ANSI ATIS0300007-2007 物理网络源的识别
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【英文标准名称】:IdentificationofPhysicalNetworkResources
【原文标准名称】:物理网络源的识别
【标准号】:ANSIATIS0300007-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;识别;互连接;网络;网络互连;物理的;电信网
【英文主题词】:Designations;Identification;Interconnection;Network;Networkinterconnection;Physical;Telecommunicationnetworks
【摘要】:ThisstandardshowshowATISinterconnectionstandardsmaptoITU-TrecommendationM.1401Formalizationofinterconnectiondesignationsamongoperators'networks,notonlyfornetworkoperatorinterconnection,butalsoforidentificationofPhysicalNetworkResources(PNR).
【中国标准分类号】:M10
【国际标准分类号】:33_040_35;35_110
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingthe(In-plane)FlowRateperUnitWidthandHydraulicTransmissivityofaGeosyntheticUsingaConstantHead
【原文标准名称】:土工织物及其有关产品的恒定水头液压透过比(在平面流中)的标准试验方法
【标准号】:ASTMD4716-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【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】:建筑;土工织物;液压传动系统;试验;施工材料
【英文主题词】:constructionmaterials;hydraulictransmissionsystems;construction;geotextiles;testing
【摘要】:
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforMagneticParticleExaminationofSteelForgings
【原文标准名称】:钢锻件磁粉检查的标准实施规程
【标准号】:ASTMA275/A275M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:A01.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:circularmagnetization;dcmagnetization;drymethod;fluorescentmethod;longitudinalmagnetization;steelforgings;surfaceflawdetection;wetmethod;Defects;Forgings;Magneticparticleinspection;Steelforgings;Surfaceanalysis--metals/alloys;Vi
【摘要】:Forferromagneticmaterials,magneticparticleexaminationiswidelyspecifiedforthedetectionofsurfaceandnearsurfacediscontinuitiessuchascracks,laps,seams,andlinearlyorientednonmetallicinclusions.SuchexaminationsareincludedasmandatoryrequirementsinsomeforgingstandardssuchasSpecificationA508/A508M.Useofdirectcurrentorrectifiedalternating(fullorhalfwave)currentasthepowersourceformagneticparticleexaminationallowsdetectionofsubsurfacediscontinuities.1.1Thispracticecoversaprocedureformagneticparticleexaminationofsteelforgings.Theprocedurewillproduceconsistentresultsuponwhichacceptancestandardscanbebased.Thisstandarddoesnotcontainacceptancestandardsorrecommendedqualitylevels.1.2Onlydirectcurrentorrectifiedalternating(fullorhalfwave)currentshallbeusedastheelectricpowersourceforanyofthemagnetizingmethods.Alternatingcurrentisnotpermittedbecauseitscapabilitytodetectsubsurfacediscontinuitiesisverylimitedandthereforeunsuitable.1.2.1Portablebatterypoweredelectromagneticyokesareoutsidethescopeofthispractice.Note18212;GuideE709maybeutilizedformagneticparticleexaminationinthefieldformachinerycomponentsoriginallymanufacturedfromsteelforgings.1.3TheminimumrequirementsformagneticparticleexaminationshallconformtopracticestandardsofPracticeE1444.IftherequirementsofthispracticeareinconflictwiththerequirementsofPracticeE1444,therequirementsofthispracticeshallprevail.1.4Thisspecificationandtheapplicablematerialspecificationsareexpressedinbothinch-poundunitsandSIunits.However,unlesstheorderspecifiestheapplicablex201C;Mx201D;specificationdesignation[SIunits],thematerialshallbefurnishedtoinch-poundunits.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_140_85
【页数】:7P.;A4
【正文语种】:英语
