ANSI/CEA 600.82-1997 CAL上下文描述
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【英文标准名称】:CALContextDescription
【原文标准名称】:CAL上下文描述
【标准号】:ANSI/CEA600.82-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:上下文;面向对象的程序设计;娱乐电子学
【英文主题词】:Contexts;Entertainmentelectronics;Object-orientedprogramming
【摘要】:describesthecontexts,ormainsubsystemswithinadevice,supportedbytheCommonApplicationLanguage(CAL)
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:
【正文语种】:英语
【英文标准名称】:CastIronFittingsforSovent?DrainageSystems
【原文标准名称】:Soventr排水系统用铸铁管件
【标准号】:ANSI/ASMEB16.45-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:铸铁;铸铁管;尺寸规格;排水;排水系统;处理;管联接器;管道配件;规范(验收)
【英文主题词】:Cast-iron;Cast-ironpipe;Dimensions;Drainage;Drainagesystems;Marking;Pipecouplings;Pipefittings;Specification(approval)
【摘要】:Thisstandardforcastirondrainagefittingsusedonself-aerating,one-pipeSoventdrainagesystems,coversthefollowing:description,sizesandmethodsfordesignatingopeningsforreducingfittings,marking,material,pitch,design,dimensionsandtolerances,andtests.
【中国标准分类号】:J15
【国际标准分类号】:23_040_40
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringtheCoefficientofRetroreflectedLuminance(RL)ofPavementMarkingsinaStandardConditionofContinuousWetting
【原文标准名称】:连续浸润标准条件内路面标记反射亮度(R)系数测量的标准试验方法
【标准号】:ASTME2176-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:亮度;作标记;测量;路面;降雨;标准状态;试验方法;湿的
【英文主题词】:continuouswetting;dryretroreflection;mobileretroreflectometers;pavementmarkings;portableretroreflectometer;wetretroreflection
【摘要】:Thequalityofthepavementmarkingisdeterminedbythecoefficientofretroreflectedluminance,RL,beitdryorwet,anddependsonthematerialsused,age,andwearpattern.Theseconditionsshallbeobservedandnotedbytheuser.Underidenticalconditionsofheadlightilluminationanddriver’viewing,largervaluesofRLcorrespondtohigherlevelsofvisualperformanceatcorrespondinggeometry.Thepavementmarking’measuredperformanceinconditionsofcontinuouswettingmaybeusedtocharacterizetheperformanceofthemarkingontheroadaswateriscontinuouslyfallingonitandmayberepresentativetoaperiodofrain.Thisperformanceofthemarkingmaybedifferentthanthatexperiencedwhenthemarkingsarejustwetordamp.Retroreflectivityofpavement(road)markingsdegradeswithtrafficwearandrequiresperiodicmeasurementtoensurethatsufficientlinevisibilityisprovidedtodrivers.ForexampleseeSpecificationD6359fordryreflectivityrequirements.Foragivenviewingdistance,measurementsofRLmadewitharetroreflectometerhavingageometrycorrespondingtothatviewingdistanceareagoodindicatorofthevisualrankingofthematerialmeasured.AsspecifiedbyTestMethodE1710,themeasurementgeometryoftheinstrumentisbasedonaviewingdistanceof30m,aneyeheightof1.2mandaheadlightmountingheightof0.65m(seeAppendixX1).Newlyinstalledpavementmarkingsmayhaveanaturalsurfacetensionorreleaseagentswhichpreventthewettingoutoftheproductbyrain/water.Thisphenomenonproducesaninterferencewhenassessingthewetcharacteristicsofapavementmarking.Attempttomeasuremarkingswiththissurfacex201C;non-wettingx201D;ofthewatermaygivehighervalues.Thisconditionisshortlivedandmarkingsthathavebeenontheroadforonemonthormoredonotexhibitthisnon-wetting.Itshallbetheresponsibilityoftheusertoemployaninstrumenthavingthespecifiedobservationandentranceangles.1.1Thistestmethodcoversthemeasurementofthewetretroreflective(RL)propertiesofhorizontalpavementmarkingmaterials,suchastrafficstripesandroadsurfacesymbols,usingaportableormobileretroreflectometerthatcanbeplacedonorbeforetheroadmarkingtomeasuretheretroreflectionattheprescribedgeometry.1.2Thismethodofmeasuringofthewetretroreflectiveproperties(RL)ofpavementmarkingsutilizesamethodofcontinuouslywettingthemarkingduringmeasurementwiththeretroreflectometer(seeFig1).Note18212TestMethodE2177maybeusedtodescribetheperformanceofpavementmarkingsinconditionsofwetnessafteraperiodofrain.1.3ThistestmethodspecifiestheuseofportableormobilereflectometersthatcanmeasurepavementmarkingsperTestMethodE1710.Theentranceandobservationanglesrequiredoftheretroreflectometerinthistestmethodarecommonlyreferredtoas"30metergeometry."1.4Thistestmethodisintendedtobeusedforfieldmeasurementofpavementmarkingsbutmaybeusedtomeasuretheperformanceofmaterialsonsamplepanelsbeforeplacingthemarkingmaterialinthefield.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:R10
【国际标准分类号】:93_080_20
【页数】:5P.;A4
【正文语种】:
