tolerance to flooding and alterations in pectic and hemicellulose fractions from mesocotyl of maize tolerant to flooding when submitted to hypoxia. In order to characterize tolerance seeds from maize cultivars Saracura BRS-4154 and BR 107 tolerant and sensitive to low oxygen levels, respectively, were set to germinate. Plantlet survival was evaluated during five days after having been submitted to hypoxia. After fractionation with ammonium oxalate 0.5% (w/v) and KOH 2M and 4M, Saracura BRS-4154 cell wall was obtained from mesocotyl segments with different damage intensities caused by oxygen deficiency exposure. The cell wall fractions were analyzed by gel filtration and gas chromatography, and also by Infrared Spectrum with Fourrier Transformation (FTIR). The hypoxia period lasting three days or longer caused cell lysis and in advanced stages plant death. The gelic profile from pectic, hemicellulose 2M and 4M fractions from samples with translucid and constriction zone showed the appearance of low molecular weight compounds, similar to glucose. The main neutral sugars in pectic and hemicellulose fractions were arabinose, xilose and mannose. The FTIR spectrum showed a gradual decrease in pectic substances from mesocotyl with normal to translucid and constriction appearance respectively.

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Gonzales-Viera, Omar, Mark Anderson e Patricia Pesavanto. "Parvovirus enteritis in a raccoon (Procyon lotor)". Brazilian Journal of Veterinary Pathology 14, n. 2 (30 luglio 2021): 137–41. http://dx.doi.org/10.24070/bjvp.1983-0246.v14i2p137-141.

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Clinical History: Two raccoons died in a pre-release rehabilitation pen in an interval of 1.5 weeks after appearing healthy. The second raccoon, a juvenile female, was submitted for postmortem examination. Necropsy Findings: In the small intestine, the subserosa is markedly hyperemic/congested (Fig. 1) with abundant watery, semi-translucid content and large amounts of tan-white mucus. The intestinal wall is thickened, and the mucosa is smooth and overlaid by thick mucus (Fig. 2). The large intestine contains moderate amounts of tan-yellow, mucoid digesta. Mesenteric lymph nodes are enlarged, the parenchyma is red and mildly protrudes on cut section.

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Durrieu, Claude, Yannis Ferro, Mercedes Perullini, Antoine Gosset, Matías Jobbágy e Sara A. Bilmes. "Feasibility of using a translucid inorganic hydrogel to build a biosensor using immobilized algal cells". Environmental Science and Pollution Research 23, n. 1 (24 luglio 2015): 9–13. http://dx.doi.org/10.1007/s11356-015-5023-4.

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SALLES, F. F., e M. M. LIMA. "New species and new records of Miroculis Edmunds (Ephemeroptera: Leptophlebiidae) from Southeastern Brazil". Zootaxa 2740, n. 1 (14 gennaio 2011): 53. http://dx.doi.org/10.11646/zootaxa.2740.1.5.

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In the present work, based mainly on material from environmental protection areas in the State of Espírito Santo, we describe a new species of Miroculis (Miroculis). The male imago of M. (M.) caparaoensis, sp. nov. can be distinguished from other members of the subgenus by the following combination of characteristics: 1) dorsal portion of eyes on a short stalk, dorsal upper portion circular with 12–18 large-sized facets in longest row; 2) forewings with membrane translucid, longitudinal and crossveins brown; 3) abdominal color pattern; 4) posteromedian margin of styliger plate with small concavity; 5) penes length approximately 0.70 length of forceps segment 1. Miroculis (Ommaethus) mourei and M. (M.) fittkaui are reported for the first time from the region.

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BECK, JARRYD P., JOHN PLAICE e WILLIAM W. WADGE. "Multidimensional infinite data in the language Lucid". Mathematical Structures in Computer Science 25, n. 7 (10 novembre 2014): 1546–68. http://dx.doi.org/10.1017/s0960129513000388.

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Although the language Lucid was not originally intended to support computing with infinite data structures, the notion of (infinite) sequence quickly came to the fore, together with a demand-driven computation model in which demands are propagated for the values of particular values at particular index points. This naturally generalized to sequences of multiple dimensions so that a programmer could, for example, write a program that could be understood as a (nonterminating) loop in which one of the loop variables is an infinite vector.Programmers inevitably found use for more and more dimensions, which led to a problem which is fully solved for the first time in this paper. The problem is that the implementation's cache requires some estimate of the dimensions actually used to compute a value being fetched. This estimate can be difficult or (if dimensions are passed as parameters) impossible to obtain, and the demand-driven evaluation model for Lucid breaks down.We outline the evolution of Lucid which gave rise to this problem, and outline the solution, as used for the implementation of TransLucid, the latest descendant of Lucid.

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Mellado, Miguel, Laura Maricela Lara, Francisco Gerardo Veliz, María Ángeles de Santiago, Leonel Avendaño-Reyes, Cesar Meza-Herrera e José Eduardo Garcia. "Conception rate of artificially inseminated Holstein cows affected by cloudy vaginal mucus, under intense heat conditions". Pesquisa Agropecuária Brasileira 50, n. 6 (giugno 2015): 492–98. http://dx.doi.org/10.1590/s0100-204x2015000600008.

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The objective of this work was to obtain prevalence estimates of cloudy vaginal mucus in artificially inseminated Holstein cows raised under intense heat, in order to assess the effect of meteorological conditions on its occurrence during estrus and to determine its effect on conception rate. In a first study, an association was established between the occurrence of cloudy vaginal mucus during estrus and the conception rate of inseminated cows (18,620 services), raised under intense heat (mean annual temperature of 22°C), at highly technified farms, in the arid region of northern Mexico. In a second study, data from these large dairy operations were used to assess the effect of meteorological conditions throughout the year on the occurrence of cloudy vaginal mucus during artificial insemination (76,899 estruses). The overall rate of estruses with cloudy vaginal mucus was 21.4% (16,470/76,899; 95% confidence interval = 21.1-21.7%). The conception rate of cows with clean vaginal mucus was higher than that of cows with abnormal mucus (30.6 vs. 22%). Prevalence of estruses with cloudy vaginal mucus was strongly dependent on high ambient temperature and markedly higher in May and June. Acceptable conception rates in high milk-yielding Holstein cows can only be obtained with cows showing clear and translucid mucus at artificial insemination.

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Garcês, Andreia, Isabel Pires, Vanessa Soeiro, Sara Lóio, Anabela Pereira, Paula Rodrigues e Filipe Silva. "The First Report of an Ovarian Cyst in the Bosca’s Newt, Lissotriton boscai (Lataste, 1879)". Russian Journal of Herpetology 27, n. 1 (21 marzo 2020): 54–58. http://dx.doi.org/10.30906/1026-2296-2020-27-1-54-58.

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The Bosca’s newt (Lissotriton boscai) is a small species of newt from the family Salamandridae, endemic in the western part of the Iberian Peninsula. Reproductive disorders in amphibians are not common and are poorly described. The newt, an adult female, originated from the Espiríto Santo creek in Miramar (Vila Nova de Gaia, Portugal), was admitted to the Wildlife Rehabilitation Centre of the Biologic Park of Gaia in November 2017, with a dilatation on the left side, and difficulties in swimming and diving. Radiologic exam revealed an oval hypoechoic structure on the left side of the celomic cavity that compresses internal organs and causes spine deviation. In post mortem exam, the cranial portion of the left ovary presented an oval structure with 112 × 53 mm, of a translucid whitish-pink coloration containing a serous-like fluid. At histopathologic examination an ovarian luteinized cyst was diagnosed. It is the first time this type of lesion has been described in amphibians. In this animals, female’s reproductive problems are quite rare, with only a few cases reported, mostly in captivity animals. This report is important to improve the knowledge on reproductive pathology in amphibians, especially in the Bosca’s newt and evidence the importance of the post mortem exam in captive and wild amphibians.

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Più fonti

Tesi sul tema "TransLucid"

Franceschini, Marie Elisa. ""L'esthétique du translucide" chez José Sanchis Sinisterra". Toulouse 2, 2009. http://www.theses.fr/2009TOU20061.

