Noise pollution | PPT - SlideShare
2015年10月7日 · This document discusses noise pollution, defining it as unwanted or disruptive sound that negatively impacts human or animal life. It begins by defining key terms like noise, …
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Noise pollution occurs when unwanted or excessive sound disrupts normal human or animal activities. The main sources of noise pollution are trans…
Noise pollution presentation | PPT - SlideShare
2011年10月19日 · Noise pollution occurs when unwanted or excessive sound disrupts normal human or animal activities. The main sources of noise pollution are transportation systems, construction work, and industrial activity. …
Noise Pollution | PPT - SlideShare
2013年12月27日 · Noise is unwanted sound that disrupts normal activities and well-being. Common sources of noise pollution include transportation, industrial activities, construction sites, and household appliances. Noise pollution …
PPT – NOISE POLLUTION PowerPoint presentation
WHAT IS NOISE POLLUTION? Noise pollution or sound pollution refers to the presence of excessive and disturbing noise (from machines, transportation systems, aircrafts, trains, etc) in the environment that is very harmful to the …
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2012年10月4日 · • Noise pollution (or environmental noise) is displeasing human, animal or machine-created sound that disrupts the activity or balance of …
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Noise Pollution PowerPoint Presentation, free …
2020年1月2日 · When there is lot of noise in the environment, it is termed as noise pollution. • Sound becomes undesirable when it disturbs the normal activities such as working, sleeping, and during conversations.
PPT - Noise Pollution PowerPoint Presentation, free …
2014年7月3日 · Noise Pollution. Syllabus. Sources of Noise Pollution, Effects of noise pollution, Control of noise pollution. Important Questions. Define Sound Pressure Level (SPL). Define Noise Pollution. Describe ill effects of noise …
PPT - Noise Pollution PowerPoint Presentation, free download
2014年7月25日 · Noise pollution. What is noise pollution?. Noise pollution (or environmental noise ) is displeasing human, animal or machine-created sound that disrupts the activity or balance …
