ANSI/ABMA 19.1-1987 米制设计的径向锥形滚柱轴承
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来源:标准资料网
【英文标准名称】:TaperedRollerBearings-Radial,MetricDesign
【原文标准名称】:米制设计的径向锥形滚柱轴承
【标准号】:ANSI/ABMA19.1-1987
【标准状态】:作废
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:滚珠轴承;轴承;设计;米制的;精密度;径向;滚柱轴承;滚柱;滚动轴承;锥形;锥形滚柱轴承
【英文主题词】:Ballbearings;Bearings;Design;Metric;Precision;Radial;Rollerbearings;Rollers;Rollingbearings;Tapered;Tapered-rollerbearings
【摘要】:Coversmetricdesignradialtaperedrollerbearingsofvarioustypes,partnumberingsystems,boundarydimensions,tolerances,andfittingpractices.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:
【正文语种】:英语
【英文标准名称】:DetailSpecificationforRotarySwitchesofCertifiedQuality(LowCurrentRating)12PositionsMaximum
【原文标准名称】:质量认证的(低额定电流)最大12位旋转式开关详细规范
【标准号】:ANSI/EIA-520FAAA-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:旋转式开关;规范;开关;电子工程
【英文主题词】:Certification;Currentratings;Currents;Detailspecification;Electronicengineering;Electronicproducts;Position;Quality;Rating;Rotaryswitches;Specification;Switches
【摘要】:
【中国标准分类号】:L22
【国际标准分类号】:31_220_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTraceCarbonylSulfideinPropylenebyGasChromatography
【原文标准名称】:气相色谱法丙烯中微量硫化碳的标准试验方法
【标准号】:ASTMD5303-1992(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【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.D0.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:carbonylsulfide;flamephotometricdetector;gaschromatography;propylene;Carbonylsulfide(COS);Flamephotometricdetectors(FPD);Gaschromatography(GC)--petroleumproducts;Photometry;Propylene;Tracecarbonylsulfide(COS);Traceelements--petro
【摘要】:Inprocessesproducingpropylene,COSusuallyremainswiththeC3hydrocarbonsandmustberemoved,sinceitaffectsproductquality.COSactsasapoisontocommercialpolymerizationcatalysts,resultingindeactivationandcostlyprocessdowntime.AccurategaschromatographicdeterminationoftraceCOSinpropyleneinvolvesuniqueanalyticalproblemsbecauseofthechemicalnatureofCOSandidiosyncraciesoftracelevelanalyses.TheseproblemsresultfromthereactiveandabsorptivenatureofCOS,thelowconcentrationlevelsbeingmeasured,thetypeofdetectorneeded,andtheinterferencesfromthepropylenesamplematrix.Thistestmethodaddressestheseanalyticalproblemsandwaystoproperlyhandlethemtoassureaccurateandpreciseanalyses.ThistestmethodprovidesabasisforagreementbetweentwolaboratorieswhenthedeterminationoftraceCOSinpropyleneisimportant.Thetestmethodpermitsseveralcalibrationtechniques.Forbestagreementbetweentwolabs,itisrecommendedthattheyusethesamecalibrationtechnique.1.1Thistestmethodcoversthedeterminationoftracesofcarbonylsulfide(COS)inpropylene.ItisapplicabletoCOSconcentrationsfrom0.5to4.0mg/kg(partspermillionbymass).SeeNote1.Note18212;Thelowerlimitofthistestmethodisbelievedtobebelow0.1mg/kg,dependingonsamplesizeandsensitivityoftheinstrumentationbeingused.However,thecooperativetestingprogramwasconductedinthe0.5to4.0rangeduetolimitationsinpreparingcommercialtestmixtures.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.
【中国标准分类号】:G16
【国际标准分类号】:71_080_10
【页数】:6P.;A4
【正文语种】:英语
