NF X11-685-1983 相对离心轴静止的液体中离心沉降颗粒分析
作者:标准资料网 时间:2024-05-15 12:37:49 浏览:9083
来源:标准资料网
【英文标准名称】:
【原文标准名称】:相对离心轴静止的液体中离心沉降颗粒分析
【标准号】:NFX11-685-1983
【标准状态】:现行
【国别】:法国
【发布日期】:1983-08-01
【实施或试行日期】:
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:法语
Product Code:SAE ARP876
Title:Gas Turbine Jet Exhaust Noise Prediction
Issuing Committee:A-21 Aircraft Noise Measure Noise Aviation Emission Modeling
Scope:ARP876 is intended to provide specific recommended procedures for the prediction of gas turbine jet exhaust system noise sources. Procedures are issued as separate Sections, to allow for future updating as additional methods, consistent with state-of-the-art, become available.【英文标准名称】:Cigarettes-Sampling
【原文标准名称】:烟草.取样
【标准号】:BSISO8243-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:卷烟;冷凝物;冷凝;定义;含量测定;烟碱;取样;抽样方法;抽样表;取标样;烟的组合;统计方法分析;烟草;烟草制品
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiestwomethodsofprovidingrepresentativesamplesofapopulationofcigarettesmanufacturedforsale.Differentproceduresarespecified(seeTable1)accordingtowhethersamplingisundertakenatthepointofsaleoratafactory.a)Sampling"atonepointintime"providesforappraisalofthechosenpropertiesofthecigarettesonthatoccasion.Samplingiscarriedoutwithinasshortaperiodaspossible.b)Sampling"overaperiodoftime"providesforon-goingappraisals.Itcanbeconsideredforpracticalpurposesasaseriesofsampleseachtaken"atonepointintime".Table1—SamplingpossibilitiesSamplingmodeSamplingproceduresAtonetimeOveraperiod(instantaneous)(continuous)AAtpointofsaleSubclause4.1aBAtafactorySubclause4.2Clause5aProcedureAoveraperiodoftimeispossiblebutisnotspecifiedinthisInternationalStandard.ThisInternationalStandardprovidesinformationonthestatisticalbasisforthetreatmentofdataandgivesestimates,basedonpracticalexperience,ofthetypicalconfidenceintervalsforNFDPM,nicotineandCOyieldswhichmaybefoundwhenaproductissampledinaccordancewiththisInternationalStandardandsmokedinaccordancewiththeproceduresspecifiedinISO3308,ISO3402,ISO4387,ISO8454,ISO10315,ISO10362-1andISO10362-2.
【中国标准分类号】:X86
【国际标准分类号】:65_160
【页数】:20P;A4
【正文语种】:英语