【英文标准名称】:UncoatedStress-RelievedSteelWireforPrestressedConcrete
【原文标准名称】:预应力混凝土用无涂层应力消除钢丝
【标准号】:ASTMA421-1991
【标准状态】:作废
【国别】:美国
【发布日期】:1991
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:结构钢;钢;预应力混凝土;金属线;应力消除
【英文主题词】:stressrelieving;steels;prestressedconcrete;structuralsteels;wires
【摘要】:
【中国标准分类号】:H49
【国际标准分类号】:77_140_10;77_140_70
【页数】:3P;A4
【正文语种】:英语
基本信息
标准名称: | 进出口玩具检验规程 第5部分:机械玩具 |
英文名称: | Rules for the inspection of toys for import and export—Part 5:Mechanical toys |
发布部门: | 国家质量监督检验检疫总局 |
发布日期: | 2010-11-01 |
实施日期: | 2011-05-01 |
首发日期: | |
作废日期: | |
起草单位: | 国家认证认可监督管理委员会 |
出版社: | 中国标准出版社 |
出版日期: | 2011-05-01 |
页数: | 16页 |
适用范围
SN/T 2438的本部分规定了进出口机械玩具的抽样、检验和检验结果判定的规则。
本部分适用于进出口机械玩具的检验。
前言
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目录
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引用标准
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所属分类: 医药 卫生 劳动保护 卫生 卫生检疫
【英文标准名称】:StandardTestMethodforEstimationofEngineOilVolatilitybyCapillaryGasChromatography
【原文标准名称】:用毛细管气相色谱法评定发动机油挥发性的标准试验方法
【标准号】:ASTMD6417-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.04.0H
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:boilingrangedistribution;engineoil,volatility;gaschromatography;lubricants;petroleum;simulateddistillation;volatility;Automotiveenginefuels/oils;Boilingrangedistribution;Capillarygaschromatography;Gaschromatography(GC)--petroleum
【摘要】:Thedeterminationofengineoilvolatilityat371x00B0;C(700x00B0;F)isarequirementinsomelubricantspecifications.ThistestmethodisintendedasanalternativetoTestMethodsD5800andtheNoackmethodforthedeterminationofengineoilvolatility(CECL-40x2013;93).ThedataobtainedfromthistestmethodarenotdirectlyequivalenttoTestMethodD5800.Thecalculatedresultsoftheoilvolatilityestimationbythistestmethodcanbebiasedbythepresenceofadditives(polymericmaterials),whichmaynotcompletelyelutefromthegaschromatographiccolumn,orbyheavierbaseoilsnotcompletelyelutingfromthecolumn.Theresultsofthistestmethodmayalsonotcorrelatewithotheroilvolatilitymethodsfornonhydrocarbonsyntheticoils.Thistestmethodcanbeusedonlubricantproductsnotwithinthescopeofothertestmethodsusingsimulateddistillationmethodologies,suchasTestMethodD2887.1.1Thistestmethodcoversanestimationoftheamountofengineoilvolatilizedat371x00B0;C(700x00B0;F).1.1.1Thistestmethodcanalsobeusedtoestimatetheamountofoilvolatilizedatanytemperaturebetween126and371x00B0;C,ifsodesired.1.2Thistestmethodislimitedtosampleshavinganinitialboilingpoint(IBP)greaterthan126x00B0;C(259x00B0;F)orthefirstcalibrationpointandtosamplescontaininglubricantbaseoilswithendpointslessthan615x00B0;C(1139x00B0;F)orthelastn-paraffinsinthecalibrationmixture.Byusingsomeinstrumentsandcolumns,itispossibletoextendtheusefulrangeofthetestmethod.1.3Thistestmethodusestheprinciplesofsimulateddistillationmethodology.1.4Thistestmethodmaybeappliedtobothlubricantoilbasestocksandfinishedlubricantscontainingadditivepackages.Theseadditivepackagesgenerallycontainhighmolecularweight,nonvolatilecomponentsthatdonotelutefromthechromatographiccolumnunderthetestconditions.Thecalculationprocedureusedinthistestmethodassumesthatallofthesampleelutesfromthecolumnandisdetectedwithuniformresponse.Thisassumptionisnottrueforsampleswithnonvolatileadditives,andapplicationofthistestmethodundersuchconditionswillyieldresultshigherthanexpected.Forthisreason,resultsbythistestmethodarereportedasareapercentofoil.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsareprovidedforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:9P.;A4
【正文语种】:英语