نتایج جستجو برای: high frequency noise
تعداد نتایج: 2520513 فیلتر نتایج به سال:
Journal:
:Applied Physics Letters
2002
Journal:
:American Journal of Industrial Medicine
2008
Journal:
:The Journal of the Acoustical Society of America
1980
Journal:
:Physical Review A
2012
Journal:
:IEICE Electronics Express
2014
ژورنال:
سلامت کار ایران
2018
Abstract: Background and aims: Using water pump in residential buildings to provide the required water pressure is accompanied by noise pollution and the annoyance of residents. So, the purpose of this study is to reduce water pump noise pollution with designed acoustic curtains in a residential building of Qazvin city. Methods: The mean sound pressure level was measured before and ...
Journal:
:The Journal of the Acoustical Society of America
2014
Journal:
:TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES
2018
Journal:
:IOP Conference Series: Materials Science and Engineering
2021
Journal:
:International Journal of Electrical and Computer Engineering (IJECE)
2021
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