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Pour son théâtre, José Sanchis Sinisterra revendique depuis le début des années 90 « l’esthétique du translucide », le translucide étant ce qui laisse passer la lumière sans laisser voir clairement les choses. Après une évocation des prémices du « translucide » dans le parcours du dramaturge, la thèse propose une définition des fondements théoriques de cette esthétique. Les nouvelles sciences du XXème siècle (quantique, chaos, systémique) ont, par leurs répercussions philosophiques, modifié les modes de représentation du réel et inspiré les artistes. Chez Sinisterra, l’influence se ressent au niveau thématique, métaphorique et esthétique. Les mécanismes qui rompent avec la transparence sont la fragmentation (discontinuité, incomplétude), et le flou qui brouille les limites, relativise les dichotomies, créant l’ambiguïté et la complexité. L’analyse montre comment ces mécanismes s’appliquent à la dramaturgie : fable, temps, espace, sons, personnages, langage. À côté des sources d’opacité, l’étude met en évidence la part doublement lumineuse du translucide. La première lumière, celle de l’auteur, est certes partielle, mais aussi multiple, scintillante et poétique. La deuxième, celle du récepteur, éclaire l’œuvre par un déchiffrage constant, et des interrogations perpétuelles. Le lecteur/spectateur devient ainsi co-créateur d’un sens multiple. Ce que suggère finalement cette esthétique, c’est la translucidité du rapport à soi, à l’autre et au monde postmoderne, mais aussi la translucidité du rapport à l’œuvre d’art. En pointant les sources d’opacité, ce théâtre met le récepteur au défi de conjuguer liberté et responsabilité pour que son trajet reste lumineux malgré le flou
Since the early 90s, José Sanchis Sinisterra has held his theory of “the aesthetic of the translucent” as the mainstay of his theatre. The translucent is what allows light to pass through but prevents perception of distinct images. After an introduction on the emergence of the “translucent” in the career of the playwright, this thesis will provide a definition of the theoretical principles of this aesthetic. The new sciences which emerged in the 20th century (quantum mechanics, chaos theory…) have changed the modes of representation of reality and become a source of inspiration for artists. In Sinisterra’s drama, this influence is at work thematically but also aesthetically. The mechanisms which break away from transparency are that of fragmentation and vagueness which blurs limits, questions dichotomies, thus breeding ambiguity and complexity. This study shows how these mechanisms can be applied to drama: fable, time, space, sound, characters, language. As a counterpoint to these sources of opacity, this work argues that the translucent sheds two types of lights. The first light generated by the author is incomplete but also protean, sparkling and poetical. The second cast by the receiver sheds light onto the work by constantly decoding it. Therefore, the receiver becomes the co-author of a variety of meanings. Eventually, what this aesthetic underpins is the translucent nature of the relationship with Oneself, with the Other and with the Postmodern world, but also with the work of art. By focusing on the sources of opacity, this type of theatre challenges the spectator to combine freedom and responsibility so that his vision remains clear in spite of the haziness

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Benmounah, Nadir. "Rendu temps-réel d'objets translucides". Limoges, 2009. https://aurore.unilim.fr/theses/nxfile/default/e76da47c-c965-4fbf-bdb6-7a2831e78925/blobholder:0/2009LIMO4031.pdf.

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La reproduction du réel dispose d'un intérêt croissant en synthèse d'images. La translucidité est un phénomène qui ajoute aux images reproduites, un réalisme certain. La simulation de l'absorption de la lumière par la matière a su profiter de l'abondance de la littérature scientifique, ainsi que des performances actuelles des cartes graphiques, afin de s'imposer comme une nouvelle branche de recherche en synthèse d'images. Dans cette thèse, nous décrivons deux méthodes de rendu temps-réel d'objets translucides. La première méthode autorise la déformation en temps-réel de ces objets, à l'aide d'atlas de textures flexibles. Dans la seconde, nous nous sommes intéressés à la porcelaine. Ce matériau doit sa notoriété à sa translucidité, et à sa blancheur. Le rendu de la porcelaine est effectué après une phase d'acquisition de ses propriétés optiques et l'introduction du modèle de Kubleka-Munk
The reproduction of nature in computer-added applications knows a significant revolution. Translucidity enhances the realism virtual images. Light absorption simulation has taken profits of the abundant scientific literature in physics and optics, and of the last advancements in graphics cards technologies, to establish itself as a new branch in image synthesis research. In the scope of this thesis, we describe two different methods in real-time rendering of translucent objects. The first method allows real-time deformation of these objects, by means of flexible texture atlases. In the second, we focused on porcelain. This material is famous for its translucidity and its whiteness. Porcelain rendering is achieved after the acquisition of its optical properties and the use of Kubelka-Munk model

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Sing, Alain Joseph F. "Contribution à l'étude d'émulsions translucides". Pau, 1997. http://www.theses.fr/1997PAUU3011.

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Dans les annees soixante, k. Shinoda fut le premier a explorer l'influence de la temperature sur l'emulsification. Il etablit qu'un melange eau/huile/tensioactif non ionique, qui donne une emulsion d'huile dans l'eau a temperature ambiante, s'inverse en une emulsion d'eau dans l'huile lorsque la temperature depasse une temperature seuil, appelee temperature d'inversion de phase. Il montra ensuite qu'une agitation moderee, pratiquee 2 a 4c au-dessous de cette temperature permet d'obtenir une emulsion d'huile dans l'eau composee de gouttelettes aussi petites que celles formees sous agitation violente a temperature ambiante, a condition toutefois que le retour a la temperature ambiante soit tres rapide pour limiter le grossissement des gouttelettes. Notre contribution est une amelioration raisonnee du travail de k. Shinoda. Dans un premier temps, grace a des mesures de conductivite electrique, nous avons etudie les structures que presentent successivement les melanges eau/huile/tensioactif non ionique en fonction de la temperature. Autour de la temperature d'inversion de phase, nous avons mis en evidence une plage de temperatures dans laquelle cette structure est bicontinue. Dans cette plage les tensions interfaciales sont suffisamment basses pour permettre la formation d'une aire interfaciale eau/huile consequente. Nous montrons qu'il est possible d'optimiser l'etendue de cette aire en ajustant la concentration du tensioactif et la duree de sejour du systeme a la temperature choisie. Nous verifions ensuite que le refroidissement du melange bicontinu, sous tres faible agitation pour cause d'homogeneisation, provoque la fragmentation de l'huile en de tres fines gouttelettes a la sortie de la zone bicontinue. A partir de mesures de diffusion quasi-elastique de la lumiere, nous trouvons que les gouttelettes formees ont des diametres compris entre 10 nm et 70 nm. Cette extreme petitesse est responsable de la translucidite des emulsions et de l'amelioration notable de leur stabilite par rapport aux emulsions de k. Shinoda. Cette amelioration permet un retour a vitesse moderee a la temperature ambiante sans nuire a la petitesse des gouttelettes. Les emulsions translucides sont facilement diluables dans des solutions aqueuses. Les mesures de diffusion quasi-elastique de la lumiere revelent que le potentiel d'interaction de leurs gouttelettes est un potentiel repulsif de type spheres dures. Nous trouvons par ailleurs que leur lente deterioration est amorcee par la coalescence dynamique des gouttelettes qui sont assez petites pour etre sensibles a l'agitation thermique. Les taux de coalescence, mesures a partir du suivi de l'augmentation de la taille des gouttelettes, sont d'autant plus petits que l'encombrement sterique des molecules tensioactives est grand. Les emulsions translucides se rangent dans la categorie des systemes que de plus en plus de specialistes appellent miniemulsions. Elles ont un bel avenir tant du point de vue pratique, par l'amelioration de leur stabilite par rapport a celle des emulsions ordinaires, que du point de vue fondamental, pour l'etude de la coalescence de petits objets sensibles a l'agitation thermique.

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KOPP, MATTHIEU. "Physico-chimie des nuages moleculaires translucides". Paris 11, 1996. http://www.theses.fr/1996PA112498.

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Ce travail s'inscrit dans le cadre de l'effort de comprehension des processus physico-chimiques gouvernant l'evolution des nuages interstellaires translucides et des regions dominees par les photons ultraviolets. L'objectif est double: presenter de nouvelles observations de telles regions, mais surtout fournir aux observateurs de nouveaux outils d'analyse de leurs donnees sous la forme d'un modele auto-coherent de nuage. Le modele developpe dans cette these apporte des ameliorations essentielles par rapport aux modeles de nuages interstellaires existants en traitant de maniere detaillee et en geometrie spherique, le transfert du rayonnement uv et son couplage avec la chimie du milieu. La diffusion du rayonnement par les grains est en particulier prise en compte de maniere coherente. Je presente des resultats montrant l'impact des ameliorations apportees par ce travail. Je montre notamment que la solution a l'equilibre stationnaire est tres sensible aux parametres geometriques, et donc a la structure tridimensionnelle des nuages impossible a apprehender par les seules observations. Je presente pour finir des observations millimetriques et sub-millimetriques de la nebuleuse b33 (tete de cheval) qui s'avere etre un laboratoire remarquable pour tester ces modeles

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Souza, Filho Agostinho Linhares. "Projeto de redes translucidas de longa distancia". [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258873.

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Orientador: Helio Waldman
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação
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Bouté, Gérard. "Transparent, translucide, opaque : place du regard dans l'ordre pictural société, imaginaire". Paris 8, 1994. http://www.theses.fr/1994PA080942.

