نتایج جستجو برای: noise criteria
تعداد نتایج: 449163 فیلتر نتایج به سال:
This research investigated differences in task performance and perception under six non-time-varying ventilation-type background noise spectra with differing tonality. The results were related to five indoor noise criteria systems: noise criteria, balanced noise criteria, room criteria, room criteria mark II, and the A-weighted equivalent sound pressure level (L(Aeq)). These criteria systems ar...
Background and aims: Noise pollution in bank, as environment for presentation of financial services, is very important from the viewpoint of comfort aspects. This study aims to assess noise pollution and its effects on subjective fatigue of staffs in the governmental banks. Methods: In this cross sectional study, noise equivalent levels were measured in 20 governmental banks located in Hamadan...
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