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Results 1 - 10 from 114 for low frequency sound in 0.624 sec.
Menardi - Industry Experience [Foundry]
... solution is to mount a sonic horn in the hopper, and allow the horn's low frequency sound vibrations to fluidize the dust, and allow it to flow freely from the hopper discharge ...
www.menardifilters.com
OMI: Underwater Noise Pollution Fact Sheets
New (File is in PDF Format) (November 2004 -- Acoustic Ecology Institute) Low Frequency Sound Hurts Fish and Fisheries New (By Benjamin White, Jr. --located on The Animal Welfare ... Update (2004) New Effects of LFAS Intense Ocean Noise: Effects on Fish Marine Mammals and Low Frequency Active Sonar Fact Sheet Scientists’s Comments on 180 dB Safe Alternatives to Active ...
www.oceanmammalinst.org
OMI: Marine Mammals and Low Frequency Active Sonar (LFAS) Fact Sheet
Mammals and Low Frequency Active Sonar (LFAS) Fact Sheet Marine Mammals and Low Frequency Active Sonar (LFAS) Low Frequency Active Sonar (LFAS) is a military sonar technology designed to detect and track ... affect the marine mammal food chain including fish and zooplankton (Marine Mammals and Low Frequency Sound: Progress since 1994, National Academy Press). Very little is known about how loud ...
www.oceanmammalinst.org
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Ocean Alliance - EDUCATION - Whale Education Kit
Low frequency sound can travel for long distances, but only gives broader details. The distance traveled depends largely on the depth and temperature of the ocean the sound is sent ...
www.oceanalliance.org
Sebile Baits
As it subtly moves through the water its sound chamber emits a discrete chatter. Superior balance allows for excellent casting and a steady ... a visible bleeding effect. Movement of the twin-fluid inside the lure cavity produces ultra-low frequency sound waves that the senses of predator species can detect. The twin-fluid also improves casting ...
www.great-lakes.org
Environmental Fact Sheets, Treatment of air and gas : High-temperature dust collector (Clinox®) - Biothermica Technologies Inc., Enviro-Access
In addition, a horn which generates low-frequency sound waves may be used to clean the filter bags more effectively. Finally, an access door ...
enviroaccess.ca
Euroturtle
Beach characteristics used may include smell, low-frequency sound (possibly the noise of the surf), magnetic fields, the characteristics of seasonal offshore currents and ...
euroturtle.org
Euroturtle
Beach characteristics used may include smell, low-frequency sound (possibly the noise of the surf), magnetic fields, the characteristics of seasonal offshore currents and ...
euroturtle.org
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Science Explorer: CANdemonium--recycle cans to make BONKO music
Something that's vibrating more slowly-like the drumhead of a bass drum or the metal of a big bell-makes a low-pitched, low-frequency sound. When air inside a Bonko vibrates, it makes a sound that contains many different frequencies. This complex sound bounces around inside the metal tube. Sometimes vibrations of the same frequency ...
exploratorium.edu
Noise: Building Acoustics: Sound Insulation
The single figure rating is expressed as DnTw+Ctr. For impact sound ...
noisenet.org
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