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Quelle est la natrue du regard que posent sur le tableau le peintre et le spectateur? quelles sont les qualites propres a la peinture susceptibles d'en faire une oeuvre d'art? cet essai tente d'elaborer cette problematique et d'y repondre, en formulant l'hypothese qu'un desir inconscient, faconne par l'imaginaire social, determine le regard, conditionne la qualite de l'espace pictural et lui confere son pouvoir specifique. Dans une premiere partie, il s'agit de questionner la theorie lacanienne du regard, puis de conceptualiser trois instances : transparent, translucide, opaque comme ordonnatrices du champ pictural. Quels sont leurs roles? les categories du regard sont ensuite differenciees, analysees et les acteurs plastiques propres a l'oeuvre definis. Ces outils conceptuels sont mis a l'epreuve dans une seconde partie. Selon cette these, le translucide - "voile" ne a la renaissance - est l'une des instances qui symbolisent la loi dans l7espace pictural. Sans la reconnaissance de cette loi par l'artiste, sans le desir aussi de la subvertir, la peinture echappe a son pouvoir propre. Il semblerait que le translucide ait commence a disparaitre avec l'impressionnisme et qu'il ait completement cesse d'exister dans une partie de l'art contemporain. Quelles en sont les consequences? la peinture serait-elle conduite ainsi hors de l'art, non plus comme plus comme satisfaction substitutive d'un desir impossible a satisfaire dans la realite mais comme la satisfaction d'un besoin?
What nature of look do the artist and the beholder cast upon the picture? what are the qualities inherent in a painting that make a work of art? this essay attempts to analyse these questions and offer some answers based on the theory that an inconscious desire, shaped by social imaginary dimensions, predetermines the look, conditions the quality of the pictural environment and conveys its specific power. The first part of the essay questions lacan's theory of the look, then introduces three governing media - transparent, translucent, opaque - as controllers of the pictural framework. What roles do they play? the families of look are then differentiated and analysed, and the plastic ators specific to the work of art are defined. These conceptual tools are tested in the second part of the essay. According to this thesis, translucent - the "veil" created by the renaissance - is one of the governing media which symbolise the law within the pictural environment. If the artist does not recognise this law, if he doe not also try to subvert it, the painting will escape from his control. It would seem that the translucent starded to disappear with the immpressionist and that it has completely. Ceased to exist in a part of contemporary art

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Goveia, Jane Cleide. ""Estudo colorimétrico da translucidez de materiais restauradores odontológicos"". Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/23/23134/tde-06062005-163034/.

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Quando um dente anterior é restaurado toda uma técnica de proteção ao tecido remanescente e a recuperação funcional do elemento dental podem ser comprometidas se a escolha da cor do material restaurador empregado não for adequada. A familiaridade com as teorias da cor e da interação da luz com a matéria pode ajudar na tarefa de escolha da tonalidade do material restaurador. O desafio na busca de um material restaurador ideal na sua função estética sempre foi obter a translucidez própria do esmalte dental. Contudo, essa translucidez faz com que o material restaurador sofra influência da cor de fundo, que pode ser da cor do material de proteção, ou mais normalmente da cor da dentina. No que tange as atividades de restauração estética odontológico, através deste trabalho foi possível concluir que: 1) A colorimetria pode ser um importante meio na seleção e na comunicação de tonalidades de materiais restauradores; 2) Os resultados obtidos confirmam que a cor de fundo exerce grande influência sobre a cor do resultado final da restauração; e 3) Os guias de tonalidade devem ser reformulados de tal forma que levem em consideração a espessura do material restaurador e a cor de fundo.
When an anterior tooth is restorated, the whole remaining tissue protection technique and functional recuperation of the dental element can be compromised if the choice of the color of the restorative material is not adequate. The familiarity with the color and light interaction with matter theories may help with the task of choosing the restorative material shade. The challenge in searching for an ideal restorative material in its esthetic function was always obtaining the proper translucency of dental enamel. However, this translucency makes the restorative material suffer an influence of the background color, which can be the protection material color or, more commonly, the dentine color. Concerning the odontologic esthetic restorative activities, it was possible to conclude from this work that: 1) Colorimetry can be an important way for the selection and communication of the restorative material shades; 2) The results show that the background color has a large influence on the final color of the restoration; and 3) The shade guides must be reformulated so that it take into consideration the thickness of the restorative material and background color.

