Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 2: Introduction to the physics of low-noise design— 50 стр.
Acoustics. Determination of sound insulation performances of enclosures. Part 2. Measurements in situ (for acceptance and verification purposes)— 20 стр.
Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other positions from the sound power level— 11 стр.
Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level— 14 стр.
Acoustics. Noise emitted by machinery and equipment. Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions— 17 стр.
Acoustics. Noise emitted by machinery and equipment. Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions— 46 стр.
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering/survey methods for use in situ in a reverberant environment— 52 стр.
Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections— 50 стр.
Electrical apparatus for use in the presence of combustible dust - Part 10: Classification of areas where combustible dusts are or may be present— 53 стр.
Fixed firefighting systems. Components for gas extinguishing systems. Requirements and test methods for odorizing devices for CO$d2 low pressure systems— 12 стр.
