EN ISO 11380-1996 光学和光学仪器.眼科光学.镜片样板
时间:2024-05-15 13:55:24 来源: 标准资料网 作者：标准资料网 阅读：9495
【英文标准名称】:Opticsandopticalinstruments-Ophthalmicoptics-Formers(ISO11380:1994);GermanversionENISO11380:1996
【原文标准名称】:光学和光学仪器.眼科光学.镜片样板
【标准号】:ENISO11380-1996
【标准状态】:现行
【国别】:
【发布日期】:1996-08
【实施或试行日期】:
【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】:眼科光学;作标记;尺寸;光学;眼镜镜片;式样;镜片样板;眼镜架;光学仪器;光学设备
【英文主题词】:Characteristics;Correctivelenses;Dimensions;Formers;Marking;Medicalinstruments;Models;Ophtalmicoptics;Ophthalmicequipment;Opticalequipment;Opticalinstruments;Optics;Patterns;Specification;Specification(approval);Spectacleframes;Spectaclelenses
【摘要】:
【中国标准分类号】:Y89
【国际标准分类号】:11_040_70
【页数】:6P.;A4
【正文语种】:英语
【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)分类标准实施规程
【标准号】:ASTME703-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:
【英文主题词】:electromagnetic(eddycurrent)examination;nonferrousmetals;sorting;Absolutecoilmethod;Comparativecoilmethod;Comparisontechniques;Eddycurrentexamination;Electromagnetic(eddycurrent)testing;Encirclingcoilmethod;Magneticproperties;N
【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.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:LIQUEFIEDPETROLEUMGASES.DETERMINATIONOFVAPOURPRESSURE.LPGMETHOD.(EUROPEANSTANDARDENISO4256).
【原文标准名称】:液化石油气.蒸汽压力的测定.液化石油气法
【标准号】:NFM41-010-1995
【标准状态】:作废
【国别】:法国
【发布日期】:1995-06
【实施或试行日期】:1995-05-05
【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】:E46
【国际标准分类号】:
【页数】:11P;A4
【正文语种】:其他