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Prado, Pedro Henrique Condé Oliveira. "Cinética de degradação de zircônias odontológicas com alta translucidez". Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/152667.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Com o avanço da ciência e processamento de materiais, a zircônia odontológica deixou de ser um material opaco para apresentar certa translucidez, possibilitando a confecção de peças ultrafinas. Sabe-se que a água em contato com a superfície das zircônias convencionais acarreta na transformação de fase T-M e subsequente decréscimo de resistência, mas esses efeitos nas zircônias translúcidas ainda não foram explorados. Para avaliar, mapear e caracterizar os efeitos da cinética de envelhecimento acelerado em zircônias de alta translucidez, foram cortados 39 blocos de Y-TZP (VITA YZ, VITA HT, InCoris TZI) para cada zircônia comercial, onde posteriormente foram sinterizados (1530 ºC, 2h) e atribuídos a 13 grupos com 3 amostras cada: Um controle e 12 envelhecidos hidrotermicamente a 134 ºC com pressão constante de 2 bars por 6, 10, 14, 18, 22, 26, 30, 40, 60, 80, 100 e 140 horas. A análise em DRX foi utilizada para quantificar a transformação de fase da zircônia (tetragonal-monoclínica) em diferentes profundidades do material ao se trocar o ânodo do tubo irradiador (Cr, Co e Cu). Uma curva cinética de envelhecimento foi feita para cada profundidade para as 3 zircônias comerciais. Para avaliar os efeitos do envelhecimento hidrotermal nas propriedades mecânicas, 270 discos de Y-TZP foram cortados, 90 para cada tipo, sinterizados e atribuídos a 3 grupos: C-Controle; E1- envelhecido até 26h e E2- envelhecido até 140 horas. Os discos foram testados em uma máquina de teste universal (EMIC). A microestrutura dos discos foi avaliada sob MEV. As curvas de cinética do envelhecimento funcionaram de forma semelhante para todas as zircônias utilizadas neste estudo, caracterizadas por uma rápida transformação de fase T-M em função do tempo e estabilização de um platô após uma média de 26 horas. As camadas superficiais apresentam concentrações mais elevadas de fase monoclínica à medida em que essa concentração diminuiu em camadas mais profundas. O envelhecimento hidrotermal através de 140h diminuiu a tenacidade da cerâmica VITA YZ em 17% (681,78 ± 121,18) quando comparado ao seu grupo controle (841,69 ± 56,01), enquanto que as zircônias de alta translucidez não mostraram diferenças estatísticas de resistência flexural após o envelhecimento. O envelhecimento hidrotermal induz a transformação da fase martensítica de fora para dentro do material e não afeta as propriedades mecânicas das cerâmicas VITA HT e INCORIS TZI, enquanto diminui a dureza do material da zircônia VITA YZ.
To evaluate, map and characterize the effects of the accelerated aging kinetics of high translucency zirconias, this study was split into 2 parts: One part evaluating the superficial changes after in vitro hydrothermal aging and the second part aiming the effects of this aging on the mechanical properties of those ceramics. 117 Y-TZP (VITA YZ, VITA HT, InCoris TZI) blocks were cut, 39 for each commercial zirconia, sintered (1530 ºC, 2h) and assigned to 13 groups with 3 samples each: One being a control, aging-free group, and 12 groups that were prematurely aged hydrothermally at 134 ºC and constant pressure of 2 bars through 6, 10, 14, 18, 22, 26, 30, 40, 60, 80, 100 and 140 hours. XRD was used to quantify the amount of zirconia phase transformation (tetragonalmonoclinic) on different depths of the material by swapping the anode tube (Cr, Co, and Cu). An aging kinetic curve was made for each depth for the 3 commercial zirconias. To evaluate the effects of the hydrothermal aging on the mechanical properties, Y-TZP blocks were rounded to a cilindrical shape. 270 discs were cut, 90 for each kind, sintered as mentioned above and assigned to 3 groups: C-Control; E1- Aged through 26h and E2- Aged through 140h. Disks were then tested in a universal testing machine (EMIC) under a load of 1000 kg till fracture of the specimen and the surface was evaluated under SEM. The aging kinetics curves work similarly for all the YTZP used in this study, characterized by phase transformation ascendant and plateau stabilization as far as the aging goes. Superficial layers present higher concentrations of monoclinic phase as it decreases in deeper layers. Hydrothermal aging through 140h decreased VITA YZ toughness by 17% (681,78 ± 121,18) when compared with its control group (841,69 ± 56,01), while high translucency zirconias didn't show any statistical differences after aging.Hydrothermal aging does induce martensitic phase transformation from the outside-to-inside the material and doesn't affect the mechanical properties of VITA HT and INCORIS TZI ceramics, while it decreased the material toughness of VITA YZ zirconia.
FAPESP: 16/03688-1

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Al, Zahr Sawsan. "Planification de réseaux WDM translucides avec qualité de transmission garantie". Phd thesis, Télécom ParisTech, 2007. http://pastel.archives-ouvertes.fr/pastel-00004014.

