975 resultados para Gray and malleable cast irons


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E.1027, Maison en bord de mer is a small villa in Roquebrune Cap-Martin, built by architects Eileen Gray and Jean Badovici between 1926 and 1929. It was hailed as a landmark of modern architecture, and then forgotten. Over the years many transformations have been carried out, and these changes have altered the spatial qualities of the original project. Time and neglect have taken their toll, and until 2008 the villa was abandoned, a shadow of its former self. In order to state an appropriate restoration, a description of the house and its historic evolution has been made, comparing plans of its different transformations. After compiling the most common pathologies and restoration procedures in buildings of the Modern Movement in general, the particular pathologies of E.1027 are presented, concluding with a restoration proposal for E.1027 that considers aesthetical as well as technical aspects. This study involves an attempt to establish guidelines for the theoretical and technical aspects for restoration of architecture of the Modern Movement, using the Maison en bord de mer as an example.

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Here gray and white matter changes after four weeks of videogame practice were analyzed using optimized voxel-based morphometry (VBM), cortical surface and cortical thickness indices, and white matter integrity computed from several projection, commissural, and association tracts relevant to cognition. Beginning with a sample of one hundred young females, twenty right handed participants were recruited for the study and assigned to a practice or a control group carefully matched by their general cognitive ability scores. After the first scan, the practice group played ‘Professor Layton and The Pandora's Box’ 4 h per week during four weeks. A second scan was obtained at the end of practice and intelligence was measured again. Image analyses revealed gray and white matter changes in the practice group. Gray matter changes theoretically relevant for intelligence were observed for the practice group mainly in frontal clusters (Brodmann areas 9 and 10) and also in smaller parietal and temporal regions. White matter findings were focused in the hippocampal cingulum and the inferior longitudinal fasciculus. These gray and white matter changes presumably induced by practice did not interact with intelligence tests' scores.

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Este trabalho teve como objetivo principal avaliar as inclinações dentárias e o perfil facial de pacientes tratados ortodonticamente com braquete autoligado Damon 2, prescrição padrão. Para este estudo, foi selecionada uma amostra de 18 indivíduos, sendo 12 do sexo masculino e 6 do feminino, com idades que variaram de 12 a 20 anos (idade média de 15 anos) e que apresentavam discrepância de modelo negativa (de 4 mm a 15 mm). Como critério de inclusão, os pacientes deveriam apresentar dentição permanente completa até os segundos molares, má oclusão de Classe I de Angle, telerradiografias em norma lateral do início e final do tratamento ortodôntico e modelos de estudo em gesso dos arcos dentários superiores e inferiores do início e final do tratamento ortodôntico. As medições das inclinações ântero-posteriores dos incisivos centrais superiores e incisivos centrais inferiores e alterações do perfil facial foram realizadas por meio das telerradiografias em norma lateral. As distâncias transversais das regiões de cúspide e cervical inter-caninos, primeiros e segundos pré-molares e primeiros molares, foram obtidas medindo-se os modelos de gesso. Todas as mensurações foram realizadas nas telerradiografias e modelos de gesso obtidos antes do início do tratamento ortodôntico (T1) e no final do tratamento (T2). Após a coleta de todos os dados aplicou-se o teste t de Student para comparar as medidas dos dois tempos avaliados neste estudo. Verificou-se diferença estatisticamente significante (p<0,05) na inclinação dos incisivos centrais inferiores e nas dimensões transversais inter-cúspides e inter-cervicais dos primeiros e segundos pré-molares e primeiros molares na maxila. Na mandíbula todas as distâncias transversais (inter cúspides e cervicais) de caninos, primeiros e segundos pré-molares e primeiros molares apresentaram significância estatística (p<0,05), exceto a distância inter-cervical dos caninos inferiores. Concluímos que o tratamento ortodôntico sem extrações de pacientes com má oclusão de Classe I realizados com os braquetes Damon 2, prescrição padrão, não promoveu alteração na inclinação vestíbulo-lingual dos incisivos centrais superiores, aumentou a inclinação vestibular dos incisivos centrais inferiores, não alterou o perfil facial e aumentou de modo significativo a dimensão transversal da maxila e da mandíbula por meio de inclinação vestibular de coroa.(AU)

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Este trabalho teve como objetivo principal avaliar as inclinações dentárias e o perfil facial de pacientes tratados ortodonticamente com braquete autoligado Damon 2, prescrição padrão. Para este estudo, foi selecionada uma amostra de 18 indivíduos, sendo 12 do sexo masculino e 6 do feminino, com idades que variaram de 12 a 20 anos (idade média de 15 anos) e que apresentavam discrepância de modelo negativa (de 4 mm a 15 mm). Como critério de inclusão, os pacientes deveriam apresentar dentição permanente completa até os segundos molares, má oclusão de Classe I de Angle, telerradiografias em norma lateral do início e final do tratamento ortodôntico e modelos de estudo em gesso dos arcos dentários superiores e inferiores do início e final do tratamento ortodôntico. As medições das inclinações ântero-posteriores dos incisivos centrais superiores e incisivos centrais inferiores e alterações do perfil facial foram realizadas por meio das telerradiografias em norma lateral. As distâncias transversais das regiões de cúspide e cervical inter-caninos, primeiros e segundos pré-molares e primeiros molares, foram obtidas medindo-se os modelos de gesso. Todas as mensurações foram realizadas nas telerradiografias e modelos de gesso obtidos antes do início do tratamento ortodôntico (T1) e no final do tratamento (T2). Após a coleta de todos os dados aplicou-se o teste t de Student para comparar as medidas dos dois tempos avaliados neste estudo. Verificou-se diferença estatisticamente significante (p<0,05) na inclinação dos incisivos centrais inferiores e nas dimensões transversais inter-cúspides e inter-cervicais dos primeiros e segundos pré-molares e primeiros molares na maxila. Na mandíbula todas as distâncias transversais (inter cúspides e cervicais) de caninos, primeiros e segundos pré-molares e primeiros molares apresentaram significância estatística (p<0,05), exceto a distância inter-cervical dos caninos inferiores. Concluímos que o tratamento ortodôntico sem extrações de pacientes com má oclusão de Classe I realizados com os braquetes Damon 2, prescrição padrão, não promoveu alteração na inclinação vestíbulo-lingual dos incisivos centrais superiores, aumentou a inclinação vestibular dos incisivos centrais inferiores, não alterou o perfil facial e aumentou de modo significativo a dimensão transversal da maxila e da mandíbula por meio de inclinação vestibular de coroa.(AU)

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This folder contains a notebook that includes handwritten copies of Kirkland's letter of resignation addressed to the Corporation of Harvard University, March 28, 1828; an address of President Kirkland to the students, delivered in the College Chapel after morning prayers, April 1, 1828; a letter from Francis C. Gray accompanied by a vote of the Corporation, April 2, 1828; a letter from Mr. Gray and vote of the Corporation, April 4, 1828; President Kirkland's reply to Mr. Gray, April 5, 1828; the address of the senior class to the President, presented to him the morning after he took leave of the College, April 2, 1828; and an address of the immediate government to Kirkland, April 2, 1828.

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Interleaved second-edition copy of Robert Treat Paine's poem "The Invention of Letters" with handwritten excerpts of 18th century poetry copied by Charles Pinckney Sumner. The excerpts appear to be verses alluded to, or emulated, by Paine in the poem. For example, Paine's verse includes "Beneath the shade, which Freedom's oak displays" and Sumner on the opposite page quoted Alexander Pope's poetry, "Beneath the shade a spreading beech displays." The excerpts include poetry by Alexander Pope, James Thompson, Robert Dodsley, William Falconer, William Hayley, Samuel Rogers, Richard Brinsley Sheridan, Thomas Gray, and John Denham.

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Baltic sediments have been studied by Behrens, Munthe, Küppers, Spethmann, Apstein, Sjöstedt, Pratje and the writer. The following types of sediments have been observed: varved and non-varved late-glacial clays, gray and black, post-glacial muds, and sands. The organic content of late-glacial clays ordinarily is less than 1.3 per cent, and of post-glacial muds more than 3 per cent. Sediments containing intermediate quantities are scarce. This can be explained as a result of the changed balance between organic and inorganic sedimentation when the glacial period ended; the abundance of fresh detritus then suddenly ceased and inorganic sedimentation became very much slower than before; consequently, the relative amount of organic detritus increased. As most of the material was not subjected to biological analysis, it has not been possible to distinguish different ages among post-glacial sediments.

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Recent clays cover the East Atlantic continental slopes. They are gray and poor in sand off Portugal (Cape Sines), but reddish brown to reddish gray and richer in sand off Morocco (Cape Mazagan). The majority of the 19 sediment cores, which were taken mainly on two profiles (Fig. 3), can be correlated by means of planktonic foraminifera (Figs. 27, 28). The following parameters seem to be well suited for this purpose: qualitative and quantitative distribution of the planktonic foraminiferal species and faunas, coiling ratios of three Globorotalia-species: G. crassaformis, G. hirsuta and G. truncatulinoides. Sediments from about 2000 m water depth show highest sedimentation rates off Portugal (> 20 cm/1000 yrs.), but off Morocco the lowest sedimentation rates (about 3 cm/1000 yrs.). The sediments are dated with planktonic foraminifera and 31 radiocarbon analyses and the stratigraphic interpretation is supported by the lithostratigraphy. Holocene faunas are distinguished from the Pleistocene ones by differences in species composition, lower dominances and higher diversities. The Holocene sediments show smaller differences of the foraminiferal numbers than the Pleistocene ones. During Holocene and Pleistocene the temperatures of the surface water masses (indicated by the planktonic foraminiferal faunas) show similar values nearshore and offshore off Morocco. Likewise, there is no apparent temperature gradient in the Pleistocene off Portugal; whereas here values increase offshore during the Holocene. The proportion of species indicating warmer water masses is generally higher off Morocco. The plankton/benthos ratio increases with water depth and reaches maximum values already at about 1000 m. The production rate for planktonic foraminifera is higher in the continental slope regions than in the open ocean, but their shells show typical solution phenomena already in water depths of less than 1000 m. A higher solutional rate was found in sediments from the Tagus Abyssal Plain, while sediments from Horse Shoe and Seine Abyssal Plain seem to be better preserved. In the Tagus Abyssal Plain solution is less important during late Pleistocene than during Holocene.

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A facies-genetic and stratigraphic subdivision of the Quaternary sequence in the Shapkina River valley has been accomplished. The riverbank shows outcrops of three glacial complexes with different mineralogical-petrographic compositions and structural characteristics, which can be correlated and stratificated. Datings of intermoraine horizons (alluvial, marine, lacustrine, and lacustrine-boggy sediments) have been based on palynological and paleomicrotheriological data. The Middle Neopleistocene section can be divided into two till horizons corresponding to two autonomous glaciations (Pechora and Vychegda). They are separated by a member of subaqueous Rodionov sediments. The Pechora till formed in the course of glacier motions from the northeast. Glacial horizons are mainly composed of the Vychegda till transported from the Northwest terrigenous provenance. Lithology of the Upper Neopleistocene Polyarnyi till testifies to its formation in the upper course of the river from material transported from the Northeast terrigenous-mineralogical provenance in the upper course of the river and from the Fennoscandian glaciation center in the lower course of the river. The paper presents the first lithological investigation and substantiation of genesis of various facies of Neopleistocene intermoraine marine sediments (sediments of the beach and fore-beach zones and shallow-water shelf).

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v. 1. The Apology of Socrates, Crito, Phaedo, Gorgias, Protagoras, Phaedrus, Theaetetus, Euthyphron, and Lysis -- v. 2. The Republic, Timaeus, and Critias -- v. 3. Meno, Euthydemus, The sophist, The statesman, Cratylus, Parmenides, and the Banquet -- v. 4. Philebus, Charmides, Laches, Menexenus, Hippias major, Hippias minor, Ion, First Alcibiades, Second Alcibiades, Theages, The rivals, Hipparchus. Minos, Clitopho, The epistles -- v. 5. The laws -- v. 6. The doubtful works ... with lives by Plato by Diogenes Laertius, Hesychius, and Olympiodorus; introductions to his doctrines, by Alcinous and Albinus; the notes of Thomas Gray, and a general index.

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"January 1969."

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Vol. 5 edited by F. Billings and E.E. Irons.

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Mode of access: Internet.

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Mode of access: Internet.

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Mode of access: Internet.