TB/T 2781-2008 机车、动车用柴油机弹性阻尼簧片联轴节技术条件
时间:2024-05-29 05:12:23 来源: 标准资料网 作者:标准资料网 阅读:9505
基本信息
标准名称: | 机车、动车用柴油机弹性阻尼簧片联轴节技术条件 |
中标分类: |
铁路 >>
机车 >>
内燃机车 |
ICS分类: |
铁路工程 >>
铁路车辆 >>
机车
|
替代情况: | 替代TB/T 2781-1997 |
发布部门: | 中华人民共和国铁道部 |
发布日期: | 2008-10-14 |
实施日期: | 2009-03-01 |
首发日期: | |
作废日期: | |
出版社: | 中国铁道出版社 |
出版日期: | 2009-03-01 |
页数: | 9 |
适用范围
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前言
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目录
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引用标准
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所属分类: 铁路 机车 内燃机车 铁路工程 铁路车辆 机车
【英文标准名称】:StandardPracticeforCollectionofSettledDustSamplesUsingWipeSamplingMethodsforSubsequentLeadDetermination
【原文标准名称】:连续铅含量测定的擦拭取样法用积尘样品收集的标准实施规范
【标准号】:ASTME1728-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:集尘;现场试验;铅含量
【英文主题词】:Dustresidue;Fieldtesting;Leadcontent;Soils
【摘要】:
【中国标准分类号】:Z15
【国际标准分类号】:13_080_05
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforRamsbottomCarbonResidueofPetroleumProducts
【原文标准名称】:石油产品的兰氏残炭标准试验方法
【标准号】:ASTMD524-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:残炭;石油产品;兰氏;残渣-石油产品;燃油燃烧器;残炭(石油产品);生焦特性;燃料油;高温分解;兰氏残炭
【英文主题词】:carbonresidue;petroleumproducts;Ramsbottom;Residue--petroleumproducts;Burnerfueloils;Carbonresidue(petroleumproducts);Coke-formingpropensities;Fueloils;Pyrolysis;Ramsbottomcarbonresidue
【摘要】:Thecarbonresiduevalueofburnerfuelservesasaroughapproximationofthetendencyofthefueltoformdepositsinvaporizingpot-typeandsleeve-typeburners.Similarly,providedalkylnitratesareabsent(orifpresent,providedthetestisperformedonthebasefuelwithoutadditive)thecarbonresidueofdieselfuelcorrelatesapproximatelywithcombustionchamberdeposits.Thecarbonresiduevalueofmotoroil,whileatonetimeregardedasindicativeoftheamountofcarbonaceousdepositsamotoroilwouldforminthecombustionchamberofanengine,isnowconsideredtobeofdoubtfulsignificanceduetothepresenceofadditivesinmanyoils.Forexample,anash-formingdetergentadditivecanincreasethecarbonresiduevalueofanoilyetwillgenerallyreduceitstendencytoformdeposits.Thecarbonresiduevalueofgasoilisusefulasaguideinthemanufactureofgasfromgasoil,whilecarbonresiduevaluesofcrudeoilresiduum,cylinderandbrightstocks,areusefulinthemanufactureoflubricants.1.1Thistestmethodcoversthedeterminationoftheamountofcarbonresidue(Note1)leftafterevaporationandpyrolysisofanoil,anditisintendedtoprovidesomeindicationofrelativecoke-formingpropensity.Thistestmethodisgenerallyapplicabletorelativelynonvolatilepetroleumproductswhichpartiallydecomposeondistillationatatmosphericpressure.Thistestmethodalsocoversthedeterminationofcarbonresidueon10%(V/V)distillationresidues(seeSection10).Petroleumproductscontainingash-formingconstituentsasdeterminedbyTestMethodD482,willhaveanerroneouslyhighcarbonresidue,dependingupontheamountofashformed(Notes2and3).Note18212;Thetermcarbonresidueisusedthroughoutthistestmethodtodesignatethecarbonaceousresidueformedduringevaporationandpyrolysisofapetroleumproduct.Theresidueisnotcomposedentirelyofcarbon,butisacokewhichcanbefurtherchangedbypyrolysis.Thetermcarbonresidueiscontinuedinthistestmethodonlyindeferencetoitswidecommonusage.Note28212;ValuesobtainedbythistestmethodarenotnumericallythesameasthoseobtainedbyTestMethodD189,orTestMethodD4530.Approximatecorrelationshavebeenderived(seeFig.X2.1)butneednotapplytoallmaterialswhichcanbetestedbecausethecarbonresiduetestisapplicabletoawidevarietyofpetroleumproducts.TheRamsbottomCarbonResiduetestmethodislimitedtothosesamplesthataremobilebelow90x00B0;C.Note38212;Indieselfuel,thepresenceofalkylnitratessuchasamylnitrate,hexylnitrate,oroctylnitrate,causesahighercarbonresiduevaluethanobservedinuntreatedfuel,whichcanleadtoerroneousconclusionsastothecoke-formingpropensityofthefuel.ThepresenceofalkylnitrateinthefuelcanbedetectedbyTestMethodD4046.Note48212;ThetestprocedureinSection10isbeingmodifiedtoallowtheuseofa100x2013;mLvolumeautomateddistillationapparatus.Noprecisiondataisavailablefortheprocedureatthistime,butaroundrobinisbeingplannedtodevelopprecisiondata.The250x2013;mL......
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:9P.;A4
【正文语种】: