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ANSI/ASTM D1972-2001 塑料90-03第55项通用标记惯例

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【英文标准名称】:PracticeforGenericMakingofPlastics90-03Item55(08.01)
【原文标准名称】:塑料90-03第55项通用标记惯例
【标准号】:ANSI/ASTMD1972-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:2001-11-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;塑料制品
【英文主题词】:designations;plasticsproducts
【摘要】:Thispracticecoversasystemforuniformmarkingofproductsthathavebeenfabricatedfrompolymericmaterials.Provisionfortheprocessorprocessestobeusedformarkingisoutsidethescopeofthispractice.Note1-Precisedetailsofthemarking,forexample,theminimumsizeoftheitemtobemarked,thesizeofthelettering,andtheappropriatelocationofthemarking,maybesubjecttoagreementbetweenthemanufacturerandtheuser.Theabbreviatedtermsusedaretoprovidegenericidentificationofthepolymer(s).Thispracticeisespeciallypertinentforusewithdurableplasticcomponentsofproducts.Thispracticeisnotintendedtosupplant,replace,orinanywayinterferewiththerequirementsfoundinlegislationformarkingorlabelingofpackaging.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note2-Inmanyrespects,thispracticeissimilartoISO11469.
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:
【正文语种】:英语


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【英文标准名称】:StandardPracticeforUseoftheUltrasonicTimeofFlightDiffraction(TOFD)Technique
【原文标准名称】:飞行衍射时间(TOFD)超声技术使用的标准实施规程
【标准号】:ASTME2373-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:
【英文主题词】:flaw-heightsizing;flawsizing;nondestructivetesting;time-of-flight-diffraction;TOFD;ultrasonic
【摘要】:ThispracticeprovidesgeneralprinciplesfortheapplicationoftheTime-of-FlightDiffractionTechniqueasatoolfordetectionandsizingofdiscontinuities.TOFDisanondestructiveultrasonicexaminationtechniquethatisnotbasedonamplituderesponse.However,sufficientsensitivityisrequiredtoidentifyindicationsforevaluation.Techniquesusedaretypicallyappliedtoweldedjointsincarbonsteelbuttheprinciplesmaybeapplicabletootherapplicationsincludingothermaterialswithsuitablevalidationproceduresagreeabletothecontractingparties.Inadditiontoastand-aloneultrasonicdetectiontechniqueTOFDmaybeusedinconjunctionwithweldexaminationssuchasthosedescribedinPracticesE164andE1961whereitmaybeusedtoimprovesizingestimatesofflawsdetectedbythemanualormechanizedpulse-echotechniquesandhelpdiscriminatebetweenflawsandgeometricreflectors.Thetechniquehasproveneffectiveonthicknessesfrom9to300mm[0.375to12in.].TOFDhasbeenusedonthicknessesoutsideofthisrangebutspecialconsiderationsarenecessary.Techniquesdevelopedoutsideofthisrangeofthicknessshallbedemonstratedascapableofmeetingtherequireddetectionandsizingrequirementsofthespecificationused.1.1ThispracticeestablishestherequirementsfordevelopingultrasonicexaminationproceduresusingtheultrasonictechniqueknownasTime-of-FlightDiffraction(TOFD).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Inch-poundunitsareprovidedforinformation.1.3ConsistentwithASTMPolicy,TOFDmayberegardedasanultrasonictestmethodwherebythequalitiesandcharacteristicsoftheitemtestedareevaluated,measuredandinsomecasesidentified.Measurementsmaybesubjecttoprecisionandbiasthatmaybedeterminedstatisticallyorasafunctionofsomeparameter(s)suchaswavelength.Thispracticemaybeusedforapplicationsthatwouldbequalitativeandproperlyaddressedasexaminationsaswellasquantitativeandmoreproperlyaddressedastests.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V04
【国际标准分类号】:71_040_99
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Videorecording-12,65mmtypeD-11format-Part1:Taperecording(IEC62356-1:2003);GermanversionEN62356-1:2004
【原文标准名称】:视频记录.12.65mm型D-11格式.第1部分:磁带记录
【标准号】:EN62356-1-2004
【标准状态】:现行
【国别】:
【发布日期】:2005-03
【实施或试行日期】:2005-03-01
【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】:声信号;磁带记录;数字录制技术;螺旋扫描记录(法);视频信号;娱乐电子学;电气工程;数据压缩;译码;电性能;特性;帧频;扫描;输出信号;参数;电视信号;数据格式;视频记录;磁带;数字信号;录像带;记录设备;尺寸;盒式磁带;规范(验收);记录;盒式录象带;数字;格式编排;编码;录像磁带;包装配;比特率
【英文主题词】:Acousticsignals;Bitrates;Cassettes;Cassettes(magnetictapes);Datacompression;Dataformats;Decoding;Digitalrecordingtechnique;Digitalsignals;Dimensions;Electricalengineering;Electricalproperties;Encoding;Entertainmentelectronics;Figures;Formatting;Framefrequencies;Helicalscanrecording;Magnetictaperecordings;Magnetictapes;Outputsignals;Packetassembly;Parameters;Properties;Recording;Recordingequipment;Scanning;Sizes;Specification(approval);Videocassettes;Videorecording;Videosignals;Videotaperecordings;Videotapes;Visionsignals
【摘要】:
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:70P.;A4
【正文语种】:英语