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De nombreuses études ont été réalisées autour du problème du routage et de l'affectation de longueur d'onde dans les réseaux WDM transparents. La majorité de ces études néglige les effets physiques liés à la transmission sur fibre. En effet, le signal optique subit le long de son trajet plusieurs dégradations, à savoir les effets linéaires et les effets non-linéaires. Dans les réseaux WDM opaques, la qualité du signal optique est considérée comme toujours satisfaisante car le signal est régénéré à chaque nœud du réseau. Cependant, cette faculté de régénération coûte très cher à l'opérateur et rigidifie totalement la capacité du réseau. Les réseaux WDM translucides présentent une nouvelle alternative. Ils offrent la possibilité de régénérer le signal à un nœud intermédiaire dès que la qualité de celui-ci devient inadmissible par rapport aux contraintes imposées par l'opérateur. Dans cette thèse, on s'intéresse au problème de la planification des réseaux WDM translucides de façon à garantir une certaine qualité de transmission. Nous proposons un nouvel outil de dimensionnement, LERP (Lightpath Establishment and Regenerator Placement), dont l'objectif est de fournir une solution permettant d'optimiser à la fois l'utilisation des ressources du réseau et la qualité de transmission sur l'ensemble de connexions établies. Le facteur Q permettant d'évaluer la qualité du signal est calculé au moyen d'un outil que nous avons également développé : BER-Predictor. Cet outil tient compte de quatre dégradations liées à la transmission sur fibre, à savoir la dispersion chromatique, la dispersion modale de polarisation, la phase non-linéaire et l'émission spontanée amplifiée.

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Almeida, Adriano Gondim. "Translucidez e luminosidade de compósitos para esmalte em diferentes espessuras". reponame:Repositório Institucional da UFSC, 2014. https://repositorio.ufsc.br/xmlui/handle/123456789/128628.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-graduação em Odontologia, Florianópolis, 2014
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O objetivo deste estudo foi avaliar in vitro a influência da espessura de resina composta para esmalte, baseadas ou não na escala vita clássica nos parâmetros de luminosidade e translucidez. Um dispositivo de resina epóxica foi criado e confeccionado pelo método de estereolitografia para possibilitar a confecção de espécimes de resina composta em forma de um incisivo central superior que apresentavam as camadas de esmalte palatal, dentina e variação de três espessuras de esmalte vestibular: 0,4mm; 0,8mm e 1,2mm. Os materiais testados foram os compósitos, Filtek Z350 XT(3M ESPE), Miris 2(Coltène) e Ena HRi (Micerium). Foram feitas três leituras de cor para cada espécime utilizando o espectrofotômetro Vita Easy Shade (Vita Zahnfabrik). Pela análise estatística foram calculadas as médias das leituras e os parâmetros de translucidez e luminosidade. Os resultados mostram diferenças significativas entre os compósitos e entre as espessuras, sendo os maiores valores de luminosidade e menores graus de translucidez para o compósito Ena HRi e maiores valores de translucidez para o compósito Miris 2. Pode se concluir que os parâmetros de cor dependem do compósito utilizado e ainda da espessura utilizada.

Abstract: The aim of this study was to evaluate in vitro the translucency parameter and lightness using enamel composite resin with different thicknesses, based or not on the Vita Classical shade guide. An epoxic resin device was developed and built by stereolithography process to enable the manufacture of specimens with the shape of an upper central incisor using composite resin. The specimens had layers of palatal enamel, dentin, and three diferente thicknesses of buccal enamel: 0.4mm, 0.8mm and 1.2mm. The composites tested were Filtek Supreme Ultra (3M ESPE), Miris 2 (Coltène) and Ena HRi (Micerium). The spectrophotometer Vita Easy Shade Vita Zahnfabrik) was used to perform three color measurements of each specimen. Measurement means were calculated and through statistical analysis translucency parameter and lightness were also calculated. The results showed significant differences between the composites used and their thicknesses. The values of lightness were higher for lightness and the translucency was higher for the composite Miris 2. It can be concluded that the color parameters evaluated depend on the composite used and their thickness.

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Più fonti

Libri sul tema "TransLucid"

Ruiz, Gloria. Translúcida de luna. [Spain]: Editorial Límite, 1992.

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Les matins translucides: Roman. Paris: Écriture, 2013.

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Sidur, I︠U︡lii︠a︡. Chelovek Prozrachnyĭ =: Homo Translucidus : [roman]. Moskva: Vremi︠a︡, 2006.

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David, Thesmar, a cura di. La société translucide: Pour en finir avec le mythe de l'état bienveillant. [Paris]: Fayard, 2010.

