Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for reverberation test rooms— 70 стр.
Ventilation for buildings. Performance testing of components/products for residential ventilation. Fans used in residential ventilation systems— 18 стр.
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for reverberation test rooms— 70 стр.
BS EN 13141-7. Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 7. Performance testing of ducted mechanical supply and exhaust ventilation units (including heat recovery)— 48 стр.
Ventilation for buildings. Performance testing of components/products for residential ventilation. Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for a single room— 44 стр.
Ventilation for buildings. Performance testing of components/products for residential ventilation. Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings— 38 стр.
Sound power levels of noise sources, Precision methods for determination of sound power levels for discrete-frequency and narrow-band sources in reverberation rooms— 18 стр.
