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BS EN ISO 20988-2007 空气质量.评定测量不确定度指南

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【英文标准名称】:Airquality-Guidelinesforestimatingmeasurementuncertainty
【原文标准名称】:空气质量.评定测量不确定度指南
【标准号】:BSENISO20988-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:空气污染;空气质量;评估;定义;漂移;数学计算;测量不确定度;测量技术;方法;计量学;性能测试;污染控制;静态的;测试
【英文主题词】:Airpollution;Airquality;Assessment;Definitions;Drift;Mathematicalcalculations;Measuringincertainity;Measuringtechniques;Methods;Metrology;Performancetesting;Pollutioncontrol;Static;Testing
【摘要】:ThisInternationalStandardprovidescomprehensiveguidanceandspecificstatisticalproceduresforuncertaintyestimationinairqualitymeasurementsincludingmeasurementsofambientair,stationarysourceemissions,indoorair,workplaceatmospheresandmeteorology.ItappliesthegeneralrecommendationsoftheGuidetotheExpressionofUncertaintyinMeasurement(GUM)toboundaryconditionsmetinairqualitymeasurement.Theboundaryconditionsconsideredincludemeasurandsvaryingrapidlyintime,aswellasthepresenceofbiasinaseriesofobservationsobtainedunderconditionsofintendeduseofmethodsofairqualitymeasurement.Themethodsofmeasurementconsideredcomprise-methodscorrectedforsystematiceffectsbyrepeatedobservationofreferencematerials,-methodscalibratedbypairedmeasurementwithareferencemethod,-methodsnotcorrectedforsystematiceffectsbecausetheyareunbiasedbydesign,and-methodsnotcorrectedforsystematiceffectsinintendedusedeliberatelytakingintoaccountabias.Experimentaldataforuncertaintyestimationcanbeprovidedeitherbyasingleexperimentaldesigninadirectapproachorbyacombinationofdifferentexperimentaldesignsinanindirectapproach.
【中国标准分类号】:Z11
【国际标准分类号】:13_040_01
【页数】:92P.;A4
【正文语种】:英语


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Product Code:SAE AMS5688
Title:Steel, Corrosion-Resistant, Wire, 18Cr - 9.0Ni (SAE 30302), Spring Temper
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion-resistant steel in the form of wire.【英文标准名称】:Surfaceplates;part1:castiron
【原文标准名称】:平板第1部分:铸铁
【标准号】:ISO8512-1-1990
【标准状态】:现行
【国别】:国际
【发布日期】:1990-12
【实施或试行日期】:1990-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC3
【标准类型】:()
【标准水平】:()
【中文主题词】:铸铁;规范;测量仪器;划线平板;尺寸;作标记;试样;尺寸测量;试验
【英文主题词】:Cast-iron;Dimensionalmeasurement;Dimensions;Marking;Measuringinstruments;Specifications;Surfaceplates;Testspecimens;Testing;Tests
【摘要】:Specifiesrequirementsforrectangularorsquarecastironsurfaceplatesrangingfrom160mmx100mmto2500mmx1600mm,aspreferredsizes,infourgradesofaccuracy0,1,2and3.
【中国标准分类号】:J42
【国际标准分类号】:17_040_30
【页数】:11P;A4
【正文语种】:英语