ANSI PH4.156-1986 摄影用化学药品.无水甲醛合亚硫酸氢钠
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【英文标准名称】:Photography(Chemicals)-SodiumFormaldehydeBisulfite,Anhydrous
【原文标准名称】:摄影用化学药品.无水甲醛合亚硫酸氢钠
【标准号】:ANSIPH4.156-1986
【标准状态】:作废
【国别】:美国
【发布日期】:1986
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:摄影;药液
【英文主题词】:photography;chemicals
【摘要】:
【中国标准分类号】:G81
【国际标准分类号】:37_040_30
【页数】:6P;A4
【正文语种】:英语
【原文标准名称】:摄影用化学药品.无水甲醛合亚硫酸氢钠
【标准号】:ANSIPH4.156-1986
【标准状态】:作废
【国别】:美国
【发布日期】:1986
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:摄影;药液
【英文主题词】:photography;chemicals
【摘要】:
【中国标准分类号】:G81
【国际标准分类号】:37_040_30
【页数】:6P;A4
【正文语种】:英语
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforCorrugatedSteelBoxCulverts
【原文标准名称】:波纹钢箱形涵洞标准规格
【标准号】:ASTMA964/A964M-2003(2011)
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:A05.17
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:桥梁;箱型涵洞;波纹结构板;涵洞;镀锌钢;立体交叉;低空遮掩结构;低糙度结构;雨水管
【英文主题词】:bridge;boxculvert;corrugatedstructuralplate;culvert;galvanizedsteel;gradeseparation;lowcoverstructure;lowprofilestructure;stormsewer
【摘要】:1.1Thisspecificationcoversmaterial,geometric,andwallsectionpropertiesofsteelboxculvertsmanufacturedfromcorrugatedplateorsheet,withorwithoutattachedstiffeners,forfieldassembly.Appropriatefastenersandoptionalmaterialssuchassteelinvertplatesandheadwallsarealsodescribed.Applicationsforsteelboxculvertsincludeconduitsforgravityflowdrainageofsurfacewatersuchasculvertsandstormdrains,aswellasforsmallbridgesandgradeseparationstructuressuchaspedestrianorvehicularunderpasses,andutilitytunnels.1.2Thisspecificationdoesnotincluderequirementsforfoundations,backfill,ortherelationshipbetweenearthcoverorliveloadsandstrengthrequirements.TheseimportantdesignconsiderationsaredescribedintheAASHTOLRFDBridgeDesignSpecifications,CustomaryU.S.Units(LRFDBridgeDesignSpecifications,SIUnits).1.3Thisspecificationdoesnotincluderequirementsforthehydraulicdesignofthesestructures.Hydraulicdesign,placementoffootingsorinverts,andendtreatmentstoresistscouraredescribedinFHWAHDSNo.5.1.4AppendixX1listsnominaldimensionsofboxculvertsizescommonlyavailable.Alsolistedarecross-sectionalareaandhydraulicdesignparametersforthesesizes.1.5AppendixX2listsmanufacturers''suggesteddesignpropertiesfortheboxculverttypesdescribedinthisspecification,andforthespacingclassesandmaterialthicknessestypicallyavailable.1.6Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:
【国际标准分类号】:93_030
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforExaminationofGas-FilledFilament-WoundCompositePressureVesselsUsingAcousticEmission
【原文标准名称】:声发射法检验充气长纤维缠绕复合材料压力容器的标准实施规程
【标准号】:ASTME2191/E2191M-2010
【标准状态】:现行
【国别】:美国
【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】:E07.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acousticemission;compositegascylinders;compositepressurevessel;flaws;gaspressurevessels;NGVtanks;Acousticemission(AE)testing--metals/metallicmaterials;Compositepressurevessels;Filament-woundpressurevessels;Gascylinders;Gas
【摘要】:Duetosafetyconsiderations,theCompressedGasAssociation(CGA)andothershaveproducedguidelineswhichaddressin-serviceinspectionofNGVfuelcontainers(see2.2-2.4).AEexaminationislistedasanalternativetotheminimumthree-yearvisualexaminationwhichgenerallyrequiresthatthecontainerberemovedfromthevehicletoexposetheentirecontainersurface.TheAEmethodallowsx201C;in-situx201D;examinationofthecontainer.Slow-fillpressurizationmustproceedatflowratesthatdonotproducebackgroundnoisefromflowofthepressurizingmedium.Acousticemissiondataarerecordedthroughoutapressurizationrange(thatis,50%to100%ofAEexaminationpressure).Fast-fillpressurizationcanbeusedifholdperiodsareprovided.Acousticemissiondataarerecordedonlyduringtheholdperiods.Note18212;Fast-fillpressurizationislessappropriateforcarbon(orgraphite)compositesduetothelowersensitivityofcarbonfiberstostressrupturecomparedtootherfibers.BackgroundnoiseabovethethresholdwillcontaminatetheAEdataandrenderthemuseless.Usersmustbeawareofthefollowingcommoncausesofbackgroundnoise:highfillrate(measurableflownoise);mechanicalcontactwiththevesselbyobjects;electromagneticinterference(EMI)andradiofrequencyinterference(RFI)fromnearbybroadcastingfacilitiesandfromothersources;leaksatpipeorhoseconnectionsandairborneparticles,insects,rainandsnow.Thispracticeshouldnotbeusedifbackgroundnoisecannotbeeliminatedorcontrolled.5.2Sensitivityisinfluencedbyfactorsthataffectelasticwavepropagation,sensorcouplingandsignalprocessorsettings.5.3ItispossibletomeasureAEfromAEsourcesthatcannotbeverifiedbyotherNDEmethods.1.1Thispracticeprovidesguidelinesforacousticemission(AE)examinationoffilament-woundcompositepressurevessels,forexample,thetypeusedforfueltanksinvehicleswhichusenaturalgasfuel.1.2Thispracticerequirespressurizationtoalevelequaltoorgreaterthanwhatisencounteredinnormaluse.Thetanks''pressurizationhistorymustbeknowninordertousethispractice.Pressurizationmediummaybegasorliquid.1.3Thispracticeislimitedtovesselsdesignedforlessthan690bar[10,000psi]maximumallowableworkingpressureandwatervolumelessthan1m3or1000L[35.4ft3].1.4AEmeasurementsareusedtodetectemissionsources.Othernondestructiveexamination(NDE)methodsmaybeusedtogainadditionalinsightintotheemissionsource.ProceduresforotherNDEmethodsarebeyondthescopeofthispractice.1.5Thispracticeappliestoexaminationofnewandin-servicefilament-woundcompositepressurevessels.1.6Thispracticeappliestoexaminationsconductedatambienttemperaturesabove20x00B0;C[70x00B0;F].Thispracticemaybeusedatambienttemperaturesbelow20x00B0;C[70x00B0;F]ifprovisionhasbeenmadetofilltothetank''sratedpressureat20x00B0;C[70x00B0;F].1.7Units8212;ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.8
【原文标准名称】:波纹钢箱形涵洞标准规格
【标准号】:ASTMA964/A964M-2003(2011)
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:A05.17
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:桥梁;箱型涵洞;波纹结构板;涵洞;镀锌钢;立体交叉;低空遮掩结构;低糙度结构;雨水管
【英文主题词】:bridge;boxculvert;corrugatedstructuralplate;culvert;galvanizedsteel;gradeseparation;lowcoverstructure;lowprofilestructure;stormsewer
【摘要】:1.1Thisspecificationcoversmaterial,geometric,andwallsectionpropertiesofsteelboxculvertsmanufacturedfromcorrugatedplateorsheet,withorwithoutattachedstiffeners,forfieldassembly.Appropriatefastenersandoptionalmaterialssuchassteelinvertplatesandheadwallsarealsodescribed.Applicationsforsteelboxculvertsincludeconduitsforgravityflowdrainageofsurfacewatersuchasculvertsandstormdrains,aswellasforsmallbridgesandgradeseparationstructuressuchaspedestrianorvehicularunderpasses,andutilitytunnels.1.2Thisspecificationdoesnotincluderequirementsforfoundations,backfill,ortherelationshipbetweenearthcoverorliveloadsandstrengthrequirements.TheseimportantdesignconsiderationsaredescribedintheAASHTOLRFDBridgeDesignSpecifications,CustomaryU.S.Units(LRFDBridgeDesignSpecifications,SIUnits).1.3Thisspecificationdoesnotincluderequirementsforthehydraulicdesignofthesestructures.Hydraulicdesign,placementoffootingsorinverts,andendtreatmentstoresistscouraredescribedinFHWAHDSNo.5.1.4AppendixX1listsnominaldimensionsofboxculvertsizescommonlyavailable.Alsolistedarecross-sectionalareaandhydraulicdesignparametersforthesesizes.1.5AppendixX2listsmanufacturers''suggesteddesignpropertiesfortheboxculverttypesdescribedinthisspecification,andforthespacingclassesandmaterialthicknessestypicallyavailable.1.6Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:
