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Mostrando 1-12 de 248 artigos, teses e dissertações.
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1. Cone beam computed tomography with oral contrast for accurate diagnosis and surgical planning of pharyngeal leakage and fistula: a case series
Abstract Objective: Pharyngocutaneous fistula is one of the severe complications related to head and neck surgeries. Detecting the accurate three-dimensional location of both the fistula and leakage is essential for surgical treatment. Videofluoroscopy is usually used for locating these; however, its imaging is two-dimensional. We evaluated pharyngeal leaka
Brazilian Journal of Otorhinolaryngology. Publicado em: 2022
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2. Radiographic Measurement of Cochlear Duct Length in an Indian Cadaveric Population - Importance of Custom Fit Cochlear Implant Electrodes
Abstract Introduction Successful cochlear implantation requires an appropriate insertion depth of the electrode, which depends on cochlear duct length CDL). The CDL can vary due to ethnic factors. Objective The objective of the current study was to determine the CDL in an Indian adult cadaveric population. Methods The present was a cadaveric study using t
Int. Arch. Otorhinolaryngol.. Publicado em: 2020-12
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3. Nickel-Cerium Layered Double Hydroxide as Electrocatalyst for Glycerol Oxidation
A new nickel based layered double hydroxide nanomaterial, Ni0.8Ce0.2-LDH, constituted by about 3 nm large nanoparticles exhibiting enhanced electrocatalytic properties towards oxidation of glycerol in alkaline media, was prepared by incorporation of 20 wt.% of CeIII ions into α-nickel hydroxide. This can be oxidized to CeIV, as demonstrated by X-ray photoel
J. Braz. Chem. Soc.. Publicado em: 2020-11
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4. COVID-19 and stroke: a thromboembolic hypothesis
A new nickel based layered double hydroxide nanomaterial, Ni0.8Ce0.2-LDH, constituted by about 3 nm large nanoparticles exhibiting enhanced electrocatalytic properties towards oxidation of glycerol in alkaline media, was prepared by incorporation of 20 wt.% of CeIII ions into α-nickel hydroxide. This can be oxidized to CeIV, as demonstrated by X-ray photoel
Rev. Assoc. Med. Bras.. Publicado em: 2020-11
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5. Ciliary body malignant melanoma: A dilemma on staging
Resumo Melanomas coroidais são os tumores malignos intra-oculares primários mais comuns em adultos. Eles tendem a ser mais malignos; devido à sua localização ser escondida por detrás da íris eles não podem ser detectados até se tornarem maiores. A estratégia terapêutica está relacionada com tamanho, extensão, número e localização dos padrões
Rev. bras.oftalmol.. Publicado em: 02/12/2019
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6. Balanço de carbono em cidades da Amazônia: estudo de caso em Belém, Brasil
Resumo O município de Belém, no Pará, tem apresentado crescimento contínuo de sua área urbanizada e da frota de veículos nas últimas décadas. Essas mudanças estão também associadas a reduções na área de cobertura vegetal e ao aumento das emissões de CO2 locais. Há, portanto, a necessidade de se entender, de maneira integrada, a dinâmica das
urbe, Rev. Bras. Gest. Urbana. Publicado em: 25/11/2019
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7. Pre-eruptive intracoronal resorption on cone beam computed tomography: two case reports
RESUMO A reabsorção intra-coronária pré-eruptiva (RIP) é uma alteração rara que ocorre na coroa de dentes não erupcionados. O objetivo desse trabalho é documentar dois casos raros de RIP em caninos inclusos nas imagens de tomografia computadorizada de feixe cônico (TCFC). As imagens de TCFC de alta resolução (Prexion 3D) foram solicitadas cuja in
RGO, Rev. Gaúch. Odontol.. Publicado em: 28/10/2019
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8. Microstructure and Electrical Characterization of Thermoelectric Nanocrystalline Bi2 Te3 Synthesized by Mechanical Alloying
Nanocrystalline bismuth telluride, Bi2Te3 has been synthesized by mechanical alloying (MA) the powder mixture composed of Bi and Te in the inert gas atmosphere within a short duration of 15 min. Microstructure characterization of the prepared powder has been investigated adopting the Rietveld’s method using X-Ray diffraction (XRD) data and analyzing high-r
Mat. Res.. Publicado em: 28/10/2019
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9. Variations in Cochlear Size of Cochlear Implant Candidates
Abstract Introduction The cochlear anatomy varies in each individual, and that has an impact on decisions regarding the insertion of electrodes. The measurement of the cochlear size is the routine examination required to choose the proper cochlear implant (CI) electrodes. Objective To acquire normative data on the size of the cochlea (length, width, heig
Int. Arch. Otorhinolaryngol.. Publicado em: 18/07/2019
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10. DESHADOWING OF HIGH SPATIAL RESOLUTION IMAGERY APPLIED TO URBAN AREA DETECTION
Abstract Different built-up structures usually lead to large regions covered by shadows, causing partial or total loss of information present in urban environments. In order to mitigate the presence of shadows while improving the urban target discrimination in multispectral images, this paper proposes an automated methodology for both detection and recovery
Bol. Ciênc. Geod.. Publicado em: 10/07/2019
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11. MAPEAMENTO E ANÁLISE DE GEOCOBERTURAS NO CHAPADÃO DO DIAMANTE - MG - BRASIL
RESUMO O mapeamento e a compreensão das interações entre as geocoberturas do Chapadão do Diamante com os aspectos morfométricos e estruturais do relevo a partir da aplicação de rotinas de análise espacial e geoestatística são os principais objetivos desta pesquisa, realizada na porção extremo leste da Serra da Canastra (Minas Gerais, Brasil). O e
Mercator (Fortaleza). Publicado em: 01/07/2019
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12. Anomalous origin of coronary arteries with an interarterial course: pictorial essay
Resumo O trajeto interarterial das artérias coronárias com origem em seio contralateral/não coronariano é uma anomalia potencialmente fatal caracterizada pelo trajeto das coronárias entre a aorta ascendente e o tronco da artéria pulmonar. A angiotomografia auxilia no reconhecimento e planejamento terapêutico dessas alterações, em virtude da sua capa
Radiol Bras. Publicado em: 13/06/2019