Vannes de régulation des processus industriels - Partie 8 : considérations sur le bruit - Section 2 : mesure en laboratoire du bruit créé par un écoulement hydrodynamique dans une vanne de régulation
€95.67
Ultrasonics - Fields - Guidance for the measurement and characterization of ultrasonic fields generated by medical ultrasonic equipment using hydrophones in the frequency range 0,5 to 15 MHz
€231.00
ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES. PRECISION METHODS FOR BROAD-BAND SOURCES IN REVERBERATION ROOMS. (ISO 3741:1988).
€77.00
ACOUSTICS. REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE. (ISO 8798:1987).
€54.00
Acoustics. Materials for acoustical applications. Determination of airflow resistance
€193.00
Acoustics; measurement of insertion loss of ducted silencers without flow; laboratory survey method; German version prEN 31691:1993
€48.79
Acoustics; noise emitted by machinery and equipment; rules for the drafting and presentation of a noise test code; identical with ISO/DIS 12001:1993
€63.27
Computation and measurement of sound propagation in workrooms
€121.50
Acoustics; materials for acoustical applications; determination of airflow resistance (ISO 9053:1991); German version EN 29053:1993
€56.17
Détermination des niveaux de bruit des transformateurs et des bobines d'inductance
€101.00
Impédancemètres ou admittancemètres utilisés en audiologie
€86.50
Acoustics. Audiometric test methods Sound field audiometry with pure tone and narrow-band signals
Hearing aids; plugs; dimensions; identical with IEC 60090:1973 (status as of 1991)
€41.78
Specification for quantities, units and symbols Acoustics
Acoustics; determination of sound insulation performance of enclosures; part 1: determination of sound insulation performance of small enclosures under laboratory conditions; german version prEN 31546-1:1992
€69.91
