【英文标准名称】:Basematerialsforprintedcircuits-Part2:specifications-SpecificationNo.10:epoxidenon-woven/wovenglassreinforcedcopper-cladlaminatedsheetofdefinedflammability(verticalburningtest).
【原文标准名称】:印刷电路的基材.第2部分:规范.10号规范.规定易燃性的环氧化合物非机织/机织玻璃纤维增强包铜层压板(垂直燃烧试验)
【标准号】:NFC93-760/A1-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-09-01
【实施或试行日期】:2001-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:13_220_40;31_180
【页数】:5P;A4
【正文语种】:其他


【英文标准名称】:Non-destructivetesting-Acousticemissioninspection-Primarycalibrationoftransducers
【原文标准名称】:无损检测声发射检查传感器的初次校正
【标准号】:ISO12713-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC135
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;声传输;声学设备;声学试验;校正;无损检验;声音传播;变压器;试验条件
【英文主题词】:Acousticequipment;Acoustictesting;Calibration;Non-destructivetesting;Soundpropagation;Soundtransmission;Testequipment;Testingconditions;Transformers
【摘要】:ThisInternationalStandardspecifiesamethodfortheabsolutecalibrationofacousticemissiontransducers.TheaimofthisInternationalStandardistoestablishuniformityofacousticemissiontestinginordertoformabasisfordatacorrelationandtoprovidefortheinterpretationofresultsobtainedbydifferentlaboratoriesatdifferenttimes.Anacceptedmethodforthecalibrationofacousticemissiontransducersmustbespecifiedtocharacterizetheirbehaviour.ThisInternationalStandardestablishesamethodfortheprimarycalibrationofacousticemissiontransducersasreceiversofelasticwavesatthesurfaceofasolidmedium.Thecalibrationyieldsthefrequencyresponseofatransducertowavesofthetypenormallyencounteredinacousticemissionwork.Thetransducervoltageresponseisdeterminedatdiscretefrequencyintervalsofapproximately10kHzupto1MHz.Theinputisagivenwell-establisheddynamicdisplacementofthemountingsurface.Theunitsofthecalibrationareoutputvoltageperunitmechanicalinput(displacement,velocityoracceleration).ThisInternationalStandardisapplicabletosecondarystandardtransducersandtoacousticemissionapplicationstransducers.
【中国标准分类号】:H26
【国际标准分类号】:17_140_01
【页数】:29P.;A4
【正文语种】:英语