【英文标准名称】:SpecificationforLinePipe
【原文标准名称】:管线规范
【标准号】:ANSI/APISPEC5L44THEDITION-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:化学分析和测试;化学成分;合格;定义;交货条件;名称与符号;尺寸公差;尺寸;燃气管道;工业;制造;作标记;材料规范;机械特性;机械测试;矿物油;天然气;无损检验;输油管道;石油;管;管道工程系统;压力试验;生产;特性;采购;无缝的;钢管;钢;测试;试验;焊接
【英文主题词】:Chemicalanalysisandtesting;Chemicalcomposition;Conformity;Definition;Definitions;Deliveryconditions;Designations;Dimensionaltolerances;Dimensions;Gaspipelines;Industries;Manufacturing;Marking;Materialsspecification;Mechanicalproperties;Mechanicaltesting;Mineraloils;Naturalgas;Non-destructivetesting;Oilpipelines;Petroleum;Pipeworksystems;Pressuretests;Production;Properties;Purchasing;Steelpipes;Steels;Testing;Welding
【摘要】:ThisInternationalStandardspecifiesrequirementsforthemanufactureoftwoproductspecificationlevels(PSL1andPSL2)ofseamlessandweldedsteelpipesforuseinpipelinetransportationsystemsinthepetroleumandnaturalgasindustries.ThisInternationalStandardisnotapplicabletocastpipe.
【中国标准分类号】:E98
【国际标准分类号】:23_040_01
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforMeasuringColorimetricCharacteristicsofRetroreflectorsUnderNighttimeConditions
【原文标准名称】:测量夜间条件下反射镜比色性能的标准实施规范
【标准号】:ASTME811-1995(2001)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:(Practice)
【标准水平】:()
【中文主题词】:小型反光器(车辆);特性;测量技术;比色的;实验室器皿;试验;反射
【英文主题词】:chromaticity;retroreflector
【摘要】:Thispracticedescribesaprocedureformeasuringthecolorappearanceofretroreflectorsasseenundernighttimeconditionsofilluminationandviewing.CIEStandardSourceAhasbeenchosentorepresentatungstenautomobileheadlamp.Althoughthegeometrymustbespecifiedbytheuserofthispractice,itwill,ingeneral,correspondtotherelationshipbetweenthevehicleheadlamp,theretroreflector,andthevehicledriver’eyes.Thus,thechromaticitycoordinatesdeterminedbytheproceduresinthispracticedescribenumericallythenighttimeappearanceoftheretroreflector.51.1Thispracticedescribestheinstrumentaldeterminationofretroreflectedchromaticitycoordinatesofretro-reflectors.Itincludesthetechniquesusedinaphotometricrangetomeasureretroreflected(nighttime)chromaticitywitheitheratelecolorimeterortelespectroradiometer.1.2Thispracticecoversthegeneralmeasurementprocedures.AdditionalrequirementsforspecifictestsandspecificationsaredescribedinSection7.1.3ThedescriptionofthegeometryusedinthenighttimecolorimetryofretroreflectorsisdescribedinPracticeE808andthemethodsforcalculationofchromaticityarecontainedinTestMethodE308.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N30
【国际标准分类号】:93_080_30
【页数】:7P.;A4
【正文语种】: