DIN 6163 Bb.1-1959 信号灯颜色和颜色极限.公路与电车交通用固定信号灯
时间:2024-04-27 21:45:07 来源: 标准资料网 作者：标准资料网 阅读：9104
【英文标准名称】:Coloursandcolourlimitsforsignallights;stationarysignallightsinroadtrafficandtramwaytraffic
【原文标准名称】:信号灯颜色和颜色极限.公路与电车交通用固定信号灯
【标准号】:DIN6163Bb.1-1959
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:T38
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:Soilquality.Simplifiedsoildescription.
【原文标准名称】:土壤质量.简化的土壤说明书
【标准号】:NFX31-001-1998
【标准状态】:作废
【国别】:法国
【发布日期】:1998-05-01
【实施或试行日期】:1998-05-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Analysis;Analysisdata;Appearance;Characteristics;Chemicalanalysisandtesting;Classificationsystems;Compositionoftheground;Descriptions;Earth'ssurface;Environment;Horizon;Influences;Investigations;Locations;People;Profile;Propertyofsoil;Representations;Simplifications;Soilanalysis;Soilcharacteristic;Soilsampling;Soilscience;Soilsurveys;Soils
【摘要】:
【中国标准分类号】:Z50
【国际标准分类号】:13_080_01
【页数】:45P;A4
【正文语种】:其他
【英文标准名称】:StandardPracticefortheMeasurementoftheApparentAttenuationofLongitudinalUltrasonicWavesbyImmersionMethod
【原文标准名称】:浸渍法测量纵向超声波的表面衰减的标准实施规程
【标准号】:ASTME664/E664M-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】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparentattenuation;attenuation;immersionmethod;nondestructiveexamination;ultrasonicexamination;Apparentattenuation;Attenuation;Immersion--ultrasonic;Nondestructiveevaluation(NDE);Ultrasonictesting
【摘要】:Themeasurementofapparentattenuationinmaterialsisusefulinapplicationssuchasthecomparisonofheattreatmentsofdifferentlotsofmaterialortheassessmentofthedegradationofmaterialsduetoenvironment.Severaldifferentmodesofwavevibrationcanbepropagatedinsolids.Thispracticeisconcernedwiththeattenuationassociatedwithlongitudinalwavesintroducedintothespecimenbytheimmersionmethod.Thispracticeallowsforthecomparisonoftheapparentattenuationsofgeometricallysimilarspecimens.Forthedeterminationofapparentattenuation,theproceduresdescribedhereinarevalidonlyformeasurementsinthefarfieldoftheultrasonicbeam.1.1Thispracticedescribesaprocedureformeasuringtheapparentattenuationofultrasoundinmaterialsorcomponentswithflat,parallelsurfacesusingconventionalpulse-echoultrasonicflawdetectionequipmentinwhichreflectedindicationsaredisplayedinanA-scanpresentation.1.2Themeasurementprocedureisreadilyadaptableforthedeterminationofrelativeattenuationbetweenmaterials.Forabsolute(true)attenuationmeasurements,indicativeoftheintrinsicnatureofthematerial,itisnecessarytocorrectforspecimengeometry,soundbeamdivergence,instrumentation,andproceduraleffects.Theseresultscanbeobtainedwithmorespecializedultrasonicequipmentandtechniques.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:3P.;A4
【正文语种】:英语