Airborne Sound Insulation
Airborne sound insulation in terms of a loudness model
... the sound pressure level with an A-weighting is shown and compared to specific loudness and loudness levels, ...describe airborne sound insulation in terms of a sensation level related to a ...
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Advancements in Sound Reflection and Airborne Sound Insulation Measurement on Noise Barriers
... of sound reflection and airborne sound insulation characteristics of a noise barrier in Europe are currently performed following the CEN/TS 1793-5 European standard guidelines (last revision ...
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Uncertainty associated with the measurement of airborne sound insulation in the field
... in sound pressure levels in rooms especially at low frequency due to room dimensions identified by Maluski et al [115, ...with sound pressure level measurement in a non-diffuse field offers an opportunity ...
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Optimum insulation thickness for the sandwich structure livestock buildings external envelopes in different climate regions of China
... optimum insulation thickness in buildings can significantly decrease the long-term energy use and costs [13] ...optimum insulation thicknesses for civil buildings cannot be directly used in livestock ...
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Study of Recent Technologies in computer Network
... Unshielded twisted pair: In this no insulation is provided, hence they are susceptible to interference. Shielded twisted pair: In this a protective thick insulation is [r] ...
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Insulation Foam Synthesis: An alternative to Traditional Roof Casting Insulation
... second charge respectively. Later, an FTIR image confirmed the production of UF-resin when compared with the literature. This resin had been further made to react with Sodium Dodecyl Benzene Sulphonate (Foaming agent) ...
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Article Title:THE FLOATING HOUSE, SKINS & SPACES DUBAI (UNITED ARAB EMIRATES) - PALM JUMEIRAH
... The concept of building floating houses on coastal areas has been expanding widely, especially with the large urban growth, and the lack of properties to cover the increased market demands. However, the aspiration of ...
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A non-invasive acoustical method to measure the mean roughness height of the free surface of a turbulent shallow water flow
... mean sound pressure in the scat- tered field through the modified expression for the contribu- tion from one specular reflection point taken on the equivalent smooth surface with which the rough surface can be ...
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DETECTION OF AIRBORNE SOUND BY A COCKROACH 'VIBRATION DETECTOR': A POSSIBLE MISSING LINK IN INSECT AUDITORY EVOLUTION
... adjusting sound intensity to give a criterion- averaged response at each chosen ...frequency. Sound pressure levels (SPL, in dB relative to 20 m Pa) were measured at each frequency with a Brüel and Kjaer ...
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The Impact of Acoustics and Energy Efficiency Protocols on Comfort in the Building Industry
... Comfort in buildings is one of the most requested value to reach. Today, designers have to deal with so many technical features including outer appearance, air-conditioning, structural layouts, acoustic insulation ...
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An extended transfer matrix model for the sound insulation of dual leaf structures with corrugated panels and structural connections
... In sound insulation modelling, corrugated plates are generally handled using equivalent orthotropic plates, by having an orientation dependent bending ...that sound transmission behaviour of profiled ...
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Evaluation of the microbial parameters and hygiene status of dairy establishments in Tirana region
... hands. Airborne microorganisms from food handlers and in food products and raw materials (as part of bioaerosols) have in the past been implicated as having a potential to cause adverse health effects (especially ...
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Radioactive Anomalies in 1:50000 Dehbakri Sheet, South of Kerman Province, Iran
... Uranium. Airborne gamma-ray spectrometry has been used for many years in direct prospecting for radioactive minerals and also as a tool in the delineation of lithological units, and its environmental uses have ...
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Revealing important nocturnal and day-to-day variations in fire smoke emissions through a multiplatform inversion
... couple airborne, ground-based, and satellite observations; conduct regional simulations; and develop and apply an inversion technique to constrain hourly smoke emissions from the Rim Fire, the third largest ...
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Critical Radius of Insulation
... of Insulation senior ...right insulation material and dimensions, adding insulation to a cylinder can actually increase its heat loss making it colder than it would be without ...
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Airborne Listeria spp in the red meat processing industry
... of airborne Listeria, the lowest moisture (RH = 66%), highest air temperature (T = 21,6°C), and strong- est airflow (mean = ...the airborne routes, since there was a low possibility for their contact with ...
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Analysis of partial discharge features as prognostic indicators of electrical treeing
... of insulation life ...polymeric insulation in the last two decades has been focused on accelerated life tests including thermal, electrical, and thermo-electrical endurance which often fit either the ...
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Insulation Monitoring Device
... A much debated question is whether the insulation-monitoring device able to detect leakage of current in the medical environment in term of accuracy and sensitivity. Others researcher trying to get the value of ...
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Doppler spectra of airborne sound backscattered by the free surface of a shallow turbulent water flow
... The results presented in this study have important con- sequences for the ability to measure the mean surface veloc- ity of turbulent flows remotely, based on the measurements of the Doppler spectra of airborne ...
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The air war in the Gulf
... 1:1 ACRONYMS AAA anti-aircraft artillery ABCCC Airborne Command and Control Center AEW Airborne Early Warning ALCM air-launched cruise missile II ATO Air Tasking Order II AWACS Airborne [r] ...
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