نتایج جستجو برای: physiological noise

تعداد نتایج: 450799  

Journal: :The Journal of the Acoustical Society of America 2017

Journal: :Brazilian Journal of Otorhinolaryngology 2015

Journal: :Somnologie - Schlafforschung und Schlafmedizin 2009

Journal: :iranian journal of neonatology 0
mahdi jahangir blourchian research center of health, school of health, guilan university of medical sciences, rasht, iran reza sharafi pediatrics growth disorders research center, 17 shahrivar hospital, school of medicine, guilan university of medical sciences, rasht, iran

background: in neonatal intensive care units (nicu) different sound intensities and frequencies are produced from different sources, which may exert undesirable physiological effects on the infants. the aim of this study was to determine the noise level and its sources in the nicu and neonatal ward of al-zahra hospital of rasht, iran. methods: in this descriptive cross-sectional study, the inte...

It is accepted that noise pollution has a major impact on health, such as physical, physiological, psychological and performance related effects, all over the world. This study aims to evaluate noise pollution in four urban parks located in Sanandaj City, Iran and to zone it in GIS environment. Sound pressure level (SPL) and maximum sound level (Lmax) were measured at 45 points (each point was ...

برزگر, مرضیه, سلامی, محمود, طلائی زواره, سید‌علیرضا,

Background: Numerous evidences indicate that various environmental stresses during pregnancy affect physiological behavior of the offspring. This experimental study was designed to investigate the effect of noise stress during prenatal period of rats on spatial learning and memory and plasma corticostrone level in postnatal life.Methods: Three groups of pregnant rats were given daily noise ...

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