【国际标准分类号】:93_030
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforExaminationofGas-FilledFilament-WoundCompositePressureVesselsUsingAcousticEmission
【原文标准名称】:声发射法检验充气长纤维缠绕复合材料压力容器的标准实施规程
【标准号】:ASTME2191/E2191M-2010
【标准状态】:现行
【国别】:美国
【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】:E07.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acousticemission;compositegascylinders;compositepressurevessel;flaws;gaspressurevessels;NGVtanks;Acousticemission(AE)testing--metals/metallicmaterials;Compositepressurevessels;Filament-woundpressurevessels;Gascylinders;Gas
【摘要】:Duetosafetyconsiderations,theCompressedGasAssociation(CGA)andothershaveproducedguidelineswhichaddressin-serviceinspectionofNGVfuelcontainers(see2.2-2.4).AEexaminationislistedasanalternativetotheminimumthree-yearvisualexaminationwhichgenerallyrequiresthatthecontainerberemovedfromthevehicletoexposetheentirecontainersurface.TheAEmethodallowsx201C;in-situx201D;examinationofthecontainer.Slow-fillpressurizationmustproceedatflowratesthatdonotproducebackgroundnoisefromflowofthepressurizingmedium.Acousticemissiondataarerecordedthroughoutapressurizationrange(thatis,50%to100%ofAEexaminationpressure).Fast-fillpressurizationcanbeusedifholdperiodsareprovided.Acousticemissiondataarerecordedonlyduringtheholdperiods.Note18212;Fast-fillpressurizationislessappropriateforcarbon(orgraphite)compositesduetothelowersensitivityofcarbonfiberstostressrupturecomparedtootherfibers.BackgroundnoiseabovethethresholdwillcontaminatetheAEdataandrenderthemuseless.Usersmustbeawareofthefollowingcommoncausesofbackgroundnoise:highfillrate(measurableflownoise);mechanicalcontactwiththevesselbyobjects;electromagneticinterference(EMI)andradiofrequencyinterference(RFI)fromnearbybroadcastingfacilitiesandfromothersources;leaksatpipeorhoseconnectionsandairborneparticles,insects,rainandsnow.Thispracticeshouldnotbeusedifbackgroundnoisecannotbeeliminatedorcontrolled.5.2Sensitivityisinfluencedbyfactorsthataffectelasticwavepropagation,sensorcouplingandsignalprocessorsettings.5.3ItispossibletomeasureAEfromAEsourcesthatcannotbeverifiedbyotherNDEmethods.1.1Thispracticeprovidesguidelinesforacousticemission(AE)examinationoffilament-woundcompositepressurevessels,forexample,thetypeusedforfueltanksinvehicleswhichusenaturalgasfuel.1.2Thispracticerequirespressurizationtoalevelequaltoorgreaterthanwhatisencounteredinnormaluse.Thetanks''pressurizationhistorymustbeknowninordertousethispractice.Pressurizationmediummaybegasorliquid.1.3Thispracticeislimitedtovesselsdesignedforlessthan690bar[10,000psi]maximumallowableworkingpressureandwatervolumelessthan1m3or1000L[35.4ft3].1.4AEmeasurementsareusedtodetectemissionsources.Othernondestructiveexamination(NDE)methodsmaybeusedtogainadditionalinsightintotheemissionsource.ProceduresforotherNDEmethodsarebeyondthescopeofthispractice.1.5Thispracticeappliestoexaminationofnewandin-servicefilament-woundcompositepressurevessels.1.6Thispracticeappliestoexaminationsconductedatambienttemperaturesabove20x00B0;C[70x00B0;F].Thispracticemaybeusedatambienttemperaturesbelow20x00B0;C[70x00B0;F]ifprovisionhasbeenmadetofilltothetank''sratedpressureat20x00B0;C[70x00B0;F].1.7Units8212;ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.8