【英文标准名称】:StandardPracticeforDetectionandEvaluationofDiscontinuitiesbytheImmersedPulse-EchoUltrasonicMethodUsingLongitudinalWaves
【原文标准名称】:用纵波浸入脉冲回波超声法检测与评估间断性的标准实施规范
【标准号】:ASTME1001-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:中断;动量;无损检验;工艺;试验;超声波学
【英文主题词】:immersionultrasonics;nondestructivetesting;pulse-echo;ultrasonicexamination
【摘要】:Thispracticeprovidesguidelinesfortheapplicationofimmersedlongitudinalwaveexaminationtothedetectionandquantitativeevaluationofdiscontinuitiesinmaterials.Althoughnotallrequirementsofthispracticecanbeapplieduniversallytoallinspectionsituationsandmaterials,itdoesprovideabasisforestablishingcontractualcriteriabetweensuppliersandpurchasersofmaterialsforperformingimmersedpulse-echoexamination,andmaybeusedasageneralguideforwritingdetailedspecificationsforparticularapplications.Thispracticeisdirectedtowardstheevaluationofdiscontinuitiesdetectableatnormalbeamincidence.Ifdiscontinuitiesatotherorientationsareofconcern,alternatescanningtechniquesarerequired.1.1Thispracticedescribesproceduresfortheultrasonicexaminationofbulkmaterialsorpartsbytransmittingpulsed,longitudinalwavesthroughaliquidcouplantintothematerialandobservingtheindicationsofreflectedwaves(see).Itcoversonlyexaminationsinwhichonesearchunitisusedasbothtransmitterandreceiver(pulse-echo)andinwhichthepartormaterialbeingexaminediscoupledtothetestpartbyaliquidcolumnoristotallysubmergedinthecouplant(eithermethodisconsideredtobeimmersiontesting).Thispracticeincludesgeneralrequirementsandprocedureswhichmaybeusedfordetectingdiscontinuitiesandformakingarelativeorapproximateevaluationofthesizeofdiscontinuities.1.2ThispracticereplacesPracticeE214andprovidesmoredetailedproceduresfortheselection,calibration,andoperationofaninspectionsystemandforevaluationoftheindicationsobtained.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42;H26
【国际标准分类号】:19_100
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Low-voltageswitchgearandcontrolgearassemblies-Generalrequirementsforlow-voltagesubstationcabledistributionboards.
【原文标准名称】:低压开关设备和控制设备组件.低压变电所电缆配线板的一般要求
【标准号】:NFC63-430-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-07-01
【实施或试行日期】:2004-07-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;系统控制中心;规范(验收);试验;开关设备组件;低压技术;低压电器;低压开关设备;电气工程;开关设备;低电压;结构要求;一般条件;维修
【英文主题词】:Constructionrequirements;Definition;Definitions;Electricalengineering;Generalconditions;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Low-voltagetechnology;Maintenance;Specification(approval);Switchgear;Switchgearassemblies;Systemcontrolcenter;Testing;Testingset-ups
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:27P.;A4
【正文语种】:其他