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Palermo, Charles. Ukimenezko zeharrargitasuna: Miró Leiris, Eistein = Translucidez táctil : Miró, Leiris, Einstein. Vitoria, Gasteiz: Artium, 2002.

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Sanchez, Claudio, e CHONDRA ECHERT. Translucid. BOOM! Studios, 2015.

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Heather Hutchinson: Translucid Passages. Nohra Haime Gallery, 1994.

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DiPietro, Zen. Translucid (Dragonfire Station Book 1). Parallel Worlds Press, 2016.

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Translucid sculpture at Washington Square: February 5-May 17, 1985. Washington, D.C. (1504 Que St., NW, Washington 20009): Distributed by the Public Art Trust, 1985.

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Girolamo, Paolo de, e Livia d'Angelo. Laboratory Fish in Biomedical Research: Biology, Husbandry and Research Applications for Zebrafish, Medaka, Killifish, Platyfish, Cavefish, Stickleback, Goldfish and Danionella Translucida. Elsevier Science & Technology Books, 2021.

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Capitoli di libri sul tema "TransLucid"

Carré, Anne-Laure. "Saint-Gobain et le "béton armé translucide", 1931-1937 : la mise au point de la trempe des pavés de verre". In Materials: Research, Development and Applications, 81–96. Turnhout: Brepols Publishers, 2002. http://dx.doi.org/10.1484/m.dda-eb.5.113418.

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Rajan, Gokul, Karine Duroure e Filippo Del Bene. "Danionella translucida, a tankful of new opportunities". In Laboratory Fish in Biomedical Research, 409–18. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-821099-4.00017-1.

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Atti di convegni sul tema "TransLucid"

Bagherzadeh, Mehdi, Hridesh Rajan, Gary T. Leavens e Sean Mooney. "Translucid contracts". In the tenth international conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1960275.1960293.

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Plaice, John, e Blanca Mancilla. "The practical uses of TransLucid". In the first international workshop. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1595768.1595774.

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Rahilly, Toby, e John Plaice. "A Multithreaded Implementation for TransLucid". In 2008 32nd Annual IEEE International Computer Software and Applications Conference. IEEE, 2008. http://dx.doi.org/10.1109/compsac.2008.192.

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Plaice, John, e Blanca Mancilla. "Cartesian Programming: The TransLucid Programming Language". In 2009 33rd Annual IEEE International Computer Software and Applications Conference. IEEE, 2009. http://dx.doi.org/10.1109/compsac.2009.139.

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Plaice, John, Blanca Mancilla, Gabriel Ditu e William W. Wadge. "Sequential Demand-Driven Evaluation of Eager TransLucid". In 2008 32nd Annual IEEE International Computer Software and Applications Conference. IEEE, 2008. http://dx.doi.org/10.1109/compsac.2008.191.

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Bagherzadeh, Mehdi. "Enabling expressive aspect oriented modular reasoning by translucid contracts". In the ACM international conference companion. New York, New York, USA: ACM Press, 2010. http://dx.doi.org/10.1145/1869542.1869586.

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Bagherzadeh, Mehdi, Hridesh Rajan, Gary T. Leavens e Sean Mooney. "Translucid contracts for modular reasoning about aspect-oriented programs". In the ACM international conference companion. New York, New York, USA: ACM Press, 2010. http://dx.doi.org/10.1145/1869542.1869596.

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Treviño, Marciano Vargas, Aarón Flores Gil, J. M. Rodríguez-Lelis, Antonio Hernández González, Dagoberto Vela Arvizo, Manuel May Alarcón, Arturo Abundez Pliego, Niklaus Ursus Wetter e Jaime Frejlich. "Spectroscopy Stress Evaluation of Translucid Polymers Using Laser Photoelasticity". In RIAO∕OPTILAS 2007: 6th Ibero-American Conference on Optics (RIAO); 9th Latin-American Meeting on Optics, Lasers and Applications (OPTILAS). AIP, 2008. http://dx.doi.org/10.1063/1.2926831.

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Bagherzadeh, Mehdi, Gary T. Leavens e Robert Dyer. "Applying translucid contracts for modular reasoning about aspect and object oriented events". In the 10th international workshop. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/1960510.1960517.

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Alves, Camila, Ana Correr, Lincoln Borges, Américo Correr e Lourenço Correr Sobrinho. "Influência da fonte de luz, espessura e translucidez da cerâmica na resistência de união e irradiância". In Congresso de Iniciação Científica UNICAMP. Universidade Estadual de Campinas, 2019. http://dx.doi.org/10.20396/revpibic2720192967.

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