ANSI/NSF 14(i23)-2008 塑料管道系统部件和相关材料

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Product Code:SAE AS5960
Title:Hose Assembly, Polytetrafluoroethylene, Metallic Braid Reinforced, 5080 psi (35 000 KPa), 400 掳F (204 掳C), Aircraft Hydraulic Systems
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:This document defines the requirements for polytetrafluoroethylene (PTFE) lined, metallic braid reinforced, hose assembly suitable for use in 400 掳F (204 掳C), 5080 psi (35 000 kPa) aircraft hydraulic systems.【英文标准名称】:Acoustics-Referencezeroforthecalibrationofaudiometricequipment-Referencethresholdofhearingfortestsignalsofshortduration
【原文标准名称】:声学.测听设备校准用基准零点.短时持续试验信号用参考扩音阀
【标准号】:BSENISO389-6-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;空气管;听力计;听力测定;听觉阈;校正;定义;电气工程;参考级;短期测量;信号;模拟;声压级;试验信号;扩音值;变压器
【英文主题词】:Acoustics;Airtubes;Audiometers;Audiometry;Auditorythreshold;Calibration;Definitions;Electricalengineering;Referencelevels;Short-termmeasurement;Signals;Simulation;Soundpressurelevel;Testsignals;Thresholdvalue;Transformers
【摘要】:ThispartofISO389specifiesreferencehearingthresholdlevelsfortestssignalsofshortdurationapplicabletothecalibrationofaudiometricequipmentwheresuchsignalsareused.
【中国标准分类号】:L31
【国际标准分类号】:13_140
【页数】:18P.;A4
【正文语种】:英语