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DS/EN ISO 2151 - ACOUSTICS - NOISE TEST CODE FOR COMPRESSORS AND VACUUM PUMPS - ENGINEERING METHOD (GRADE 2) Organization: DS
Date: 2008-08-22
Description: This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary compressors and vacuum pumps. It prescribes the mounting, loading and working conditions under which measurements are to be made, and includes measurement or determination of the noise emission expressed as . the sound power level under specified load conditions, . the emission sound pressure level at the work station under specified load conditions.
NBN - EN ISO 2151 - ACOUSTICS - NOISE TEST CODE FOR COMPRESSORS AND VACUUM PUMPS - ENGINEERING METHOD (GRADE 2) (ISO 2151:2004) Organization: NBN
Date: 2008-11-26
Description: ISO 2151:2004 specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary compressors and vacuum pumps. It prescribes the mounting, loading and working conditions under which measurements are to be made, and includes measurement or determination of the noise emission expressed as the sound power level under specified load conditions and the emission sound pressure level at the work station under specified load conditions.
NBN - EN ISO 2151 - ACOUSTICS - NOISE TEST CODE FOR COMPRESSORS AND VACUUM PUMPS - ENGINEERING METHOD (GRADE 2) (ISO 2151:2004) Organization: NBN
Date: 2008-11-26
Description: ISO 2151:2004 specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary compressors and vacuum pumps. It prescribes the mounting, loading and working conditions under which measurements are to be made, and includes measurement or determination of the noise emission expressed as the sound power level under specified load conditions and the emission sound pressure level at the work station under specified load conditions.
DS/EN ISO 2151 - ACOUSTICS - NOISE TEST CODE FOR COMPRESSORS AND VACUUM PUMPS - ENGINEERING METHOD (GRADE 2) (ISO 2151:2004) Organization: DS
Description: This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary compressors and vacuum pumps. It prescribes the mounting, loading and working conditions under which measurements are to be made, and includes measurement or determination of the noise emission expressed as. the sound power level under specified load conditions,. the emission sound pressure level at the work station under specified load conditions.
ASHRAE - REFRIGERATION IP CH 47 - CRYOGENICS Organization: ASHRAE
Date: 2010-01-01
Description: This concept has also been used in commercial high-vacuum pumps. The food industry uses large amounts of liquid nitrogen to freeze expensive foods such as shrimp and to maintain frozen food during transport.
ASHRAE - REFRIGERATION SI CH 47 - CRYOGENICS Organization: ASHRAE
Date: 2010-01-01
Description: This concept has also been used in commercial high-vacuum pumps. The food industry uses large amounts of liquid nitrogen to freeze expensive foods such as shrimp and to maintain frozen food during transport.
NBN - EN ISO 2151 - ACOUSTIQUE - CODE D'ESSAI ACOUSTIQUE POUR LES COMPRESSEURS ET LES POMPES À VIDE - MÉTHODE D'EXPERTISE (CLASSE DE PRÉCISION 2) (ISO 2151:2004) Organization: NBN
Date: 2008-11-26
Description: ISO 2151:2004 specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary compressors and vacuum pumps. It prescribes the mounting, loading and working conditions under which measurements are to be made, and includes measurement or determination of the noise emission expressed as the sound power level under specified load conditions and the emission sound pressure level at the work station under specified load conditions.
ASHRAE - OR-10-043 - FOR DESIGNING A COMPACT ABSORBER WITH MEMBRANE CONTACTOR AT LIQUID-VAPOR INTERFACE—INFLUENCE OF MEMBRANE PROPERTIES ON WATER VAPOR TRANSFER Organization: ASHRAE
Date: 2010-01-01
Description: Drost et al. (2005) cited that the development of compact absorbers enables the deployment of small heat-actuated absorption heat pumps for distributed space heating and cooling applications, heat-actuated automotive air conditioning, and man-portable cooling devices.
VA 23 07 11 - HVAC AND BOILER PLANT INSULATION Organization: VA
Date: 2011-05-01
Description: CTPD: Condensate transfer pump discharge. 27. CTPS: Condensate transfer pump suction. 28. VR: Vacuum condensate return.

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