SAE AMS3238 Butyl (IIR) Rubber, Phosphate Ester Resistant, 65 - 75

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Product Code:SAE AMS3238
Title:Butyl (IIR) Rubber, Phosphate Ester Resistant, 65 - 75
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a butyl (IIR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes.
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【英文标准名称】:Audioandaudiovisualequipment-Digitalaudioparts-Basicmeasurementmethodsofaudiocharacteristics-Part4:Personalcomputer
【原文标准名称】:音频和视听设备.数字音频部件.音频特征的基本测量方法.第4部分:个人电脑
【标准号】:BSEN61606-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2007-02-28
【实施或试行日期】:2007-02-28
【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】:
【英文主题词】:
【摘要】:ThispartofIEC61606specifiesthebasicmeasurementmethodsofalinearPCMsignalforanaudiopartofpersonalcomputers(PCs)andappliestobothdesktopandportablecomputers.ThecommonmeasuringconditionsandmethodsaredescribedinIEC61606-1.SpecificconditionsandmethodsofmeasurementforPCsaregiveninthisstandard.NOTE1Themethodsdescribedaremostlybasedonsamplingfrequenciesfrom8kHzto192kHzandbitlengthfrom8bitto24bit.NOTE2Thisstandarddescribestestsforequipmentwhichhasdigitalinputwithanalogueoutputandanalogueinputwithdigitaloutput.DigitalinputdataareprovidedfromaninternalHDDorothermemorymediaandoutputdigitaldataarerecordedtoaninternalHDDormainmemories.NOTE3Themethodsspecifiedinthisstandardarenotapplicabletosystemsincorporatingbit-ratereduceddigitalaudiosignalsthathavedatalossorto1-bitsignals.ThispartdoesnotapplytoanalogueinputwithanalogueoutputanddigitalinputwithdigitaloutputasdescribedinIEC61606-1.NOTE4WhenaCPUinaPCisoverloadedbytasksotherthanthoseforaudioinput/output,thePCmayfailtorecord/reproducethewholeaudiodata.Thisstandardappliesonlytothemeasurementinwhichinput/outputdataarerecorded/reproducedwithoutsuchmissingdata.TheperformanceofaPCwithmissingaudiodatamaybeevaluatedbytheshort-termdistortionmeasurementalthoughsuchevaluationisnotwithinthescopeofthisstandard.
【中国标准分类号】:M70
【国际标准分类号】:35_020;33_160_30
【页数】:34P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforAcousticEmissionTestingofInsulatedDiggerDerricks
【原文标准名称】:绝缘采掘式起重机声音发射试验的标准试验方法
【标准号】:ASTMF1797-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:采掘式起重机
【英文主题词】:Acousticinsulatingmaterials;Acousticmeasurement;Acoustics;Derricks;Shipbuilding;Testmethods
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:17_140_20;47_020_40
【页数】:7P;A4
【正文语种】:英语