HB 7-6-1979 弹簧钩
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来源:标准资料网
基本信息
| 标准名称： | 弹簧钩 |
| 中标分类： |
航空、航天 >>
航空器及其附件 >>
生命保障系统与设备 |
| 替代情况： | HB 7-6-69 |
| 发布日期： | 1980-03-26 |
| 实施日期： | 1979-12-31 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 2页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航空器及其附件 生命保障系统与设备
【英文标准名称】:Groovedpins.Half-lengthreverse-tapergrooved.
【原文标准名称】:带槽销.半长度倒锥槽的销钉
【标准号】:NFE25-762-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-12-01
【实施或试行日期】:1997-12-20
【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】:Acceptancespecification;Connectorelements;Connectoredjoints;Deliveryconditions;Designations;Dimensions;Fasteners;Groovedpins;Mechanic;Pins(nails);Specification(approval);Specifications
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_50
【页数】:11P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforMonitoringofAtmosphericCorrosionChambersbyQuartzCrystalMicrobalances
【原文标准名称】:水晶微量天平监测大气腐蚀室的标准试验方法
【标准号】:ASTMB808-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:B02.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:腐蚀监测;电导线;监控;压电石英振荡器;污染物气体腐蚀;水晶微量天平(QCM);薄膜蒸发器监测;大气腐蚀分析;电触点材料;气体(大气)
【英文主题词】:corrosionmonitor;Metalelectricalconductors;Monitoring;Piezoelectriccrystaloscillator;Pollutantgasattack;Quartzcrystalmicrobalances(QCM);Thinfilmevaporatormonitor;Atmosphericcorrosionanalysis;Electricalcontactmaterials;Gases(atmospheric)
【摘要】:Corrosionfilmgrowthwiththicknessesvaryingfromamonolayerofatomsupto1x03BC;mcanreadilybemeasuredonacontinuous,real-time,in-situ,basiswithQCMs.Thetestresultsobtainedforthistestmethodareinfluencedbyvariousfactors,includinggeometricaleffects,temperature,humidity,filmthickness,filmmaterials,electrodeconditions,gasesinthecorrosionchamber,atmosphericpressure,andsoforth.Calibrationofcoatedcrystalsandinstrumentationandreproduciblecrystaloperatingconditionsarenecessaryforconsistentresults.1.1Thistestmethodmonitorsthereactivityofagaseoustestenvironmentinwhichmetalsurfaces(forexample,electricalcontacts,assembledprintedwiringboards,andsoforth)andothermaterialssubjecttopollutantgasattackundergoacceleratedatmosphericcorrosiontesting.Thistestmethodisapplicabletothegrowthofadherentcorrosionfilmswhosetotalcorrosionfilmthicknessrangesfromafewatomicmonolayerstoapproximatelyamicrometre.1.2Thetestmethodprovidesadynamic,continuous,in-situ,procedureformonitoringthecorrosionrateincorrosionchambers;theuniformityofcorrosionchambers;andthecorrosionrateondifferentsurfaces.Responsetimeintheorderofsecondsispossible.1.3Withthepropersamples,thequartzcrystalmicrobalance(QCM)testmethodcanalsobeusedtomonitortheweightlossfromasurfaceasaresultofthedesorptionofsurfacespecies(thatis,reductionofanoxideinareducingatmosphere).(AlternativenamesforQCMarequartzcrystaloscillator,piezoelectriccrystaloscillator,orthin-filmevaporationmonitor.)1.4Thistestmethodisnotsufficienttospecifythecorrosionprocessthatmaybeoccurringinachamber,sinceavarietyofpollutantgasesandenvironmentsmaycausesimilarweightgains.1.5Thistestmethodisgenerallynotapplicabletotestenvironmentsinwhichsolidorliquidparticlesaredepositedonthesurfaceofthequartzcrystal.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:4P.;A4
【正文语种】:
