【英文标准名称】:StandardPracticeforElectromagnetic(Eddy-Current)SortingofNonferrousMetals
【原文标准名称】:有色金属的电磁(涡流)分类标准规程
【标准号】:ASTME703-1998(2004)e1
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:电磁的;分类;试验;无损检验;金属;有色金属
【英文主题词】:electromagnetic(eddycurrent)examination;nonferrousmetals;sorting
【摘要】:Absoluteandcomparativemethodsprovideameasureforsortinglargequantitiesofnonferrouspartsorstockwithregardtocompositionorcondition,orboth.Thecomparativeortwo-coilmethodisusedwhenhigh-sensitivityexaminationisrequired.Theadvantageofthismethodisthatitalmostcompletelysuppressesinterferences.Theabilitytoaccomplishthesetypesofseparationssatisfactorilyisdependentupontherelationoftheelectriccharacteristicsofthenonferrouspartstotheirphysicalcondition.Thesemethodsmaybeusedforhigh-speedsortinginafullyautomatedsetupwherethespeedofexaminationmayapproachmanyspecimensperseconddependingontheirsizeandshape.Successfulsortingofnonferrousmaterialdependsmainlyonthevariablespresentinthesampleandtheproperselectionoffrequencyandfillfactor.Theaccuracyofasortwillbeaffectedgreatlybythecouplingbetweenthetestcoilfieldandtheexaminedpartduringthemeasuringperiod.1.1Thispracticedescribesaprocedureforsortingnonferrousmetalsusingtheelectromagnetic(eddy-current)method.Theprocedureisintendedforusewithinstrumentsusingabsoluteorcomparator-typecoilsfordistinguishingvariationsinmass,shape,conductivity,andothervariablessuchasalloy,heattreatment,orhardnessthatmaybecloselycorrelatedwiththeelectricalpropertiesofthematerial.Selectionofsamplestoevaluatesortingfeasibilityandtoestablishstandardsisalsodescribed.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H60
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Fibreopticconnectorinterfaces-Part15:TypeLSHconnectorfamily(IEC61754-15:1999);GermanversionEN61754-15:2001
【原文标准名称】:光纤连接器接口.第15部分:LSH型连接器系列(IEC61754-15:1999);德文版本EN61754-15:2001
【标准号】:DINEN61754-15-2002
【标准状态】:作废
【国别】:德国
【发布日期】:2002-05
【实施或试行日期】:2002-05-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:指导手册;连接工艺;销连接;光波导;连接器;电气工程;插头;尺寸;纤维光学;电插头;型式;配置;连接器元件;插接件连接
【英文主题词】:Configuration;Connectiontechnology;Connectorelements;Connectoredjoints;Connectors;Dimensions;Electricplugs;Electricalengineering;Fibreoptics;Guidebooks;Opticalwaveguides;Pinjoints;Plugs;Types
【摘要】:ThedocumentdefinesthestandardinterfacedimensionsfortypeLSHfamilyofconnectors.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:23P.;A4
【正文语种】:德语