搜索结果: 1-9 共查到“预防医学与卫生学 hearing”相关记录9条 . 查询时间(0.01 秒)
Age-related hearing loss, vitamin B-12, and folate in elderly women
hearing impairment presbycusis presbyacusis
2016/5/30
Hearing impairment is 1 of the 4 most prevalent
chronic conditions in the elderly. However, the biological basis
of age-related hearing loss is unknown.
Risk Factors for Sensorineural Hearing Loss Among High-Risk Infants in Golestan Province, Iran in 2010 - 2011
Infant Iran Newborn Sensorineural Hearing Loss
2015/12/29
Background: Hearing impairment, as one of the most common birth defects, is a hidden disability with negative impacts on speech and cognitive development.
The Impact of Different Permissible Exposure Limits on Hearing Threshold Levels Beyond 25 dBA
Effects 85 or 90 dBA Noise Noise-Induced Hearing Loss Threshold Shift
2015/10/15
Background: Development of noise-induced hearing loss is reliant on a few factors such as frequency, intensity, and duration of noise exposure. The occurrence of this occupational malady has doubled f...
Assessment of Hearing Loss by OAE in Asphyxiated Newborns
Hearing Loss Otoacoustic Emissions Spontaneous Asphyxia
2015/10/10
Background: Severe birth asphyxia (apgar < 7 at the 5th minute of birth) is recognized as a hearing loss risk factor by the joint committee on infant hearing (JCIH). About half of the newborns with he...
Assessment of Hearing Standard Threshold Shift based on Audiometric Findings in Steel Company Workers
Noise Hearing loss Standard threshold shift
2015/9/21
Background: Exposure of workers to excessive noise and its complications including hearing loss as one of the most important health problems in industries. Standard Threshold Shift (STS) is considered...
PARAMETERS AFFECTING NOISE INDUCED HEARING LOSS IN INDUSTRY
Noise intensity Industries noise
2010/1/5
The paper is based on a study conducted in three different industries on 84.4 on their employees to determine the effect of over all noise intensity, length of employment and rest periods among them. ...
EFFECTS OF HIGH-SPEED DRILL NOISE ON DENTISTS’ HEARING
EFFECTS HIGH-SPEED DRILL NOISE DENTISTS’ HEARING
2010/1/4
The study deals with noise problems associated with the use of air-turbine drills in dental practice. Noise level measurements were made on various types of dental handpieces, when operated free runni...
Hearing Impairment and Hypertension Associated with Long Term Occupational Exposure to Noise
Noise induced hearing loss Occupational exposure Hypertension
2015/9/18
Background: Noise induced hearing loss, a permanent bilateral hearing impairment due to long term exposure to high levels of noise, represents one of the most common occupational hazards. This histori...
Noise Induced Hearing Loss Among Cotton Textile and Carpet Mill Workers
Noise Induced Hearing Loss Textile Workers
2009/7/2
In industry increased mechanisation results in increased noise levels. Operation of textile machines carries a high risk of hearing loss. In this study the evaluation of textile worker's noise induced...