DIN 13950-1-1990 牙科学；牙医用钻具.铣具和磨具；柄
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来源:标准资料网
【英文标准名称】:Dentistry;dentalrotaryinstruments;shanks(ISO1797:1985);germanversionEN21797:1989
【原文标准名称】:牙科学；牙医用钻具.铣具和磨具；柄
【标准号】:DIN13950-1-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-05
【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】:牙科学;尺寸;仪器;材料;检验;钻头;硬度;牙科旋切器;牙钻;牙科器械
【英文主题词】:materials;hardness;drills;instruments;dentaldrills;dentalinstruments;dentistry;dentalrotary-cuttinginstruments;dimensions;inspection
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:0690
【页数】:5P;A4
【正文语种】:德语
【英文标准名称】:SteelForgings;MachiningAllowancesandPermissibleVariationsforSeamlessOpen-dieForgedBushes
【原文标准名称】:钢锻件.自由锻造的套筒的加工余量及允许偏差
【标准号】:DIN7527-4-1972
【标准状态】:现行
【国别】:德国
【发布日期】:1972-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:锻件;加工公差;压制;加工余量;锤击;钢;轴衬;尺寸;公差;材料
【英文主题词】:Bushes(mechanicalcomponents);Dimensions;Forgings;Machiningtolerances;Materials;Peening;Pressing(forming);Steels;Tolerances(measurement)
【摘要】:Steelforgings;machiningaliowancesandtolerancesforseamlessforgedbushesPiècesforgéesenacier;surépaisseursd'usinageettolerancespourdouillesforgéessanssoudure
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:3P.;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforDeterminingtheInclusionorSecond-PhaseConstituentContentofMetalsbyAutomaticImageAnalysis
【原文标准名称】:用自动图象分析法测定金属的夹杂物或次生相要素含量的标准操作规程
【标准号】:ASTME1245-2003
【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】:E04.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;钢;含量;夹杂物;金属;金相学
【英文主题词】:exogenous;inclusion;feature-specificmeasurements;fieldmeasurements;imageanalysis;inclusions;indigenousinclusions;lightmicroscopy;oxide;second-phaseparticles;statisticalanalysis;stereology;sulfide
【摘要】:1.1Thispracticedescribesaprocedureforobtainingstereologicalmeasurementsthatdescribebasiccharacteristicsofthemorphologyofindigenousinclusionsinsteelsandothermetalsusingautomaticimageanalysis.Thepracticecanbeappliedtoprovidesuchdataforanydiscretesecondphase.Note18212;Stereologicalmeasurementmethodsareusedinthispracticetoassesstheaveragecharacteristicsofinclusionsorothersecond-phaseparticlesonalongitudinalplane-of-polish.Thisinformation,byitself,doesnotproduceathree-dimensionaldescriptionoftheseconstituentsinspaceasdeformationprocessescauserotationandalignmentoftheseconstituentsinapreferredmanner.Developmentofsuchinformationrequiresmeasurementsonthreeorthogonalplanesandisbeyondthescopeofthispractice.1.2Thispracticespecificallyaddressestheproblemofproducingstereologicaldatawhenthefeaturesoftheconstituentstobemeasuredmakeattainmentofstatisticallyreliabledatadifficult.1.3Thispracticedealsonlywiththerecommendedtestmethodsandnothinginitshouldbeconstruedasdefiningorestablishinglimitsofacceptability.1.4ThemeasuredvaluesarestatedinSIunits,whicharetoberegardedasstandard.Equivalentinch-poundvaluesareinparenthesesandmaybeapproximate.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_040_99
【页数】:8P.;A4
【正文语种】:
