【英文标准名称】:Copperandcopperalloys-Drawn,roundcopperwireforthemanufactureofelectricalconductors.
【原文标准名称】:铜和铜合金.电导体生产用拉制圆铜丝
【标准号】:NFA51-309-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-08-01
【实施或试行日期】:2002-08-05
【发布单位】:法国标准化协会(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】:H62
【国际标准分类号】:77_150_30
【页数】:24P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforConversionofKinematicViscositytoSayboltUniversalViscosityortoSayboltFurolViscosity
【原文标准名称】:运动粘度换算成塞波特通用粘度或塞波特重油粘度的标准实施规程
【标准号】:ASTMD2161-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D02.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:粘度;测量技术;润滑剂;石油产品;绝缘液体;电气工程;换算(计量单位);电绝缘;数学计算;运动粘度;工艺
【英文主题词】:kinematicviscosity;Sayboltfurol;Syaboltuniversal;
【摘要】:AtonetimethepetroleumindustryreliedonmeasuringkinematicviscositybymeansoftheSayboltviscometer,andexpressingkinematicviscosityinunitsofSayboltUniversalSeconds(SUS)andSayboltFurolSeconds(SFS).Thispracticeisnowobsoleteinthepetroleumindustry.ThispracticeestablishestheofficialequationsrelatingSUSandSFStotheSIkinematicviscosityunits,mm2/s.ThispracticeallowsfortheconversionbetweenSUSandSFSunitsandSIunitsofkinematicviscosity.1.1Thispracticecoverstheconversiontablesandequationsforconvertingkinematicviscosityinmm2/satanytemperaturetoSayboltUniversalviscosityinSayboltUniversalseconds(SUS)atthesametemperatureandforconvertingkinematicviscosityinmm2/sat122and210176;F(50and98.9176;C)toSayboltFurolviscosityinSayboltFurolseconds(SFS)atthesametemperatures.Kinematicviscosityvaluesarebasedonwaterbeing1.0034mm2/s(cSt)at68176;F(20176;C).Note1AfundamentalandpreferredmethodformeasuringkinematicviscosityisbyuseofkinematicviscometersasoutlinedinTestMethodD445.Itisrecommendedthatkinematicviscositybereportedinmillimetressquaredpersecond,insteadofSayboltUniversalSeconds(SUS)orSayboltFurolSeconds(SFS).ThismethodisbeingretainedforthepurposeofcalculationofkinematicviscositiesfromSUSandSFSdatathatappearinpastliterature.Onemillimetresquaredpersecond(mm2/s)equalsonecentistoke(cSt),whichisanotherunitcommonlyfoundinolderliterature.1.2TheSIunitofkinematicviscosity,mm2/s,andtemperatureindegreesFahrenheitarethestandardinthispractice.
【中国标准分类号】:A42
【国际标准分类号】:17_060;17_060
【页数】:26P.;A4
【正文语种】: