SAE J2139 Test for Signal and Marking Devices Used on Vehicles 2032 mm or More in Overall Width
作者:标准资料网 时间:2024-05-05 02:49:54 浏览:9411
来源:标准资料网
Product Code:SAE J2139
Title:Test for Signal and Marking Devices Used on Vehicles 2032 mm or More in Overall Width
Issuing Committee:Heavy Duty Lighting Standards Committee
Scope:This SAE Recommended Practice provides standardized laboratory tests, test methods, and performance requirements applicable to signal and marking devices used on vehicles 2032 mm or more in overall width.
【英文标准名称】:Nomenclatureforoilseeds
【原文标准名称】:油料种子的命名
【标准号】:BS6406-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-01-15
【实施或试行日期】:1993-01-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:种子(植物);术语;油;植物脂肪;食品;植物油;植物;食品提取物;植物学;脂肪
【英文主题词】:vegetablefats;terminology;oils;plants;vegetableoils;foodproducts;botany;seeds(plants);foodextracts;fats
【摘要】:
【中国标准分类号】:B21
【国际标准分类号】:01_040_67;67_200_20
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforComparingGround-WaterFlowModelSimulationstoSite-SpecificInformation
【原文标准名称】:地下水流型模拟与现场信息比较的标准导则
【标准号】:ASTMD5490-1993(2002)
【标准状态】:现行
【国别】:
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:地下水;校准;土壤;位置;含水土层;现场对比;比较技术;地下水流动方式模拟物;水文应力情况;模型制造;岩石分析仪表设备;散布图;模型;导则
【英文主题词】:calibration;computer;groundwater;modeling;
【摘要】:Duringtheprocessofcalibrationofaground-waterflowmodel,eachsimulationiscomparedtosite-specificinformationtoascertainthesuccessofpreviouscalibrationeffortsandtoidentifypotentiallybeneficialdirectionsforfurthercalibrationefforts.Proceduresdescribedhereinprovideguidanceformakingcomparisonsbetweenground-waterflowmodelsimulationsandmeasuredfielddata.Thisguideisnotmeanttobeaninflexibledescriptionoftechniquescomparingsimulationswithmeasureddata;othertechniquesmaybeappliedasappropriateand,afterdueconsideration,someofthetechniqueshereinmaybeomitted,altered,orenhanced.1.1Thisguidecoverstechniquesthatshouldbeusedtocomparetheresultsofground-waterflowmodelsimulationstomeasuredfielddataasapartoftheprocessofcalibratingaground-watermodel.Thiscomparisonproducesquantitativeandqualitativemeasuresofthedegreeofcorrespondencebetweenthesimulationandsite-specificinformationrelatedtothephysicalhydrogeologicsystem.1.2Duringtheprocessofcalibrationofaground-waterflowmodel,eachsimulationiscomparedtosite-specificinformationsuchasmeasuredwaterlevelsorflowrates.Thedegreeofcorrespondencebetweenthesimulationandthephysicalhydrogeologicsystemcanthenbecomparedtothatforprevioussimulationstoascertainthesuccessofpreviouscalibrationeffortsandtoidentifypotentiallybeneficialdirectionsforfurthercalibrationefforts.1.3Bynecessity,allknowledgeofasiteisderivedfromobservations.Thisguidedoesnotaddresstheadequacyofanysetofobservationsforcharacterizingasite.1.4Thisguidedoesnotestablishcriteriaforsuccessfulcalibration,nordoesitdescribetechniquesforestablishingsuchcriteria,nordoesitdescribetechniquesforachievingsuccessfulcalibration.1.5Thisguideiswrittenforcomparingtheresultsofnumericalground-waterflowmodelswithobservedsite-specificinformation.However,thesetechniquescouldbeappliedtoothertypesofground-waterrelatedmodels,suchasanalyticalmodels,multiphaseflowmodels,noncontinuum(karstorfractureflow)models,ormasstransportmodels.1.6Thisguideisoneofaseriesofguidesonground-watermodelingcodes(software)andtheirapplications.Otherstandardshavebeenpreparedonenvironmentalmodeling,suchasPracticeE978.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.9Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject'smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:P12
【国际标准分类号】:07_060;13_060_10
【页数】:8P.;A4
【正文语种】:
