Số hiệu tiêu chuẩn
ISO 11821
Tên tiêu chuẩn
Acoustics - Measurement of the in situ sound attenuation of a removable screen
Ngày phát hành
1997-04-00
Tiêu chuẩn tương đương
DIN EN ISO 11821 (1997-08), IDT * BS EN ISO 11821 (1997-10-15), IDT * GB/T 19887 (2005), IDT * EN ISO 11821 (1997-04), IDT * NF S31-650 (1997-06-01), IDT * SN EN ISO 11821 (1997), IDT * OENORM EN ISO 11821 (1997-10-01), IDT * PN-EN ISO 11821 (2002-08-15), IDT * PN-EN ISO 11821 (2005-04-27), IDT * UNE-EN ISO 11821 (1998-03-11), IDT * STN EN ISO 11821 (1999-05-01), IDT * DS/EN ISO 11821 (1998-01-09), IDT * NEN-EN-ISO 11821:1997 en (1997-04-01), IDT
Tiêu chuẩn liên quan
IEC 60651 (1979) * IEC 60804 (1985) * IEC 60942 (1988) * ISO 1260 (1995)
Thay thế cho
ISO/FDIS 11821 (1996-12)
Từ khóa
Acoustic measurement * Acoustic screen * Acoustics * Definitions * Field testing * In situ * Measuring techniques * Mobile * Noise * Noise abatement * Noise control (acoustic) * Noise reduction * Relocatable partitions * Screens (partitions) * Sonic testing * Sound attenuation * Sound control means * Sound pressure level * Transportable structures
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