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NOISE POLLUTION AND ITS EFFECT ON URBAN AREAS presentation


Posted by: seminar presentation
Created at: Saturday 01st of May 2010 09:11:28 AM
Last Edited Or Replied at :Saturday 01st of May 2010 09:11:28 AM
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ound Waves
Sound waves are caused due to variation in pressure above or below the static value of atmospheric pressure.

Frequency of sound

Frequency is the rapidity with which pressure variation occurs. It is measured in hertz. Audible frequency is a periodic vibration whose frequency is audible to average human.
Weighting networks
¢ The simplest method of measuring noise pollution is by ..................[:=> Show Contents <=:]



NOISE POLLUTION


Posted by: seminar class
Created at: Monday 28th of March 2011 01:24:12 AM
Last Edited Or Replied at :Wednesday 13th of February 2013 10:54:58 PM
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tension. More recent studies have suggested that noise levels of 50 dB(A) at night may also increase the risk of myocardial infarction by chronically elevating cortisol production
Possible Solutions
• Auditory personalized protection
• Absorbent m..................[:=> Show Contents <=:]



noise pollution and control in chemical industry


Posted by: srestha das
Created at: Friday 25th of February 2011 10:53:25 PM
Last Edited Or Replied at :Saturday 30th of April 2011 12:32:52 AM
noise pollution and control in chemical industry, noise , industry pollution, pollution management , pollution laws, pollution information , air and noise pollution, pollution control methods , sound pollution, forms of pollution , pollution water, control noise pollution , water pollution control, pollution , air pollution control, pollution control , control, chemical , industry, noise pollution and control in chemical industry , www infoaboutnoisepollution com, noise pollution , laws to control noise pollution seminar, noise pollution and law ,
This ..................[:=> Show Contents <=:]



NOISE POLLUTION AND CONTROL IN CHEMICAL INDUSTRY


Posted by: nishantjr
Created at: Wednesday 22nd of September 2010 06:37:35 AM
Last Edited Or Replied at :Thursday 30th of September 2010 10:09:06 AM
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I am a student studying chemical engineering in thrissur government engineering college, kerala. I was very interested in the topic ' NOISE POLLUT..................[:=> Show Contents <=:]



NOISE POLLUTION AND ITS EFFECT ON URBAN AREAS presentation


Posted by: seminar presentation
Created at: Saturday 01st of May 2010 09:11:28 AM
Last Edited Or Replied at :Saturday 01st of May 2010 09:11:28 AM
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03)
Environmental Pollution
Anmol Publication
B.D. Sharma ( 34,35,86-91)
Status of Noise in Industrial area, Bangalore
Paper Presented and published at 94th session of ISC
(Dr. B. Shanthaveerana Goud ,Dr. Jayamma, Dr.Nandini, Prof. Devraj)







THA..................[:=> Show Contents <=:]



noise barriers full report


Posted by: project report tiger
Created at: Monday 15th of February 2010 02:06:39 AM
Last Edited Or Replied at :Monday 15th of February 2010 02:06:39 AM
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hown in FIG: 6.1). It consisted of 12 panels, of which bottom 8 were of absorptive type and top 4 were of reflective. The absorptive panels had rectangular openings on front side to permit ingress of noise to the glass fiber inserts. The back plate of the noise barrier had trapezoidal ribs, by cold forming, capable of withstanding a wind load of 1500 N/m2. The panel front and back plates were made of galvanized sheets, which possess reasonably good atmospheric corrosion properties. The glass fiber mats were integrated and covered with roving to protect the atmospheric inserts. The core of the ..................[:=> Show Contents <=:]



NOISE POLLUTION AND CONTROL IN CHEMICAL INDUSTRY


Posted by: seminar projects crazy
Created at: Friday 30th of January 2009 01:00:49 PM
Last Edited Or Replied at :Friday 30th of January 2009 01:00:49 PM
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of the process stream, vibration etc. are the main causes of noise. The industrial noise caused health hazards to the people, together with environmental pollution. Thus, every industry should take so..................[:=> Show Contents <=:]



AUTOMOBILE POLLUTION


Posted by: seminar projects crazy
Created at: Friday 30th of January 2009 12:43:19 PM
Last Edited Or Replied at :Friday 30th of January 2009 12:43:19 PM
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hemical and that adversely affect our health. The recent developments in auto mobile technology reduce the pollutions into reasonable extent. In this report various types of emission control devices used in modern vehicles are described. The major causes of air pollution are automobile pollution. This badly affects the health of human beings. It has been linked to asthma, emphysema, cardio vascular diseases and lung cancer. It also has harmful effects on the environments. When men come to know about the harmful effects of air pollution he started thinking about air pollution control devices an..................[:=> Show Contents <=:]



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