ASTM F 1183-1988 铝合金链环栅栏结构
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来源:标准资料网
【英文标准名称】:AluminumAlloyChainLinkFenceFabric
【原文标准名称】:铝合金链环栅栏结构
【标准号】:ASTMF1183-1988
【标准状态】:作废
【国别】:美国
【发布日期】:1988
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:钢索格子形金属网;栏栅;铝合金
【英文主题词】:chainlinkfencing;aluminiumalloys;fences
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:77_120_10;77_140_70
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:Non-destructivetesting-Industrialcomputedradiographywithstoragephosphorimagingplates-Part1:Classificationofsystems;EnglishversionofDINEN14784-1
【原文标准名称】:无损检验.储磷成像板工业计算机射线照相.第1部分:系统分类
【标准号】:DINEN14784-1-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-11
【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;储存;分类;作标记;材料试验;信号干扰比;试验;定义;辐射学;记录;光学测量;无损检验;放射性试验;产品规范;图象质量;灵敏度;工业的;仪器;设计;试验设备;电气工程;显示装置(计算机);辐照;计算机技术;射线摄影;规范(验收);CR;辐射摄影术;放射器具(医学);成像板;数字;箔
【英文主题词】:Classification;Computertechnology;CR;Definition;Definitions;Design;Displaydevices(computers);Electricalengineering;Figures;Foil;Imagequality;Imagingplates;Industrial;Instruments;Irradiation;Marking;Materialtests;Materialstesting;Non-destructivetesting;Opticalmeasurement;Productspecification;Radiographictesting;Radiographs;Radiography;Radiology;Radiologyapparatus(medical);Recordings;Sensitivity;Signal-to-interferenceratio;Specification(approval);Specifications;Storage;Testequipment;Testing
【摘要】:ThisEuropeanStandardspecifiesfundamentalparametersofcomputedradiographysystemswiththeaimofenablingsatisfactoryandrepeatableresultstobeobtainedeconomically.Thetechniquesarebasedbothonfundamentaltheoryandtestmeasurements.Thisdocumentspecifiestheperformanceofcomputedradiography(CR)systemsandthemeasurementofthecorrespondingparametersforthesystemscannerandstoragephosphorimagingplate(IP).Itdescribestheclassificationofthesesystemsincombinationwithspecifiedmetalscreensforindustrialradiography.Itisintendedtoensurethatthequalityofimages-asfarasthisisinfluencedbythescanner-IPsystem-isinconformitywiththerequirementsofPart2ofthisdocument.ThedocumentrelatestotherequirementsoffilmradiographydefinedinEN584-1andISO11699-1.ThisEuropeanStandarddefinessystemtestsatdifferentlevels.Morecomplicatedtestsaredescribed,whichallowthedeterminationofexactsystemparameters.Theycanbeusedtoclassifythesystemsofdifferentsuppliersandmakethemcomparableforusers.Thesetestsarespecifiedasmanufacturertests.Someofthemrequirespecialtools,whichareusuallynotavailableinuserlaboratories.Therefore,simplerusertestsarealsodescribed,whicharedesignedforafasttestofthequalityofCRsystemsandlongtermstability.ThereareseveralfactorsaffectingthequalityofaCRimageincludinggeometricalun-sharpness,signal/noiseratio,scatterandcontrastsensitivity.Thereareseveraladditionalfactors(e.g.scanningparameters),whichaffecttheaccuratereadingofimagesonexposedIPsusinganopticalscanner.Thequalityfactorscanbedeterminedmostaccuratelybythemanufacturertestsasdescribedinthisdocument.Individualtesttargets,whicharerecommendedforpracticalusertests,aredescribedforqualityassurance.ThesetestscanbecarriedouteitherseparatelyorbytheuseoftheCRPhantom(AnnexB).ThisCRPhantomincorporatesmanyofthebasicqualityassessmentmethodsandthoseassociatedwiththecorrectfunctioningofaCRsystem,includingthescanner,forreadingexposedplatesandincorrectlyerasingIPsforfutureuseofeachplate.TheCRSystemclassesinthisdocumentdonotrefertoanyparticularmanufacturersImagingPlates.ACRsystemclassresultsfromtheuseofaparticularimagingplatetogetherwiththeexposureconditions-particularlytotalexposure-thescannertypeandthescanningparameters.
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:Methodfordeterminationofmoisturecontentofpaperandboardbytheoven-dryingmethod
【原文标准名称】:纸、纸板水分含量的烘箱干燥测定法
【标准号】:BS3433-1980
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【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】:
【国际标准分类号】:
【页数】:
【正文语种】:
