TB/T 2116.3-1992 铁路货运作业标准 铁路车站零担货物运输作业
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来源:标准资料网
基本信息
标准名称: | 铁路货运作业标准 铁路车站零担货物运输作业 |
中标分类: |
铁路 >>
铁路运输 >>
货运 |
发布日期: | 1992-05-20 |
实施日期: | 1992-11-01 |
首发日期: | |
作废日期: | |
提出单位: | 中华人民共和国铁道部 |
归口单位: | 铁路部标准计量研究所 |
起草单位: | 铁路部运输局 |
起草人: | 姜博文 |
出版社: | 中国铁道出版社 |
出版日期: | 1992-11-01 |
页数: | 23页 |
适用范围
本标准规定了零担货物作业程序、项目、作业内容和质量标准。
本标准适用于铁路办理货物运输业务的特一、特二等站的零担运输发到作业。三、四等站可比执行。
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 铁路运输 货运
【英文标准名称】:StandardTestMethodforEffectofSurfaceGrindingonFlexureStrengthofAdvancedCeramics
【原文标准名称】:测试表面研磨对高级陶瓷抗挠强度的影响的标准试验方法
【标准号】:ASTMC1495-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:高级工业陶瓷;影响;抗弯强度;表面研磨;试验方法
【英文主题词】:surfacegrinding;machining;advancedceramic;flexurestrength;baselineflexurestrength;damagetolerance
【摘要】:Surfacegrindingcancauseasignificantdecrease3intheflexurestrengthofadvancedceramicsmaterials.Themagnitudeofthelossinstrengthisdeterminedbythegrindingconditionsandtheresponseofthematerial.Thistestmethodcanbeusedtoobtainadetailedcharacterizationoftherelationshipbetweengrindingconditionsandflexurestrengthforanadvancedceramicmaterial.Theeffectonflexurestrengthofvaryingasinglegrindingparameterorseveralgrindingparameterscanbemeasured.Themethodmayalsobeusedtocompareandrankdifferentmaterialsaccordingtotheirresponsetooneormoredifferentgrindingconditions.Resultsobtainedbythismethodcanbeusedtodevelopanoptimumgrindingprocesswithrespecttomaximizingmaterialremovalrateforaspecifiedflexurestrengthrequirement.Thetestmethodcanassistinthedevelopmentofimprovedgrinding-damage-tolerantceramicmaterials.Itmayalsobeusedforqualitycontrolpurposestomonitorandassuretheconsistencyofagrindingprocessinthefabricationofpartsfromadvancedceramicmaterials.Thetestmethodisapplicabletogrindingmethodsthatgenerateaplanarsurfaceandisnotdirectlyapplicabletogrindingmethodsthatproducenon-planarsurfacessuchascylindricalandcenterlessgrinding.1.1Thistestmethodcoversthedeterminationoftheeffectofsurfacegrindingontheflexurestrengthofadvancedceramics.Surfacegrindingofanadvancedceramicmaterialcanintroducemicrocracksandotherchangesinthenearsurfacelayer,generallyreferredtoasdamage(See).Suchdamagecanresultinachange-mostoftenadecrease-inflexurestrengthofthematerial.Thedegreeofchangeinflexurestrengthisdeterminedbyboththegrindingprocessandtheresponsecharacteristicsofthespecificceramicmaterial.Thismethodcomparestheflexurestrengthofanadvancedceramicmaterialafterapplicationofauser-specifiedsurfacegrindingprocesswiththebaselineflexurestrengthofthesamematerial.Thebaselineflexurestrengthisobtainedafterapplicationofasurfacegrindingprocessspecifiedinthisstandard.Thebaselineflexurestrengthisexpectedtoapproximatecloselytheinherentstrengthofthematerial.TheflexurestrengthismeasuredbymeansofASTMstandardflexuretestmethods.1.2FlexuretestmethodsusedtodeterminetheeffectofsurfacegrindingareC1161TestMethodforFlexureStrengthofAdvancedCeramicsatAmbientTemperaturesandC1211TestMethodforFlexureStrengthofAdvancedCeramicsatElevatedTemperatures.1.3MaterialscoveredinthisstandardarethoseadvancedceramicsthatmeetcriteriaspecifiedinflexuretestingstandardsC1161andC1211.1.4Theflexuretestmethodssupportingthisstandard(C1161andC1211)requirespecimensthathavearectangularcrosssection,flatsurfaces,andthatarefabricatedwithspecificdimensionsandtolerances.Onlygrindingprocessesthatarecapableofgeneratingthespecifiedflatsurfaces,i.e.planargrindingmodes,aresuitableforevaluationbythismethod.Amongtheapplicablemachinetypesarehorizontalandverticalspindlereciprocatingsurfacegrinders,horizontalandverticalspindlerotarysurfacegrinders,doublediskgrinders,andtool-and-cuttergrinders.Incrementalcross-feed,plunge,andcreep-feedgrindingmethodsmaybeused.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:Long-termradiationageinginpolymers-Part3:Proceduresforin-servicemonitoringoflow-voltagecablematerials
【原文标准名称】:高聚物长期辐射老化第3部分:低压电缆材料在线监测规程
【标准号】:IEC/TR261244-3-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC112
【标准类型】:()
【标准水平】:()
【中文主题词】:耐辐射性;电绝缘材料;聚合物;低压电缆;试验;绝缘材料;电气工程;老化试验
【英文主题词】:testing;insulatingmaterials;ageingtests;electricalinsulatingmaterials;radiationresistance;electricalengineering;polymerisates;low-tensioncables
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:29_035_20
【页数】:77P;A4
【正文语种】:英语