Reverberation
Mostrando 1-12 de 37 artigos, teses e dissertações.
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1. Desempenho acústico de conjuntos de portas e paredes separadas pelo hall de entrada
Resumo O conjunto de paredes e portas separadas pela circulação de uso comum em edifícios residenciais passou a ter seu desempenho acústico avaliado, a partir da entrada em vigor da norma brasileira NBR 15575. Nesse contexto, este trabalho propõe determinar a influência das características dos elementos construtivos - portas e circulações entre unid
Ambient. constr.. Publicado em: 10/06/2019
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2. Intra-abdominal granulomas caused by Clostridium tertium in an American Fuzzy Lop rabbit
RESUMO: Um coelho de seis anos de idade da raça Fuzzy Lop foi encaminhado a um hospital veterinário devido a uma queixa de claudicação. Além de uma subluxação vertebral, duas estruturas radiopacas e bem delimitadas foram identificadas pela avaliação radiográfica. Em um exame ultrassonográfico, as massas foram caracterizadas como formações parenq
Cienc. Rural. Publicado em: 11/02/2019
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3. Acoustical and thermal performance of multilayer closing panels used in steel-structured buildings
Abstract This article provides an evaluation of the acoustical and thermal performance of some closing systems by referencing materials such as cement plates, plasterboard walls, precast concrete panels and expanded polystyrene. Reverberation time is calculated by applying an empirical formula, which uses temperature and relative air humidity values obtained
REM, Int. Eng. J.. Publicado em: 2017-06
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4. Sound localization and word discrimination in reverberant environment in children with developmental dyslexia
Objective Compare if localization of sounds and words discrimination in reverberant environment is different between children with dyslexia and controls. Method We studied 30 children with dyslexia and 30 controls. Sound and word localization and discrimination was studied in five angles from left to right auditory fields (-90o, -45o, 0o, +45o, +90o), under
Arq. Neuro-Psiquiatr.. Publicado em: 2015-04
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5. Childhood Hearing Health: Educating for Prevention of Hearing Loss
Introduction The presence of noise in our society has attracted the attention of health professionals, including speech-language pathologists, who have been charged along with educators with developing hearing conservation programs in schools. Objective To describe the results of three strategies for awareness and hearing preservation
Int. Arch. Otorhinolaryngol.. Publicado em: 2015-03
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6. Measurement with quasi-isotropic antenna of CEM coming from multisource in a reverberation chamber and in a car
The concern about the health risks that wireless technology can provide has grown globally thanks to the growing use of the devices by the population, by the finding that the public exposure to EMFs from the devices can be enhanced by the reflection of the microwave indoors. This paper will assess the distribution of electromagnetic field in a car, in order
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2013-12
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7. Análise da influência de parâmetros acústicos na inteligibilidade da fala: um estudo em salas de aula de escolas municipais de João Pessoa.
Researchs in the area of environmental comfort conducted in schools reported that, considering the thermophysical variables, the acoustic variable is more important than the other variables, especially in relation to thermal, luminous and indoor air quality variables, since this is the variable that is directly tied to speech intelligibility, with impacts on
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/08/2012
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8. Coeficiente de espalhamento sonoro de painéis perfurados / Scattering sound coefficient of perforated panels
Project studios, concert halls, theaters or places that require quality acoustics for musical activities, require studies on its volume, shape and composition of their surfaces, in order to achieve a place that fulfills its function acoustics. In cases where the volume and shape of these rooms are already defined, it is the acoustic designer to define materi
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/08/2011
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9. Reconstrução acústica das salas de cinema projetadas pelo arquiteto Rino Levi / Acoustic Reconstruction of the movie theatres designed by the architect Rino Levi
A historical virtual acoustical reconstruction was developed in five movie theaters designed by the architect Rino Levi from 1936 to 1941, in the cities of São Paulo and Recife, by means of computer simulations. Such approach was chosen because these movie theatres have been demised or are now used with different purposes. Rino Levi is recognized as one of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/04/2011
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10. Entre uma língua e outra, entre o materno e o estranho : lugar de interferência, historicidades, reverberações
A presente dissertação analisa a produção escrita de aprendizes de língua inglesa como língua estrangeira em fase inicial de aprendizagem com o objetivo de averiguar como se dá este fenômeno. Além disso, esta pesquisa analisa um processo pelo qual todo sujeito passa ao vivenciar uma língua outra: o processo de reconfiguração subjetiva. Para tanto
Publicado em: 2011
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11. Interdisciplinary educative practice: limits and possibilities in reverberation of a dream / Prática educativa interdisciplinar: limites e possibilidades na reverberação de um sonho
This study has as its main purpose to investigate the birth, the evolution and the first results of an interdisciplinary educative practice. Based in a referential of authors from Europe, such as Agazzi, Braido, Gauthier, Lenoir, Morin, Penati, Sersale e Pinau, and from Brazil, Freire, Japiassu and, mainly, Fazenda, it seeks initially a critical history over
Publicado em: 2009
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12. Avaliação de desempenho de câmaras excitadas via linha de transmissão aplicáveis à compatibilidade eletromagnética. / Transmission line excited chamber performance evaluation applied to electromanetic compatibility.
This Thesis presents the proposition of a Transmission Line Excited Chamber configuration. This configuration is considered to be a potential solution for the constraints of reverberation chambers of nowadays. Among this constraints, e.g. the ones related to chamber operation at some MHz, is a physical restriction to implement in tests environments. Moreover
Publicado em: 2009