JIS Z8733-1987 普通音响场所音响级别测定的工程方法和测量方法

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【英文标准名称】:Engineeringandsurveymethodsforthedeterminationofsoundpowerlevelingeneralsoundfields
【原文标准名称】:普通音响场所音响级别测定的工程方法和测量方法
【标准号】:JISZ8733-1987
【标准状态】:作废
【国别】:日本
【发布日期】:1987-02-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:BasicItems
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;音量;声强;音调;噪声(环境的);声源
【英文主题词】:acousticmeasurement;volume(sound);pitch(sound);soundintensity;soundsources;noise(environmental)
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:44P;A4
【正文语种】:日语


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【英文标准名称】:Aerospaceseries-AluminiumalloyAL-P7050-T76511-Extrudedbarandsection-aorD150mmwithperipheralcoarsegraincontrol;GermanandEnglishversionEN3344:2005
【原文标准名称】:航空航天系列.铝合金AL-P7050-T76511.挤压棒和型材.a或D【英文标准名称】:Processmanagementforavionics-Guidefordefiningandperforminghighlyacceleratedtestsinavionicsystems
【原文标准名称】:航空电子设备的过程管理.航空电子系统高速试验的规定和执行指南
【标准号】:IEC/PAS62500-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;老化试验;定义;电液的;机电装置;电子仪器;机械驱动装置;工艺管理;试验条件
【英文主题词】:Aerospacetransport;Ageingtests;Airtransport;Definition;Definitions;Electrohydraulic;Electromechanicaldevices;Electronicinstruments;Mechanically-operateddevices;Processmanagement;Testingconditions
【摘要】:Inanincreasinglyharsheconomiccontext(tighterperformancerequirements,shorterdevelopmentcycles,reducedcostofownership,etc.),itisessentialtoensureproductmaturityrapidlyand,inanycase,bythetimeofcommissioning.Itiswithaviewtoremedyingshortcomingsintraditionaldevelopmentmethodsthat"highlyaccelerated"testshavebeendeveloped.Themainunderlyingprinciplebehindthisnewtypeofteststrategyisasfollows:ratherthanreasoningintermsofconformitywithaspecificationandsimplyperformingconventionaltests,weonthecontraryattempttopushtheproducttoitslimitsbyapplyingenvironmentalstressesand/orstimulioflevelshigherthanthespecification.Theaimisthustotakefulladvantageofcurrenttechnologies,byeliminatingdefectswhichgeneratepotentialfailures,asofthefirstprototypes.Awell-conductedacceleratedtestprocessshould,inarelativelyshorttime,leadtoasignificantincreaseintherobustnessofaproduct,asearlyastheinitialprototypesstageatthebeginningofthedevelopmentphase,thusacceleratingearlymaturityofthisproduct.Furthermore,identificationofthemarginsavailableona"mature"producthelpsdesignandsizeitsfutureenvironmentalstressscreeningprofilemoreaccurately,byincreasingtheseverityoftheloadingsappliedtojustwhatisneeded,leadingtoaparticularlysignificantboostintheefficiencyofthisenvironmentalstressscreeningprocess.
【中国标准分类号】:V40
【国际标准分类号】:03_100_50;31_020;49_020
【页数】:35P.;A4
【正文语种】:英语