25 resultados para noise exposure level
em School of Medicine, Washington University, United States
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This paper discusses a study to determine the average level of noise exposure for school children on a typical school day.
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A study of strial capillary permeability using fluorescent microspheres and immunohistochemistry in mice that do or do not exhibit a reduction in endocochlear potential following a single, intense noise exposure.
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This paper discusses a study done to determine noise levels in operating rooms
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This paper discusses noise exposure to firefighters on the job and whether this contributes to noise induced hearing loss.
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This paper examines a study conducted to evaluate the impact of occupational noise exposure and the role of a hearing conservation program in the occupational setting.
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The focus of this study was to measure the noise exposure that high school basketball referees experience during games.
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This paper examines the effects of noise on high school music teachers.
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This paper discusses the effect of noise exposure on high school aged boys' hearing levels and how to measure the effects.
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This paper examines the noise levels of movies and whether or not movie theater sound levels may be hazardous to audience members.
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This paper describes a study undertaken to study noise levels of rock music.
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This paper discusses the distortion-product otoacoustic emissions (DPOAE) of chinchillas when exposed to noise.
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This paper studies the role of nitric oxide (NOS 1, NOS 2, and NOS 3 genes) in the mouse cochlea and in noise-induced hearing loss (NIHL). Mice genetically deficient of the NOS 2 and NOS 3 genes were protected from NIHL, indicating that one or both of these genes may be responsible for producing nitric oxide that damages the inner ear when exposed to harmful levels of noise.
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This paper describes a study assessing the sound levels and noise exposures of a municipal water treatment plant to determine the level of employee noise exposure dosages and to make any necessary recommendations regarding reducing the risk of noise induced hearing loss in employees.
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The purpose of this project was to evaluate student musicians’ perception of loudness and see how it relates to the measured sound level when playing an instrument alone and when playing in an orchestra. Perhaps by examining this relationship, strategies can be developed to educate musicians on the risk of excessive noise exposure and hearing protection options.
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There was a concern medically fragile infants may be exposed to high noise levels during emergency helicopter transport. This study had been initiated in 2007. Data was collected using a Larson Davis noise dosimeter. The purpose of this study was to collect additional data to evaluate the noise exposure experienced by medically fragile neonates during emergency transport via helicopter inbound/outbound of St. Louis Children’s Hospital, St. Louis, MO. The results suggested neonates may be exposed to noise levels ranging 85 to 95 dBA during transport. These high noise exposures may pose a risk to hearing.