【英文标准名称】:StandardTestMethodforSieveAnalysisofPetroleumCoke
【原文标准名称】:焦油的筛析的标准试验方法
【标准号】:ASTMD5709-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石油产品;试验;粒子分析;筛析
【英文主题词】:calcinedpetroleumcoke;greenpetroleumcoke;particlesizeanalysis;screening;sieve
【摘要】:Thetestmethodconcernsthesievingofcokeintodesignatedsizefractionsforthepurposeofcharacterizingthematerialastoitsparticlesizedistribution.Itrequirestheuseofstandardsieves,standardsamplingmethods,standardsamplepreparationmethods,andaminimuminitialsamplemassbasedonlottopsize.Suggestionsaregivenforindustrytypicalsievestacksforbothgreenandcalcinedpetroleumcoke.Particlesizedistributionissignificantinthatmanyphysicalcharacteristicsofacokearerelatedtosuchadistributionincludingbulkdensityandsurfacearea.Nuisancecharacteristics,suchasexcessivefinesinalot,canalsobecontrolled.Resultsfromthistestmethodareusefulindeterminingwhetheracokelotmeetspurchasespecifications,forclassificationpurposes,andforqualitycontrol.Theresultsofthistestmethodcanalsobeusedtopredicttheperformanceofaparticularlotofcokeinaprocess.1.1Thistestmethoddetailsaprocedureforperformingparticlesizedistributionanalysisbydrysievetestingongreenpetroleumcokewithatopsizeofnomorethan75mmandcalcinedpetroleumcokewithatopsizeofnomorethan25mm.Sizefractionsgodowntoandinclude4.75mmforgreenpetroleumcokeand75mforcalcinedpetroleumcoke.Note18212;Toconvertunits,seeTable1onnominaldimensionsinSpecificationE11.Forexample,75mmisapproximatelyequivalenttoanominalsieveopeningof3in.and25mmtoanominalsieveopeningof1in.Likewise,4.75mmcanbeconvertedtoapproximately0.187in.and75micronsto0.0029in.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.ThesievesizeisreportedasU.S.A.standardtestseriesinanyunitslistedinTable1onnominaldimensionsofSpecificationE11,ortheircommercialsizeequivalents.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E44
【国际标准分类号】:75_160_10
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Prismbinoculars
【原文标准名称】:棱镜式双筒望远镜
【标准号】:JISB7121-1993
【标准状态】:作废
【国别】:日本
【发布日期】:1993-04-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonTestingandMeasurementTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:双筒望远镜;棱镜
【英文主题词】:binoculars;prisms(optical)
【摘要】:
【中国标准分类号】:N31
【国际标准分类号】:37_020
【页数】:16P;A4
【正文语种】:日语