BS EN ISO 389-5-2001 声学.听力测定设备校准的标准参考零点.频率范围为8kHz至16kHz之间的纯音用参考等效阈声压级

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【英文标准名称】:Acoustics-Referencezeroforthecalibrationofaudiometricequipment-Referenceequivalentthresholdsoundpressurelevelsforpuretonesinthefrequencyrange8kHzto16kHz
【原文标准名称】:声学.听力测定设备校准的标准参考零点.频率范围为8kHz至16kHz之间的纯音用参考等效阈声压级
【标准号】:BSENISO389-5-2001
【标准状态】:作废
【国别】:英国
【发布日期】:1998-09-15
【实施或试行日期】:1998-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;耳机;听力计;声学设备;校正;频率;听力测定;听觉;听觉阈;声强
【英文主题词】:
【摘要】:ThispartofISO389specifiesreferenceequivalentthresholdsoundpressurelevels(RETSPLs)ofpuretonesinthefrequencyrangefrom8kHzto16kHz,applicabletothecalibrationofairconductionaudiometersforspecificearphones.giveninAnnexAandtheBibliography.
【中国标准分类号】:N65
【国际标准分类号】:13_140
【页数】:14P;A4
【正文语种】:英语


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MIL-C-9897C (AMENDMENT 1), MILITARY SPECIFICATION: CRATES, SLOTTED ANGLE, STEEL OR ALUMINUM, FOR LIGHTWEIGHT AIRFRAME COMPONENTS AND BULKY ITEMS (FOR MAXIMUM LOADS OF 1363 KGS (3000 POUNDS) (30 OCT 1993) [S/S BY ASTM-D6255/D6255M].Product Code:SAE AMS7284/2
Title:Rings, Sealing, Phosphonitrilic Fluoroelastomer (Fz) Aviation Fuel-Resistant 75-85 Shore A
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers phosphonitrilic fluoroelastomer (FZ) in the form of molded rings. Primarily for use in aircraft fuel systems operating from -55 to +150 degrees C (-67 to +302 degrees F).