ambient noise monitoring Articles

  • General Environmental Guidelines Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...

    By The World Bank

  • Torsional Motion Monitoring System for Small-Strain (10−5 to 10−3%) Soil Testing

    For accurate measurements of stress-strain hysteresis loops at strains below 10-3%, a torsional motion monitoring system was modified to incorporate micro-proximitors. A micro-proximitor system with enlarged target arms resulted in about 50 times higher resolution in motion monitoring than previously possible. The four proximitor signals (instead of two) were measured, compared, and averaged to ...

    By ASTM International

  • That air conditioner noise is annoying!

    The sound of the HVAC System in your office or factory may be annoying depending on who you ask; the person who has to live with it, or the person who has to pay for it. To measure background noise levels objectively, we use Noise Curves. International standards organizations (ISO, ANSI and ASA) recognize the need to objectify judgements on the amount of ambient noise in enclosed ...

    By NTi Audio AG

  • Case-Study: Varanasi Smart City Monitoring

    Varanasi Municipal Corporation had to monitor the increasing pollution in the city, mainly due to increased tourism and infrastructure developments. Oizom along with Efkon India Pvt Ltd. deployed Polludrone in the city to analyze the pollution and meteorological parameters. 50 Polludrone across the city to gather and monitor ambient data. The data collected is continuously sent to our Terminal, ...

    By Oizom Instruments Pvt. Ltd.

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