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SAE AMSQQA200/10 Aluminum Alloy 6066, Bar, Rod, Shapes, Tube, and Wire, Extruded

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Product Code:SAE AMSQQA200/10
Title:Aluminum Alloy 6066, Bar, Rod, Shapes, Tube, and Wire, Extruded
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers the specific requirements for aluminum alloy 6066 bar, rod, shapes, tube, and wire produced by extrusion.
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【英文标准名称】:StandardPracticeforDeterminingContrastSensitivityinRadioscopy
【原文标准名称】:射线检验中测定衬比灵敏度的标准实施规程
【标准号】:ASTME1647-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contrastsensitivitygauge;gammaray;imageformation;imageprocessing;imagequalityindicator;line-pairspermillimeter;penetratingradiation;spatialresolution;X-ray;Contrastsensitivity;Gammaradiation;Imageanalysis;IQI(imagequalit
【摘要】:Thecontrastsensitivitygaugemeasurescontrastsensitivityindependentoftheimagingsystemspatialresolutionlimitations.Thethicknessrecessdimensionsofthecontrastsensitivitygaugearelargewithrespecttothespatialresolutionlimitationsofmostimagingsystems.Fourlevelsofcontrastsensitivityaremeasured:4%,3%,2%,and1%.Thecontrastsensitivitygaugeisintendedforuseinconjunctionwithahigh-contrastresolutionmeasuringgauge,suchastheEN462x2013;5DuplexWireImageQualityIndicator.Suchgaugesmeasurespatialresolutionessentiallyindependentoftheimagingsystem''scontrastsensitivity.Suchmeasurementsareappropriateforthequalificationandperformancemonitoringofradiographicandradioscopicimagingsystemswithfilm,realtimedevices,ComputedRadiography(CR)andDigitalDetectorArrays(DDA).Radioscopic/radiographicsystemperformancemaybespecifiedbycombiningthemeasuredcontrastsensitivityexpressedasapercentagewiththespatialresolutionexpressedinmillimetersofunsharpness.FortheEN462x2013;5spatialresolutiongauge,theunsharpnessisequaltotwicethewirediameter.Forthelinepairgauge,theunsharpnessisequaltothereciprocaloftheline-pair/mmvalue.Asanexample,animagingsystemthatexhibits2%contrastsensitivityandimagesthe0.1mmEN462x2013;5pairedwires(equivalenttoimaging5line-pairs/millimeterresolutiononaline-pairgauge)performsata2%x2013;0.2mmsensitivitylevel.AstandardmethodofevaluatingoverallradioscopicsystemperformanceisgiveninPracticeE1411andinEN13068x2013;1andforCRitcanbefoundinPracticeE2445.1.1Thispracticecoversthedesignandmaterialselectionofacontrastsensitivitymeasuringgaugeusedtodeterminetheminimumchangeinmaterialthicknessordensitythatmaybeimagedwithoutregardtospatialresolutionlimitations.1.2Thispracticeisapplicabletotransmitted-beamradiographicandradioscopicimagingsystemsutilizingX-rayandgammarayradiationsources.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.TheSIunitsgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetystatements,seeNIST/ANSIHandbook114Section8,CodeofFederalRegulations21CFR1020.40and29CFR1910.96.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:F09Typeconnectorsforopticalfibercables
【原文标准名称】:F09型纤维光缆连接器
【标准号】:JISC5978-1993
【标准状态】:作废
【国别】:日本
【发布日期】:1993-10-01
【实施或试行日期】:1993-10-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Electronics
【标准类型】:()
【标准水平】:()
【中文主题词】:维纤光学连接器;纤维光缆;纤维光学
【英文主题词】:fibreoptics;fibreopticconnectors;fibreopticcables
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:25P;A4
【正文语种】:日语