JIS L1902 ERRATUM 1-2008 勘误表

时间:2022-09-26 02:15:52 来源: 标准资料网 作者:标准资料网 阅读:9675
下载地址: 点击此处下载
【英文标准名称】:ERRATUM
【原文标准名称】:勘误表
【标准号】:JISL1902ERRATUM1-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-12-15
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【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】:W04
【国际标准分类号】:
【页数】:1P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodsforApparentPorosity,LiquidAbsorption,ApparentSpecificGravity,andBulkDensityofRefractoryShapesbyVacuumPressure
【原文标准名称】:用真空压力法测定成型耐火材料表观空隙率,吸水性,表观比重和体密度的标准试验方法
【标准号】:ASTMC830-2000(2011)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:C08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:显气孔率;表观比重;体密度;松散材料密度;水合作用;耐火形状;真空压力;吸水率
【英文主题词】:apparentporosity;apparentspecificgravity;bulkdensity;hydration;refractoryshapes;vacuumpressure;waterabsorption
【摘要】:Apparentporosity,waterabsorption,apparentspecificgravity,andbulkdensityareprimarypropertiesofrefractoryshapes.Thesepropertiesarewidelyusedintheevaluationandcomparisonofproductqualityandaspartofthecriteriaforselectionanduseofrefractoryproductsinavarietyofindustrialapplications.Thesetestmethodsareusedfordetermininganyorallofthesepropertiesandareparticularlyusefulfortestinghydratableproducts.Thesetestmethodsareprimarystandardmethodsthataresuitableforuseinqualitycontrol,researchanddevelopment,establishingcriteriaforandevaluatingcompliancewithspecifications,andprovidingdatafordesignpurposes.Fundamentalassumptionsinherentinthesetestmethodsare:Thetestspecimensconformtotherequirementsforsize,configuration,andoriginalfaces,Theopenporesofthetestspecimensarefullyimpregnatedwithliquidduringthevacuum-pressuretreatment,andTheblottingofthesaturatedtestspecimensisperformedasspecifiedinaconsistentanduniformmannertoavoidwithdrawingliquidfromthepores.Deviationfromanyoftheseassumptionsadverselyaffectsthetestresults.Inlaboratorystudiesinvolvingcastablespecimen,abiaswasnotedbetweenformed2x00D7;2x00D7;2in.(50x00D7;50x00D7;50mm)andspecimensquarteredfromlarger9x00D7;4.5x00D7;2.5in.(228x00D7;114x00D7;64mm)castspecimens.Additionally,anerrorintheapparentporositydeterminationwasfoundoncastableswheneverthespecimenswereheatedto1500x00B0;F(816x00B0;C)andthenexposedtowaterasasaturationmedia.Theerrorwasattributedtoreactivityofcementwithwaterandsubsequentre-hydrationofcementphases.Thehigherthecementlevelofthecastable,thegreatertheerrornoted.Itwasconcludedthatanerrorinporosityvaluescouldoccurforrefractorymaterialshavingapotentialtoformhydratedspecieswithwater.Testingunderthesameconditionsinkeroseneproducedresultsthatwerebelievedtobemoreaccurate,butthedatasuggestedthatthekerosenemightnothavesaturatedtheopenporesofcastspecimenasreadilyaswater.Certainprecautionsmustbeexercisedininterpretingandusingresultsfromthesetestmethods.Allfourpropertyvaluesareinterrelatedbyatleasttwoofthethreebasedatavaluesgeneratedduringtesting.Thus,anerrorinanybasedatavaluewillcauseanerrorinatleastthreeofthepropertyvaluesforagiventestspecimen.Certainoftheproperties,thatis,apparentspecificgravityandbulkdensity,arefunctionsofotherfactorssuchasproductcomposition,compositionalvariabilitywithinthesameproduct,imperviousporosity,andtotalporosity.Generalizationsonorcomparisonsofpropertyvaluesshouldbejudiciouslymadebetweenlikeproductstestedbythesetestmethodsorwithfullrecognitionofpotentiallyinherentdifferencesbetweentheproductsbeingcomparedorthetestmethodused.Whenaliquidotherthanwaterisused,suchastypesofkeroseneormineralspirits,specificgravitymustbeknownbyeitherdeterminationormonitoringonacontrolledbasis.Specificgravitywillchangeduetodifferentgradesofliquids,evaporation,orcontaminationwithdirtorforeignmaterial.Thetestshouldnotberuniftheliquidbecomesdirty,foamy,orchangescolor,becauseforeignparticlescanblockporesandpreventimpregnationofthesample.1.1Thesetestmethodscoverthedeterminationofthefollowingpropert......
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Emergencysafetyshowers-Plumbed-inbodyshowersforlaboratories
【原文标准名称】:急救安全冲洗器.实验室用垂直身体冲洗器
【标准号】:BSEN15154-1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;文献工作;应急设备;紧急沐浴;设备安全;人体;检验;装置;安装说明;实验室装备;作标记;职业安全;水量;安全;安全装置;安全工程;安全要求;使用维修手册;冲洗器;规范(验收);供水;测试;体积;水;配水;工作场所安全
【英文主题词】:
【摘要】:Thisdocumentisaproductspecification,givingperformancerequirementsforemergencysafetybodyshowersconnectedtothewatersupply.Itisapplicabletoplumbed-inbodyshowersonly,locatedinlaboratoryfacilities.Itisnotapplicabletoemergencysafetyshowersusedonindustrialsitesorinothersuchareas.Requirementsaregiveninrespectoftheperformance,installation,adjustmentandmarkingoftheshowersaswellasinstallation,operationandmaintenanceinstructionstobegivenbythemanufacturer.
【中国标准分类号】:C36
【国际标准分类号】:11_160;71_040_10
【页数】:12P;A4
【正文语种】:英语