DIN 2283-2-1989 螺纹不过端量规.螺纹公称直径为40至200mm的ISO米制螺纹的不过端工作量规.检验量规和调节量规
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【英文标准名称】:NOTGOworkshopscrewpluggauges,checkplugsandsettingplugsforISOmetricscrewthreadsover40mmupto200mmnominaldiameter
【原文标准名称】:螺纹不过端量规.螺纹公称直径为40至200mm的ISO米制螺纹的不过端工作量规.检验量规和调节量规
【标准号】:DIN2283-2-1989
【标准状态】:作废
【国别】:德国
【发布日期】:1989-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(审批);作标记;ISO米制螺纹;尺寸;塞规;公差;定位规;螺纹
【英文主题词】:marking;threads;isometricthreads;pluggauges;settinggauges;dimensions;tolerances(measurement);specification(approval)
【摘要】:
【中国标准分类号】:J42
【国际标准分类号】:21_040_00
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasurementofCorrosionSitesinNickelPlusChromiumorCopperPlusNickelPlusChromiumElectroplatedSurfaceswithDouble-BeamInterferenceMicroscope
【原文标准名称】:双束干涉显微镜测量镍+铬或铜+镍+铬电镀表面腐蚀部位的标准试验方法
【标准号】:ASTMB651-1983(2010)
【标准状态】:现行
【国别】:
【发布日期】:1983
【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】:B08.08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:copper-nickel-chromium-electrodepositedcoatings;corrosion-electrodepositedcoatings;double-beaminterferencemicroscopy;electroplatedcoatings;electroplatedcoatings-chromium;electroplatedcoatings-nickel;microscopicexamination-metallic/inor
【摘要】:Differentelectroplatingsystemscanbecorrodedunderthesameconditionsforthesamelengthoftime.Differencesintheaveragevaluesoftheradiusorhalf-widthorofpenetrationintoanunderlyingmetallayeraresignificantmeasuresoftherelativecorrosionresistanceofthesystems.Thus,ifthepitradiiaresubstantiallyhigheronsampleswithagivenelectroplatingsystem,whencomparedtoothersystems,atendencyforearlierfailureoftheformerbyformationofvisiblepitsisindicated.Ifpenetrationintothesemi-brightnickellayerissubstantiallyhigher,atendencyforearlierfailurebycorrosionofbasismetalisevident.1.1Thistestmethodprovidesameansformeasuringtheaveragedimensionsandnumberofcorrosionsitesinanelectroplateddecorativenickelpluschromiumorcopperplusnickelpluschromiumcoatingonsteelafterthecoatinghasbeensubjectedtocorrosiontests.Thistestmethodisusefulforcomparingtherelativecorrosionresistancesofdifferentelectroplatingsystemsandforcomparingtherelativecorrosivitiesofdifferentcorrosiveenvironments.Thenumbersandsizesofcorrosionsitesarerelatedtodeteriorationofappearance.Penetrationoftheelectroplatedcoatingsleadstoappearanceofbasismetalcorrosionproducts.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:77_060
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part3-45:Examinationsandmeasurements-Attenuationofrandommatedmulti-fibreconnectors(IEC61300-3-45:2011);GermanversionEN61300-3-45:2011
【原文标准名称】:光纤互连器件和无源元件.基本试验和测量规程.第3-45部分:检验和测量—随机成对多模光纤连接器的衰减(IEC61300-3-45-2011).德文版本EN61300-3-45-2011
【标准号】:EN61300-3-45-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-02
【实施或试行日期】:2012-02-01
【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】:
【英文主题词】:Attenuation;Attenuationfactors;Buildingcomponenttest;Cables;Components;Connectiontechnology;Damping;Dampingcoefficient;Electricalengineering;Fasteners;Fibreoptics;Glassfibrecables;Insertionloss;Measurement;Measuringtechniques;Multi-contactconnectors;Opticalwaveguides;Passive;Plugs;Testing;Transferfunctions
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:17P;A4
【正文语种】:英语
