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Results 1 - 10 from 28 for decibel level in 0.282 sec.
OMI: Frequently Asked Questions About LFAS
Marine Mammal Conservation Division, Office of Protected Resources, National Marine Fisheries Service. What is the decibel level the Navy has asked permission to use in their LOA request to NMFS? The ... imagine 246 does not equal 203. Because the decibel scale is logarithmic, higher dB values reflect much higher sound pressure levels. Therefore, a decibel level of 246 represents 20,000 times more ...
www.oceanmammalinst.org
League for the Hard of Hearing > Education, Advocacy & Outreach
The lowest decibel level reached by all the grades was 62 dBs, which was done by the third grade, but the loudest decibel reached 115 dBs ... was over, I found the minimum and maximum sound levels from the decibel meter, which I set up in the beginning of the class. ... happened in the building, we used our sound meter to measure the decibel level. When we measured them, we kept our sound meter as close ...
lhh.org
League for the Hard of Hearing > Education, Advocacy & Outreach
Furthermore, children who ... decibel level, and in a later study Bronzaft (1981) found that children on both sides of the building were reading at the same level ... your business to bring about the willingness to lower the decibel level -- our children’s future is very much at stake! References Bronzaft, ...
lhh.org
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Noise Free America - Legal Agenda
The installation of electronic amplification equipment capable of generating noise beyond a specified decibel level within a motor vehicle shall be deemed a misdemeanor or better and subject the ... labels on products that are capable of causing hearing damage; (b) mandate a maximum decibel level for all electronically amplified products such as not to exceed "safe and reasonable" use; ...
noisefree.org
NPC Quietnet: CQS - Other California Cities
The sustained operation of leaf blowers at this decibel level is literally deafening to persons who reside and work within earshot of the many gardeners ...
nonoise.org
NPC Quiet Zone Newsletter Summer 2004
The decibel level is given as well as the number of 60 dBA ... , a stationary test with the discharge directed toward the sound level meter. The second and third 25 foot tests were walk ... in opposite directions, with the highest noise level of these three tests reported. Sound level meters meeting the American National Standards Institute ...
nonoise.org
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Noise Free America - Success Stories: Fighting a Manufacturing Facility
I asked a musician friend to test the decibel level for me--it far exceeded anything produced by any rock band. My outdoor lights are ...
noisefree.org
Project Wildlife: Spring 2000 Newsletter
It takes that hour to "ourselves" to quiet the decibel level so that we can hear each other, hear the doorbell, and hear the phone ring ...
projectwildlife.org
A Quick Expalantion of the term "decibel"
A Quick Expalantion of the term "decibel" What is a Decibel? We may all be familiar with the term decibel as it applies to sound level, but what does it really mean? And what does it have to do with EMFs? Decibel is ...
lessemf.com
Acoustics Monitoring Program
Decibel Scale Choose Topic 1: What is Sound? 2: The Decibel Scale 3: Phase 4: Sound velocity 5: Sound pressure 6: Sound intensity 7: Sound pressure/intensity level 8. Conversion of dB from air to water 9. Source, path receiver model 10. Signal to noise ratio 11. SOFAR channel 12. Frequently used units 2. The Decibel ... intensity is usually measured with the decibel scale in which the steps are ...
www.pmel.noaa.gov
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