DIN 19059-2-1985 缩微胶卷.缩微胶卷用图形符号.应用和概览
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来源:标准资料网
【英文标准名称】:Microfilms;graphicsymbolsformicrofilmingforuseinpractice;applicationandsummary
【原文标准名称】:缩微胶卷.缩微胶卷用图形符号.应用和概览
【标准号】:DIN19059-2-1985
【标准状态】:现行
【国别】:德国
【发布日期】:1985-11
【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】:图形符号;缩微胶卷;胶卷缩微;图形表示;标志;缩微品;显微摄影;摄影;缩微照相;符号;缩微平片
【英文主题词】:Graphicrepresentation;Graphicsymbols;Microfiche;Microfilm;Microfilming;Microforms;Micrographics;Microphotography;Photography;Photomicrography;Signs;Symbols
【摘要】:
【中国标准分类号】:A14
【国际标准分类号】:37_080
【页数】:5P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforDeterminingtheCreviceRepassivationPotentialofCorrosion-ResistantAlloysUsingaPotentiodynamic-Galvanostatic-PotentiostaticTechnique
【原文标准名称】:用动电位-恒电流-恒电位技术测定耐腐蚀合金潜在缝隙腐蚀的标准试验方法
【标准号】:ASTMG192-2008
【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】:G01.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosion&x2013;resistantalloys;crevicerepassivationpotential;electrochemicaltest
【摘要】:TheTHEtestmethodisdesignedtoprovidehighlyreproduciblecrevicerepassivationpotentialsforcorrosionx2013;resistantalloys(forexample,Alloy22)inawiderangeofenvironmentsfromnon-aggressivetohighlyaggressive.Inconditionsoflowenvironmentalaggressiveness(suchaslowtemperatureorlowchlorideconcentration),corrosionx2013;resistantalloyssuchasAlloy22willresistcrevicecorrosioninitiationandthecyclicpotentiodynamicpolarizationtest(TestMethodG61)mayfailtopromotecrevicecorrosionmainlybecauseitdrivesthealloyintotranspassivedissolutioninsteadofnucleatingcrevicecorrosion.TheTHEtestmethodprovidesamorecontrolledwayofapplyingtheelectricalchargetothetestelectrode,whichmayinducecrevicecorrosionwithoutmovingitintotranspassivepotentials.Themorenoblethiscrevicecorrosionrepassivationpotential(ER,CREV)value,themoreresistantthealloyistocrevicecorrosioninthetestedelectrolyte.ThisissimilartoothertestmethodstomeasurelocalizedcorrosionresistancesuchasTestMethodG61andTestMethodsG48.Theresultsfromthistestmethodarenotintendedtocorrelateinaquantitativemannerwiththerateofpropagationthatonemightobserveinservicewhenlocalizedcorrosionoccurs.Thistestmethodmaybeusedtorankseveralalloysbyusingthesametestingelectrolyteandtemperature.Itcanalsobeusedtodeterminetheresponseofagivenalloywhentheenvironmentalconditions(suchaselectrolytecompositionandtemperature)change.1.1Thistestmethodcoversaprocedureforconductinganodicpolarizationstudiestodeterminethecrevicerepassivationpotentialforcorrosionx2013;resistantalloys.TheconceptoftherepassivationpotentialissimilartothatoftheprotectionpotentialgiveninReferenceTestMethodG5.1.2Thetestmethodconsistsinapplyingsuccessivelypotentiodynamic,galvanostatic,andpotentiostatictreatmentsfortheinitialformationandafterwardrepassivationofcrevicecorrosion.1.3ThistestmethodisacomplementtoTestMethodG61.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:SinglePoleLocking-TypeSeparableConnectors
【原文标准名称】:单极锁式可分离连接器
【标准号】:UL1691-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012-02-29
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Adapters;Attachingplugs;Attachment;Connectors;Electricconnectors;Electricplugs;Electricalcords;Electricalengineering;Fittings;Locking;Panelsockets;Performance;Pincontacts;Receptacles;Single-pole;Testing
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:29_120_30
【页数】:
【正文语种】:英语
