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EN 50291-1-2010 室内一氧化碳探测用电气设备.第1部分:试验方法和性能要求.德文版本EN50291-1-2010

作者:标准资料网 时间:2024-04-24 08:28:33  浏览:9700   来源:标准资料网
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【英文标准名称】:Electricalapparatusforthedetectionofcarbonmonoxideindomesticpremises-Part1:Testmethodsandperformancerequirements;GermanversionEN50291-1:2010
【原文标准名称】:室内一氧化碳探测用电气设备.第1部分:试验方法和性能要求.德文版本EN50291-1-2010
【标准号】:EN50291-1-2010
【标准状态】:现行
【国别】:
【发布日期】:2010-11
【实施或试行日期】:2010-11-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:蓄电池供电;一氧化碳;定义;探测器;检波器(回路);电气器具;电气设备;电驱动装置;可燃性环境;气体检测器;气体;住房建筑;电源设备;测量;测量仪器;测量技术;操作说明书;工作性能;安全性要求;试验方法;测试;蒸气
【英文主题词】:Batterieoperation;Carbonmonoxide;Definitions;Detectors;Detectors(circuits);Electricappliances;Electricalappliances;Electrically-operateddevices;Flammableatmospheres;Gasdetectors;Gases;Housing;Mainsunits;Measurement;Measuringinstruments;Measuringtechniques;Operationalinstructions;Performanceinservice;Safetyrequirements;Testmethods;Testing;Vapours
【摘要】:
【中国标准分类号】:N56
【国际标准分类号】:13_320
【页数】:27P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforAcidNumberofPetroleumProductsbySemi-MicroColorIndicatorTitration
【原文标准名称】:半微量颜色指示剂滴定法测定石油产品酸值的标准试验方法
【标准号】:ASTMD3339-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:acidnumber;petroleumproducts;semi-microcolorindicatortitration;Acidnumber--petroleumproducts;Fueloils;Gasturbinefueloils;Isopropylalcohol;Lubricants(fluid);Oxidationtesting--petroleumproducts;Semi-microcolorindicatortitration;T
【摘要】:ThistestmethodmeasurestheacidnumberofoilsobtainedfromlaboratoryoxidationtestsusingsmalleramountsofsamplethanTestMethodsD974orD664.IthasspecificapplicationinTestMethodD943inwhichsmallaliquotsofoilareperiodicallyremovedfortestingbyTestMethodD3339.Thistestmethod,therefore,providesameansofmonitoringtherelativeoxidationofoils,bymeasuringchangesinacidnumber,atdifferenttimeintervalsandunderthevariousoxidizingtestconditions.FIG.1SchematicDrawingofTypicalApparatus1.1Thistestmethodcoversthedeterminationofacidicconstituentsinneworusedpetroleumproductsandlubricantssolubleornearlysolubleinmixturesoftoluene,andisopropylalcohol.ThetestmethodisespeciallyintendedforcasesinwhichtheamountofsampleavailabletobeanalyzedistoosmalltoallowaccurateanalysisbyTestMethodsD974orD664.Itisapplicableforthedeterminationofacidshavingdissociationconstantsinwaterlargerthan10x2212;9.Extremelyweakacidshavingdissociationconstantssmallerthan10x2212;9donotinterfere.Saltstitrateiftheirhydrolysisconstantsarelargerthan10x2212;9.1.2Thistestmethodcanbeusedtoindicaterelativechangesinacidnumberthatoccurinanoilduringuseunderoxidizingconditions.Althoughthetitrationismadeunderdefiniteequilibriumconditions,themethoddoesnotmeasureanabsoluteacidicpropertythatcanbeusedtopredictperformanceofanoilunderserviceconditions.Nogeneralrelationshipbetweenbearingcorrosionandacidnumberisknown.1.3SincethistestmethodrequiressubstantiallylesssamplethanTestMethodsD974orD664,itprovidesanadvantageousmeansofmonitoringanoxidationtestbychangesinacidnumberby(1)minimizingtestsampledepletionforacidnumberanalysesandthusminimizingthedisturbanceofthetestor(2)allowingadditionalacidnumberanalysestobemadewhilemaintainingthesametestsampledepletionandthusprovidingadditionaldata.Note18212;Someoils,suchasmanycuttingoils,rust-proofingoils,andsimilarcompoundedoils,orexcessivelydark-coloredoils,maybemoredifficulttoanalyzebythistestmethodduetoobscurityofthecolor-indicatorendpoint.TheseoilscanbeanalyzedbyTestMethodD664providedsufficientsampleisavailable.However,thissituationismuchlesslikelyusingTestMethodD3339thanusingTestMethodD974duetotheuseofamorehighlydilutesampleduringthetitrationandduetothegreaterstabilityoftheendpointcolorchange.TheacidnumbersobtainedbyTestMethodD3339mayormaynotbenumericallythesameasthoseobtainedbyTestMethodD664buttheyshouldbeofthesameorderofmagnitude.Note28212;TheresultsobtainedusingthismethodhavebeenfoundtobenumericallythesameasthoseobtainedusingTestMethodD974,withintheprecisionofthetwomethods,forneworoxidizedlubricantsofthetypeprimarilyintendedforhydraulicorsteamturbinetypeservice.TheoxidizedlubricantswereobtainedusingtheTestMethodD943oxidationtest.Thiscorrelationisshownbythecorrelationcoefficientr【英文标准名称】:Offshorecontainersandassociatedliftingsets-Part3:Periodicinspection,examinationandtesting;EnglishversionEN12079-3:2006
【原文标准名称】:海岸集装箱及其相关提升设备.第3部分:定期检验、检查和试验
【标准号】:DINEN12079-3-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:货物;货物运转;容器;定义;设计;尺寸;英语;试验(质量保证);货运集装箱;货运分配;货运交通;货物运输;货物交通;起重吊索;冲击应力;检验;提升设备;提升负载;作标记;材料;无损检验;海上;合格试验;重复试验;安全标志;安全要求;船舶设备;标志;规范(验收);材料强度;监督(认可);液罐集装箱;试验报告;试验;运输箱;外观检查(试验)
【英文主题词】:Cargo;Cargooperations;Containers;Definition;Definitions;Design;Dimensions;Englishlanguage;Examination(qualityassurance);Freightcontainers;Freightdistribution;Freighttraffic;Freighttransport;Goodstraffic;Hoistingslings;Impactstress;Inspection;Liftingequipment;Liftingload;Marking;Materials;Non-destructivetesting;Offshore;Qualificationtests;Repeattests;Safetymarkings;Safetyrequirements;Ship'sequipment;Signs;Specification(approval);Strengthofmaterials;Surveillance(approval);Tankcontainers;Testreports;Testing;Transportboxes;Visualinspection(testing)
【摘要】:ThispartofEN12079containsrequirementsfortheperiodicinspection,examinationandtestingofoffshorecontainers.#,,#
【中国标准分类号】:A85;R46
【国际标准分类号】:53_020_30;55_180_10
【页数】:20P.;A4
【正文语种】:英语



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