EN 60318-5-2006 电声学.人头部和耳朵模拟器.第5部分:通过耳塞测量连接耳朵的助听器和耳机用2立方厘米耦合器

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【英文标准名称】:Electroacoustics-Simulatorsofhumanheadandear-Part5:2cmcouplerforthemeasurementofhearingaidsandearphonescoupledtotheearbymeansofearinserts(IEC60318-5:2006);GermanversionEN60318-5:2006
【原文标准名称】:电声学.人头部和耳朵模拟器.第5部分:通过耳塞测量连接耳朵的助听器和耳机用2立方厘米耦合器
【标准号】:EN60318-5-2006
【标准状态】:现行
【国别】:
【发布日期】:2007-04
【实施或试行日期】:2007-04-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声耦合器;声学;残疾人辅助器具;听力计;听力测定;校正;耦合器;定义;尺寸;耳机;电气工程;电声学;频率;助听器;失支听觉;测量;测量不确定度;听力缺失人;施压;纯音听度计;参考级;模拟器;声强;声级;声压级;振动工程
【英文主题词】:Acousticcouplers;Acoustics;Aidsforthedisabled;Audiometers;Audiometry;Calibration;Couplers;Definition;Definitions;Dimensions;Earphones;Electricalengineering;Electroacoustics;Frequencies;Headphones;Hearingaids;Lossofhearing;Measurement;Measuringincertainity;Personswithdefectivehearing;Pressureforce;Pure-toneaudiometers;Referencelevels;Simulators;Soundintensity;Soundlevels;Soundpressurelevel;Vibrationengineering
【摘要】:
【中国标准分类号】:L31
【国际标准分类号】:17_140_50
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Aerospaceseries-Groovedimensionsforaxialmountinginternaltyperetainingrings;GermanandEnglishversionEN3425:2006
【原文标准名称】:航空航天系列.轴安装内部固定环用槽尺寸
【标准号】:DINEN3425-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空工程;航空航天运输;航空运输;飞行器;飞行器部件;轴向;基本偏差;孔径;特性;元部件;组件;设计;尺寸;紧固件;工业;键槽;多语种的;公称尺寸;航天运输;规范;规范(验收);弹簧固定环;井
【英文主题词】:
【摘要】:Thedocumentdefinesthedimensionsofgroovesforaxialmounting,internaltype,retainingrings.
【中国标准分类号】:V20
【国际标准分类号】:49_030_50
【页数】:14P.;A4
【正文语种】:多种语言


Product Code:SAE J2487
Title:SAE No. 2 Friction Test Machine 3600 r/min Stepped Power Test
Issuing Committee:Automatic Transmission Friction Standards Committee
Scope:This SAE Recommended Practice is intended as the definition of a standard test, but may be subject to frequent change to keep pace with experience and technical advances. This should be kept in mind when considering its use.The SAE No. 2 Friction Test Machine is used to evaluate the friction characteristics of automatic transmission plate clutches with automotive transmission fluids. It can also be used to conduct durability tests on wet friction systems.The specific purpose of this document is to define a 3600 r/min Stepped Power Test for the evaluation of wet friction system performance variation as a function of power level. This procedure uses an initial engagement speed of 3600 r/min and is intended as a standard procedure for common use by both suppliers and end users.The only variables selected by the supplier or user of the friction system are:a. Friction Materialb. Fluidc. Reaction PlatesThese three variables must be clearly identified when reporting the results of using this test. If any of the test parameters or system hardware as described in this document are changed, other than the friction material, test fluid, or reaction plates, the data may not be reported as having been obtained using this document.This procedure is not intended to evaluate the initial coefficient or break-in characteristics. For this information, refer to SAE J2490 SAE No. 2 Friction Test Machine 碌PVT Test.