【英文标准名称】:Environmentaltesting-Part2-27:Tests-TestEaandguidance:Shock(IEC60068-2-27:2008);GermanversionEN60068-2-27:2009
【原文标准名称】:基本环境试验规程.第2-27部分:试验.试验Ea和导则:冲击.德文版本EN60068-2-27-2009
【标准号】:DINEN60068-2-27-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-02
【实施或试行日期】:2010-02-01
【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】:加速度;保用期服务;组件;定义;动态试验;电连接;电气工程;电学;环境;环境测试;指导手册;冲击测试;材料测试;测量;测量技术;机械测试;温湿度预调节;准备;震动;冲击试验;规范(验收);活页规范;应力;测试;测试装置
【英文主题词】:Acceleration;Aftercare;Components;Definitions;Dynamictesting;Electricconnection;Electricalengineering;Electricity;Environment;Environmentaltesting;Guidebooks;Impacttests;Materialstesting;Measurement;Measuringtechniques;Mechanicaltesting;Preconditioning;Preparation;Shock;Shocktests;Specification(approval);Specificationsheets;Stress;Testing;Testingdevices
【摘要】:ThispartofIEC60068providesastandardprocedurefordeterminingtheabilityofaspecimentowithstandspecifiedseveritiesofnon-repetitiveorrepetitiveshocks.
【中国标准分类号】:K04
【国际标准分类号】:19_040
【页数】:39P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforMeasurementofDaytimeChromaticityofPavementMarkingMaterialsUsingaPortableReflectionColorimeter
【原文标准名称】:用便携式反射比色计测量路面标记材料的日间色度的标准试验方法
【标准号】:ASTME2366-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E12.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:比色法;交通管制;试验;便携的;计量学;标记材料;白昼;路面;道路;反射;光度测量法(光测量);测量;色度
【英文主题词】:chromaticity;pavement;pavementmarkings;portablereflectioncolorimeters;reflection
【摘要】:ThechromaticityofthestripeisdeterminedbymeansofthetristimulusvaluesX,YandZfortheCIE1931(2x00B0;)standardobserverforCIEStandardIlluminantD65,whichareconvertedtothechromaticitycoordinates(x,y)andshownintheCIE1931(x,y)-chromaticitydiagram.RefertoPracticeE308.Underthesameconditionsofilluminationandviewing,thechromaticitycoordinates(x,y)representthedaytimecolorofpavementmarkingsindaylightilluminationasseenbydriversofthevehicles.Thechromaticityofpavement(road)markingsmaychangewithtrafficwearandrequireperiodicmeasurementtoensurethatthechromaticityismaintainedwithinboundaries(seeSpecificationD6628forexamplesofcolorboundaries).AsspecifiedbyCEN,themeasurementgeometryoftheinstrumentisbasedonaviewingdistanceof30mandaneyeheightof1.2m.Itshallbetheresponsibilityoftheusertoemployaninstrumenthavingthespecifiedilluminationandco-viewingangle.1.1Thistestmethodcoversmeasurementofthedaytimechromaticitycoordinates(x,y)ofhorizontalpavementmarkings,suchastrafficstripesandsurfacesymbols,andpavementsurfacesunderdiffuseillumination,usingaportablereflectioncolorimeterthatcanbeplacedonthesurfacetomeasurethechromaticityinaparticularviewingdirection.1.2Theco-viewingangleofthereflectioncolorimeteraffectsthereadings.AsspecifiedbytheEuropeanCommitteeforStandardization(CENEN1436),theco-viewingangleshallbe2.29.1.3Thistestmethodisintendedtobeusedforfieldmeasurementofpavementmarkingsbutmaybeusedtomeasurethechromaticityandtheluminancecoefficientunderdiffuseilluminationofmaterialsonsamplepanelsbeforeplacingthemarkingmaterialinthefield.1.4TheportablereflectioncolorimetermayintegratemeasurementoftheluminancecoefficientunderdiffuseilluminationQdaccordingtoTestMethodE2302andthusbeanintegratedreflectometer/reflectioncolorimeter.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P66
【国际标准分类号】:17_180_20;93_080_30
【页数】:4P.;A4
【正文语种】: